René's URL Explorer Experiment


Title: 426 Upgrade Required - HTTP | MDN

Open Graph Title: 426 Upgrade Required - HTTP | MDN

Description: HTTP の 426 Upgrade Required はクライアントエラーレスポンスステータスコードで、サーバーが現在のプロトコルを使用してリクエストを実行することを拒否していることを示しますが、クライアントが別のプロトコルにアップグレードした後に発生する可能性があります。

Open Graph Description: HTTP の 426 Upgrade Required はクライアントエラーレスポンスステータスコードで、サーバーが現在のプロトコルを使用してリクエストを実行することを拒否していることを示しますが、クライアントが別のプロトコルにアップグレードした後に発生する可能性があります。

Opengraph URL: https://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Status/426

direct link

Domain: developer.mozilla.org

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og:imagehttps://developer.mozilla.org/mdn-social-image.46ac2375.png
og:image:typeimage/png
og:image:height1024
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og:image:altMDN ロゴ
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Links:

メインコンテンツへスキップhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Status/426#content
検索へスキップhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Status/426#search
MDN https://developer.mozilla.org/ja/
HTML: Markup languagehttps://developer.mozilla.org/ja/docs/Web/HTML
Elementshttps://developer.mozilla.org/ja/docs/Web/HTML/Reference/Elements
Global attributeshttps://developer.mozilla.org/ja/docs/Web/HTML/Reference/Global_attributes
Attributeshttps://developer.mozilla.org/ja/docs/Web/HTML/Reference/Attributes
See all…https://developer.mozilla.org/ja/docs/Web/HTML/Reference
Responsive imageshttps://developer.mozilla.org/ja/docs/Web/HTML/Guides/Responsive_images
HTML cheatsheethttps://developer.mozilla.org/ja/docs/Web/HTML/Guides/Cheatsheet
Date & time formatshttps://developer.mozilla.org/ja/docs/Web/HTML/Guides/Date_and_time_formats
See all…https://developer.mozilla.org/ja/docs/Web/HTML/Guides
SVGhttps://developer.mozilla.org/ja/docs/Web/SVG
MathMLhttps://developer.mozilla.org/ja/docs/Web/MathML
XMLhttps://developer.mozilla.org/ja/docs/Web/XML
CSS: Styling languagehttps://developer.mozilla.org/ja/docs/Web/CSS
Propertieshttps://developer.mozilla.org/ja/docs/Web/CSS/Reference/Properties
Selectorshttps://developer.mozilla.org/ja/docs/Web/CSS/Reference/Selectors
At-ruleshttps://developer.mozilla.org/ja/docs/Web/CSS/Reference/At-rules
Valueshttps://developer.mozilla.org/ja/docs/Web/CSS/Reference/Values
See all…https://developer.mozilla.org/ja/docs/Web/CSS/Reference
Box modelhttps://developer.mozilla.org/ja/docs/Web/CSS/Guides/Box_model/Introduction
Animationshttps://developer.mozilla.org/ja/docs/Web/CSS/Guides/Animations/Using
Flexboxhttps://developer.mozilla.org/ja/docs/Web/CSS/Guides/Flexible_box_layout/Basic_concepts
Colorshttps://developer.mozilla.org/ja/docs/Web/CSS/Guides/Colors/Applying_color
See all…https://developer.mozilla.org/ja/docs/Web/CSS/Guides
Column layoutshttps://developer.mozilla.org/ja/docs/Web/CSS/How_to/Layout_cookbook/Column_layouts
Centering an elementhttps://developer.mozilla.org/ja/docs/Web/CSS/How_to/Layout_cookbook/Center_an_element
Card componenthttps://developer.mozilla.org/ja/docs/Web/CSS/How_to/Layout_cookbook/Card
See all…https://developer.mozilla.org/ja/docs/Web/CSS/How_to/Layout_cookbook
JavaScript: Scripting languagehttps://developer.mozilla.org/ja/docs/Web/JavaScript
Standard built-in objectshttps://developer.mozilla.org/ja/docs/Web/JavaScript/Reference/Global_Objects
Expressions & operatorshttps://developer.mozilla.org/ja/docs/Web/JavaScript/Reference/Operators
Statements & declarationshttps://developer.mozilla.org/ja/docs/Web/JavaScript/Reference/Statements
Functionshttps://developer.mozilla.org/ja/docs/Web/JavaScript/Reference/Functions
See all…https://developer.mozilla.org/ja/docs/Web/JavaScript/Reference
Control flow & error handinghttps://developer.mozilla.org/ja/docs/Web/JavaScript/Guide/Control_flow_and_error_handling
Loops and iterationhttps://developer.mozilla.org/ja/docs/Web/JavaScript/Guide/Loops_and_iteration
Working with objectshttps://developer.mozilla.org/ja/docs/Web/JavaScript/Guide/Working_with_objects
Using classeshttps://developer.mozilla.org/ja/docs/Web/JavaScript/Guide/Using_classes
See all…https://developer.mozilla.org/ja/docs/Web/JavaScript/Guide
Web APIs: Programming interfaceshttps://developer.mozilla.org/ja/docs/Web/API
File system APIhttps://developer.mozilla.org/ja/docs/Web/API/File_System_API
Fetch APIhttps://developer.mozilla.org/ja/docs/Web/API/Fetch_API
Geolocation APIhttps://developer.mozilla.org/ja/docs/Web/API/Geolocation_API
HTML DOM APIhttps://developer.mozilla.org/ja/docs/Web/API/HTML_DOM_API
Push APIhttps://developer.mozilla.org/ja/docs/Web/API/Push_API
Service worker APIhttps://developer.mozilla.org/ja/docs/Web/API/Service_Worker_API
See all…https://developer.mozilla.org/ja/docs/Web/API
Using the Web animation APIhttps://developer.mozilla.org/ja/docs/Web/API/Web_Animations_API/Using_the_Web_Animations_API
Using the Fetch APIhttps://developer.mozilla.org/ja/docs/Web/API/Fetch_API/Using_Fetch
Working with the History APIhttps://developer.mozilla.org/ja/docs/Web/API/History_API/Working_with_the_History_API
Using the Web speech APIhttps://developer.mozilla.org/ja/docs/Web/API/Web_Speech_API/Using_the_Web_Speech_API
Using web workershttps://developer.mozilla.org/ja/docs/Web/API/Web_Workers_API/Using_web_workers
All web technologyhttps://developer.mozilla.org/ja/docs/Web
Accessibilityhttps://developer.mozilla.org/ja/docs/Web/Accessibility
HTTPhttps://developer.mozilla.org/ja/docs/Web/HTTP
URIhttps://developer.mozilla.org/ja/docs/Web/URI
Web extensionshttps://developer.mozilla.org/ja/docs/Mozilla/Add-ons/WebExtensions
WebAssemblyhttps://developer.mozilla.org/ja/docs/WebAssembly
WebDriverhttps://developer.mozilla.org/ja/docs/Web/WebDriver
See all…https://developer.mozilla.org/ja/docs/Web
Mediahttps://developer.mozilla.org/ja/docs/Web/Media
Performancehttps://developer.mozilla.org/ja/docs/Web/Performance
Privacyhttps://developer.mozilla.org/ja/docs/Web/Privacy
Securityhttps://developer.mozilla.org/ja/docs/Web/Security
Progressive web appshttps://developer.mozilla.org/ja/docs/Web/Progressive_web_apps
Learn web developmenthttps://developer.mozilla.org/ja/docs/Learn_web_development
Getting started moduleshttps://developer.mozilla.org/ja/docs/Learn_web_development/Getting_started
Core moduleshttps://developer.mozilla.org/ja/docs/Learn_web_development/Core
MDN Curriculumhttps://developer.mozilla.org/en-US/curriculum/
Check out the video course from Scrimba, our partnerhttps://scrimba.com/frontend-path-c0j?via=mdn-learn-navbar
Structuring content with HTML modulehttps://developer.mozilla.org/ja/docs/Learn_web_development/Core/Structuring_content
CSS styling basics modulehttps://developer.mozilla.org/ja/docs/Learn_web_development/Core/Styling_basics
CSS layout modulehttps://developer.mozilla.org/ja/docs/Learn_web_development/Core/CSS_layout
Dynamic scripting with JavaScript modulehttps://developer.mozilla.org/ja/docs/Learn_web_development/Core/Scripting
Playgroundhttps://developer.mozilla.org/en-US/play
HTTP Observatoryhttps://developer.mozilla.org/en-US/observatory
Border-image generatorhttps://developer.mozilla.org/ja/docs/Web/CSS/Guides/Backgrounds_and_borders/Border-image_generator
Border-radius generatorhttps://developer.mozilla.org/ja/docs/Web/CSS/Guides/Backgrounds_and_borders/Border-radius_generator
Box-shadow generatorhttps://developer.mozilla.org/ja/docs/Web/CSS/Guides/Backgrounds_and_borders/Box-shadow_generator
Color format converterhttps://developer.mozilla.org/ja/docs/Web/CSS/Guides/Colors/Color_format_converter
Color mixerhttps://developer.mozilla.org/ja/docs/Web/CSS/Guides/Colors/Color_mixer
Shape generatorhttps://developer.mozilla.org/ja/docs/Web/CSS/Guides/Shapes/Shape_generator
About MDNhttps://developer.mozilla.org/en-US/about
Advertise with ushttps://developer.mozilla.org/en-US/advertising
Communityhttps://developer.mozilla.org/en-US/community
MDN on GitHubhttps://github.com/mdn
Bloghttps://developer.mozilla.org/en-US/blog/
開発者向けのウェブ技術https://developer.mozilla.org/ja/docs/Web
HTTPhttps://developer.mozilla.org/ja/docs/Web/HTTP
リファレンスhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference
HTTP レスポンスステータスコードhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Status
426 Upgrade Requiredhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Status/426
https://github.com/orgs/mdn/discussions/739
https://developer.mozilla.org/de/docs/Web/HTTP/Reference/Status/426
https://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Status/426
https://developer.mozilla.org/fr/docs/Web/HTTP/Reference/Status/426
https://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Status/426
https://developer.mozilla.org/ko/docs/Web/HTTP/Reference/Status/426
https://developer.mozilla.org/pt-BR/docs/Web/HTTP/Reference/Status/426
https://developer.mozilla.org/ru/docs/Web/HTTP/Reference/Status/426
https://developer.mozilla.org/zh-CN/docs/Web/HTTP/Reference/Status/426
https://developer.mozilla.org/zh-TW/docs/Web/HTTP/Reference/Status/426
コミュニティーについてもっと知り、仲間になるにはこちらから。https://developer.mozilla.org/ja/docs/MDN/Community/Contributing/Translated_content#アクティブなロケール
https://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Status/426
クライアントエラーレスポンスhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Status#クライアントエラーレスポンス
Upgradehttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Upgrade
ステータスhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Status/426#ステータス
例https://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Status/426#例
仕様書https://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Status/426#仕様書
関連情報https://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Status/426#関連情報
ステータスhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Status/426#ステータス
例https://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Status/426#例
HTTP/1.1 からのアップグレードが必要https://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Status/426#http1.1_からのアップグレードが必要
HTTP/3https://developer.mozilla.org/ja/docs/Glossary/HTTP_3
仕様書https://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Status/426#仕様書
HTTP Semantics# status.426https://httpwg.org/specs/rfc9110.html#status.426
関連情報https://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Status/426#関連情報
HTTP レスポンスステータスコードhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Status
Upgradehttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Upgrade
101 Switching Protocolshttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Status/101
協力方法を知るhttps://developer.mozilla.org/ja/docs/MDN/Community/Getting_started
MDN の貢献者https://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Status/426/contributors.txt
GitHub でこのページを表示https://github.com/mdn/translated-content/blob/main/files/ja/web/http/reference/status/426/index.md?plain=1
このコンテンツに関する問題を報告https://github.com/mdn/translated-content/issues/new?template=page-report-ja.yml&mdn-url=https%3A%2F%2Fdeveloper.mozilla.org%2Fja%2Fdocs%2FWeb%2FHTTP%2FReference%2FStatus%2F426&metadata=%3C%21--+Do+not+make+changes+below+this+line+--%3E%0A%3Cdetails%3E%0A%3Csummary%3EPage+report+details%3C%2Fsummary%3E%0A%0A*+Folder%3A+%60ja%2Fweb%2Fhttp%2Freference%2Fstatus%2F426%60%0A*+MDN+URL%3A+https%3A%2F%2Fdeveloper.mozilla.org%2Fja%2Fdocs%2FWeb%2FHTTP%2FReference%2FStatus%2F426%0A*+GitHub+URL%3A+https%3A%2F%2Fgithub.com%2Fmdn%2Ftranslated-content%2Fblob%2Fmain%2Ffiles%2Fja%2Fweb%2Fhttp%2Freference%2Fstatus%2F426%2Findex.md%0A*+Last+commit%3A+https%3A%2F%2Fgithub.com%2Fmdn%2Ftranslated-content%2Fcommit%2Fb349bcceb4edd57d144fac0c4117a3e59bcd3d6f%0A*+Document+last+modified%3A+2025-07-07T09%3A37%3A06.000Z%0A%0A%3C%2Fdetails%3E
HTTPhttps://developer.mozilla.org/ja/docs/Web/HTTP
ガイドhttps://developer.mozilla.org/ja/docs/Web/HTTP/Guides
HTTP の概要https://developer.mozilla.org/ja/docs/Web/HTTP/Guides/Overview
HTTP の進化https://developer.mozilla.org/ja/docs/Web/HTTP/Guides/Evolution_of_HTTP
典型的な HTTP セッションhttps://developer.mozilla.org/ja/docs/Web/HTTP/Guides/Session
HTTP メッセージhttps://developer.mozilla.org/ja/docs/Web/HTTP/Guides/Messages
メディア種別https://developer.mozilla.org/ja/docs/Web/HTTP/Guides/MIME_types
一般的な種別https://developer.mozilla.org/ja/docs/Web/HTTP/Guides/MIME_types/Common_types
HTTP の圧縮https://developer.mozilla.org/ja/docs/Web/HTTP/Guides/Compression
HTTP キャッシュhttps://developer.mozilla.org/ja/docs/Web/HTTP/Guides/Caching
HTTP 認証https://developer.mozilla.org/ja/docs/Web/HTTP/Guides/Authentication
HTTP Cookie の使用https://developer.mozilla.org/ja/docs/Web/HTTP/Guides/Cookies
HTTP のリダイレクトhttps://developer.mozilla.org/ja/docs/Web/HTTP/Guides/Redirections
条件付きリクエストhttps://developer.mozilla.org/ja/docs/Web/HTTP/Guides/Conditional_requests
範囲付きリクエストhttps://developer.mozilla.org/ja/docs/Web/HTTP/Guides/Range_requests
クライアントヒントhttps://developer.mozilla.org/ja/docs/Web/HTTP/Guides/Client_hints
User-Agent の削減https://developer.mozilla.org/ja/docs/Web/HTTP/Guides/User-agent_reduction
圧縮辞書転送https://developer.mozilla.org/ja/docs/Web/HTTP/Guides/Compression_dictionary_transport
ネットワークエラーログ記録https://developer.mozilla.org/ja/docs/Web/HTTP/Guides/Network_Error_Logging
コンテンツネゴシエーションhttps://developer.mozilla.org/ja/docs/Web/HTTP/Guides/Content_negotiation
既定の Accept 値https://developer.mozilla.org/ja/docs/Web/HTTP/Guides/Content_negotiation/List_of_default_Accept_values
UA 文字列によるブラウザーの判定https://developer.mozilla.org/ja/docs/Web/HTTP/Guides/Browser_detection_using_the_user_agent
HTTP/1.x のコネクション管理https://developer.mozilla.org/ja/docs/Web/HTTP/Guides/Connection_management_in_HTTP_1.x
プロトコルのアップグレードの仕組みhttps://developer.mozilla.org/ja/docs/Web/HTTP/Guides/Protocol_upgrade_mechanism
プロキシーサーバーとトンネリングhttps://developer.mozilla.org/ja/docs/Web/HTTP/Guides/Proxy_servers_and_tunneling
プロキシー自動構成ファイル (PAC)https://developer.mozilla.org/ja/docs/Web/HTTP/Guides/Proxy_servers_and_tunneling/Proxy_Auto-Configuration_PAC_file
HTTP Observatoryhttps://developer.mozilla.org/en-US/observatory
実践的な実装ガイドhttps://developer.mozilla.org/ja/docs/Web/Security/Practical_implementation_guides
権限ポリシーhttps://developer.mozilla.org/ja/docs/Web/HTTP/Guides/Permissions_Policy
オリジン間リソースポリシー (CORP)https://developer.mozilla.org/ja/docs/Web/HTTP/Guides/Cross-Origin_Resource_Policy
無信頼の iframehttps://developer.mozilla.org/ja/docs/Web/HTTP/Guides/IFrame_credentialless
Fetch metadatahttps://developer.mozilla.org/en-US/docs/Web/HTTP/Guides/Fetch_metadata
オリジン間リソース共有 (CORS)https://developer.mozilla.org/ja/docs/Web/HTTP/Guides/CORS
CORS エラーhttps://developer.mozilla.org/ja/docs/Web/HTTP/Guides/CORS/Errors
Reason: CORS disabledhttps://developer.mozilla.org/ja/docs/Web/HTTP/Guides/CORS/Errors/CORSDisabled
Reason: CORS header 'Access-Control-Allow-Origin' does not match 'xyz'https://developer.mozilla.org/ja/docs/Web/HTTP/Guides/CORS/Errors/CORSAllowOriginNotMatchingOrigin
Reason: CORS header 'Access-Control-Allow-Origin' missinghttps://developer.mozilla.org/ja/docs/Web/HTTP/Guides/CORS/Errors/CORSMissingAllowOrigin
Reason: CORS header 'Origin' cannot be addedhttps://developer.mozilla.org/ja/docs/Web/HTTP/Guides/CORS/Errors/CORSOriginHeaderNotAdded
Reason: CORS preflight channel did not succeedhttps://developer.mozilla.org/ja/docs/Web/HTTP/Guides/CORS/Errors/CORSPreflightDidNotSucceed
Reason: CORS request did not succeedhttps://developer.mozilla.org/ja/docs/Web/HTTP/Guides/CORS/Errors/CORSDidNotSucceed
Reason: CORS request external redirect not allowedhttps://developer.mozilla.org/ja/docs/Web/HTTP/Guides/CORS/Errors/CORSExternalRedirectNotAllowed
Reason: CORS request not HTTPhttps://developer.mozilla.org/ja/docs/Web/HTTP/Guides/CORS/Errors/CORSRequestNotHttp
Reason: Credential is not supported if the CORS header 'Access-Control-Allow-Origin' is '*'https://developer.mozilla.org/ja/docs/Web/HTTP/Guides/CORS/Errors/CORSNotSupportingCredentials
Reason: Did not find method in CORS header 'Access-Control-Allow-Methods'https://developer.mozilla.org/ja/docs/Web/HTTP/Guides/CORS/Errors/CORSMethodNotFound
Reason: expected 'true' in CORS header 'Access-Control-Allow-Credentials'https://developer.mozilla.org/ja/docs/Web/HTTP/Guides/CORS/Errors/CORSMIssingAllowCredentials
Reason: invalid token 'xyz' in CORS header 'Access-Control-Allow-Headers'https://developer.mozilla.org/ja/docs/Web/HTTP/Guides/CORS/Errors/CORSInvalidAllowHeader
Reason: invalid token 'xyz' in CORS header 'Access-Control-Allow-Methods'https://developer.mozilla.org/ja/docs/Web/HTTP/Guides/CORS/Errors/CORSInvalidAllowMethod
Reason: missing token ‘xyz’ in CORS header ‘Access-Control-Allow-Headers’ from CORS preflight channelhttps://developer.mozilla.org/ja/docs/Web/HTTP/Guides/CORS/Errors/CORSMissingAllowHeaderFromPreflight
Reason: Multiple CORS header 'Access-Control-Allow-Origin' not allowedhttps://developer.mozilla.org/ja/docs/Web/HTTP/Guides/CORS/Errors/CORSMultipleAllowOriginNotAllowed
コンテンツセキュリティポリシー (CSP)https://developer.mozilla.org/ja/docs/Web/HTTP/Guides/CSP
CSP のエラーと警告 (Content Security Policy)https://developer.mozilla.org/ja/docs/Web/HTTP/Guides/CSP/Errors
リファレンスhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference
HTTP ヘッダーhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers
Accepthttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Accept
Accept-CHhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Accept-CH
Accept-Encodinghttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Accept-Encoding
Accept-Languagehttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Accept-Language
Accept-Patchhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Accept-Patch
Accept-Posthttps://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Accept-Post
Accept-Rangeshttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Accept-Ranges
Access-Control-Allow-Credentialshttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Access-Control-Allow-Credentials
Access-Control-Allow-Headershttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Access-Control-Allow-Headers
Access-Control-Allow-Methodshttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Access-Control-Allow-Methods
Access-Control-Allow-Originhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Access-Control-Allow-Origin
Access-Control-Expose-Headershttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Access-Control-Expose-Headers
Access-Control-Max-Agehttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Access-Control-Max-Age
Access-Control-Request-Headershttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Access-Control-Request-Headers
Access-Control-Request-Methodhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Access-Control-Request-Method
Activate-Storage-Accesshttps://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Activate-Storage-Access
Agehttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Age
Allowhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Allow
Alt-Svchttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Alt-Svc
Alt-Usedhttps://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Alt-Used
Attribution-Reporting-Eligiblehttps://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Attribution-Reporting-Eligible
Attribution-Reporting-Register-Sourcehttps://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Attribution-Reporting-Register-Source
Attribution-Reporting-Register-Triggerhttps://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Attribution-Reporting-Register-Trigger
Authorizationhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Authorization
Available-Dictionaryhttps://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Available-Dictionary
Cache-Controlhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Cache-Control
Clear-Site-Datahttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Clear-Site-Data
Connectionhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Connection
Content-Digesthttps://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Content-Digest
Content-Dispositionhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Content-Disposition
Content-DPRhttps://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Content-DPR
Content-Encodinghttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Content-Encoding
Content-Languagehttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Content-Language
Content-Lengthhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Content-Length
Content-Locationhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Content-Location
Content-Rangehttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Content-Range
Content-Security-Policyhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Content-Security-Policy
Content-Security-Policy-Report-Onlyhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Content-Security-Policy-Report-Only
Content-Typehttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Content-Type
Cookiehttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Cookie
Critical-CHhttps://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Critical-CH
Cross-Origin-Embedder-Policyhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Cross-Origin-Embedder-Policy
Cross-Origin-Embedder-Policy-Report-Onlyhttps://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Cross-Origin-Embedder-Policy-Report-Only
Cross-Origin-Opener-Policyhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Cross-Origin-Opener-Policy
Cross-Origin-Resource-Policyhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Cross-Origin-Resource-Policy
Datehttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Date
Device-Memoryhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Device-Memory
Dictionary-IDhttps://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Dictionary-ID
DNThttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/DNT
Downlinkhttps://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Downlink
DPRhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/DPR
Early-Datahttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Early-Data
ECThttps://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/ECT
ETaghttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/ETag
Expecthttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Expect
Expect-CThttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Expect-CT
Expireshttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Expires
Forwardedhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Forwarded
Fromhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/From
Hosthttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Host
Idempotency-Keyhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Idempotency-Key
If-Matchhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/If-Match
If-Modified-Sincehttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/If-Modified-Since
If-None-Matchhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/If-None-Match
If-Rangehttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/If-Range
If-Unmodified-Sincehttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/If-Unmodified-Since
Integrity-Policyhttps://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Integrity-Policy
Integrity-Policy-Report-Onlyhttps://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Integrity-Policy-Report-Only
Keep-Alivehttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Keep-Alive
Last-Modifiedhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Last-Modified
Linkhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Link
Locationhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Location
Max-Forwardshttps://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Max-Forwards
NELhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/NEL
No-Vary-Searchhttps://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/No-Vary-Search
Observe-Browsing-Topicshttps://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Observe-Browsing-Topics
Originhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Origin
Origin-Agent-Clusterhttps://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Origin-Agent-Cluster
Permissions-Policyhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Permissions-Policy
Permissions-Policy-Report-Onlyhttps://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Permissions-Policy-Report-Only
Pragmahttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Pragma
Preferhttps://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Prefer
Preference-Appliedhttps://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Preference-Applied
Priorityhttps://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Priority
Proxy-Authenticatehttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Proxy-Authenticate
Proxy-Authorizationhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Proxy-Authorization
Rangehttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Range
Refererhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Referer
Referrer-Policyhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Referrer-Policy
Refreshhttps://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Refresh
Report-Tohttps://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Report-To
Reporting-Endpointshttps://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Reporting-Endpoints
Repr-Digesthttps://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Repr-Digest
Retry-Afterhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Retry-After
RTThttps://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/RTT
Save-Datahttps://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Save-Data
Sec-Browsing-Topicshttps://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Sec-Browsing-Topics
Sec-CH-Device-Memoryhttps://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Sec-CH-Device-Memory
Sec-CH-DPRhttps://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Sec-CH-DPR
Sec-CH-Prefers-Color-Schemehttps://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Sec-CH-Prefers-Color-Scheme
Sec-CH-Prefers-Reduced-Motionhttps://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Sec-CH-Prefers-Reduced-Motion
Sec-CH-Prefers-Reduced-Transparencyhttps://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Sec-CH-Prefers-Reduced-Transparency
Sec-CH-UAhttps://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Sec-CH-UA
Sec-CH-UA-Archhttps://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Sec-CH-UA-Arch
Sec-CH-UA-Bitnesshttps://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Sec-CH-UA-Bitness
Sec-CH-UA-Form-Factorshttps://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Sec-CH-UA-Form-Factors
Sec-CH-UA-Full-Versionhttps://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Sec-CH-UA-Full-Version
Sec-CH-UA-Full-Version-Listhttps://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Sec-CH-UA-Full-Version-List
Sec-CH-UA-Mobilehttps://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Sec-CH-UA-Mobile
Sec-CH-UA-Modelhttps://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Sec-CH-UA-Model
Sec-CH-UA-Platformhttps://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Sec-CH-UA-Platform
Sec-CH-UA-Platform-Versionhttps://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Sec-CH-UA-Platform-Version
Sec-CH-UA-WoW64https://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Sec-CH-UA-WoW64
Sec-CH-Viewport-Heighthttps://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Sec-CH-Viewport-Height
Sec-CH-Viewport-Widthhttps://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Sec-CH-Viewport-Width
Sec-CH-Widthhttps://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Sec-CH-Width
Sec-Fetch-Desthttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Sec-Fetch-Dest
Sec-Fetch-Modehttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Sec-Fetch-Mode
Sec-Fetch-Sitehttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Sec-Fetch-Site
Sec-Fetch-Storage-Accesshttps://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Sec-Fetch-Storage-Access
Sec-Fetch-Userhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Sec-Fetch-User
Sec-GPChttps://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Sec-GPC
Sec-Private-State-Tokenhttps://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Sec-Private-State-Token
Sec-Private-State-Token-Crypto-Versionhttps://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Sec-Private-State-Token-Crypto-Version
Sec-Private-State-Token-Lifetimehttps://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Sec-Private-State-Token-Lifetime
Sec-Purposehttps://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Sec-Purpose
Sec-Redemption-Recordhttps://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Sec-Redemption-Record
Sec-Speculation-Tagshttps://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Sec-Speculation-Tags
Sec-WebSocket-Accepthttps://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Sec-WebSocket-Accept
Sec-WebSocket-Extensionshttps://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Sec-WebSocket-Extensions
Sec-WebSocket-Keyhttps://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Sec-WebSocket-Key
Sec-WebSocket-Protocolhttps://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Sec-WebSocket-Protocol
Sec-WebSocket-Versionhttps://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Sec-WebSocket-Version
Serverhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Server
Server-Timinghttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Server-Timing
Service-Workerhttps://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Service-Worker
Service-Worker-Allowedhttps://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Service-Worker-Allowed
Service-Worker-Navigation-Preloadhttps://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Service-Worker-Navigation-Preload
Set-Cookiehttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Set-Cookie
Set-Loginhttps://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Set-Login
SourceMaphttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/SourceMap
Speculation-Ruleshttps://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Speculation-Rules
Strict-Transport-Securityhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Strict-Transport-Security
Supports-Loading-Modehttps://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Supports-Loading-Mode
TEhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/TE
Timing-Allow-Originhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Timing-Allow-Origin
Tkhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Tk
Trailerhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Trailer
Transfer-Encodinghttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Transfer-Encoding
Upgradehttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Upgrade
Upgrade-Insecure-Requestshttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Upgrade-Insecure-Requests
Use-As-Dictionaryhttps://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Use-As-Dictionary
User-Agenthttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/User-Agent
Varyhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Vary
Viahttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Via
Viewport-Widthhttps://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Viewport-Width
Want-Content-Digesthttps://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Want-Content-Digest
Want-Repr-Digesthttps://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Want-Repr-Digest
Warninghttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Warning
Widthhttps://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Width
WWW-Authenticatehttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/WWW-Authenticate
X-Content-Type-Optionshttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/X-Content-Type-Options
X-DNS-Prefetch-Controlhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/X-DNS-Prefetch-Control
X-Forwarded-Forhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/X-Forwarded-For
X-Forwarded-Hosthttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/X-Forwarded-Host
X-Forwarded-Protohttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/X-Forwarded-Proto
X-Frame-Optionshttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/X-Frame-Options
X-Permitted-Cross-Domain-Policieshttps://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/X-Permitted-Cross-Domain-Policies
X-Powered-Byhttps://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/X-Powered-By
X-Robots-Taghttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/X-Robots-Tag
X-XSS-Protectionhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/X-XSS-Protection
HTTP リクエストメソッドhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Methods
CONNECThttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Methods/CONNECT
DELETEhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Methods/DELETE
GEThttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Methods/GET
HEADhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Methods/HEAD
OPTIONShttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Methods/OPTIONS
PATCHhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Methods/PATCH
POSThttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Methods/POST
PUThttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Methods/PUT
TRACEhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Methods/TRACE
HTTP レスポンスステータスコードhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Status
100 Continuehttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Status/100
101 Switching Protocolshttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Status/101
102 Processinghttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Status/102
103 Early Hintshttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Status/103
200 OKhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Status/200
201 Createdhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Status/201
202 Acceptedhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Status/202
203 Non-Authoritative Informationhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Status/203
204 No Contenthttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Status/204
205 Reset Contenthttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Status/205
206 Partial Contenthttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Status/206
207 Multi-Statushttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Status/207
208 Already Reportedhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Status/208
226 IM Usedhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Status/226
300 Multiple Choiceshttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Status/300
301 Moved Permanentlyhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Status/301
302 Foundhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Status/302
303 See Otherhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Status/303
304 Not Modifiedhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Status/304
307 Temporary Redirecthttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Status/307
308 Permanent Redirecthttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Status/308
400 Bad Requesthttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Status/400
401 Unauthorizedhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Status/401
402 Payment Requiredhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Status/402
403 Forbiddenhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Status/403
404 Not Foundhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Status/404
405 Method Not Allowedhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Status/405
406 Not Acceptablehttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Status/406
407 Proxy Authentication Requiredhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Status/407
408 Request Timeouthttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Status/408
409 Conflicthttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Status/409
410 Gonehttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Status/410
411 Length Requiredhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Status/411
412 Precondition Failedhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Status/412
413 Content Too Largehttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Status/413
414 URI Too Longhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Status/414
415 Unsupported Media Typehttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Status/415
416 Range Not Satisfiablehttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Status/416
417 Expectation Failedhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Status/417
418 I'm a teapothttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Status/418
421 Misdirected Requesthttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Status/421
422 Unprocessable Contenthttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Status/422
423 Lockedhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Status/423
424 Failed Dependencyhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Status/424
425 Too Earlyhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Status/425
426 Upgrade Requiredhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Status/426
428 Precondition Requiredhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Status/428
429 Too Many Requestshttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Status/429
431 Request Header Fields Too Largehttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Status/431
451 Unavailable For Legal Reasonshttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Status/451
500 Internal Server Errorhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Status/500
501 Not Implementedhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Status/501
502 Bad Gatewayhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Status/502
503 Service Unavailablehttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Status/503
504 Gateway Timeouthttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Status/504
505 HTTP Version Not Supportedhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Status/505
506 Variant Also Negotiateshttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Status/506
507 Insufficient Storagehttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Status/507
508 Loop Detectedhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Status/508
510 Not Extendedhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Status/510
511 Network Authentication Requiredhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Status/511
CSP ディレクティブhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Content-Security-Policy#directives
CSP: base-urihttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Content-Security-Policy/base-uri
CSP: block-all-mixed-contenthttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Content-Security-Policy/block-all-mixed-content
CSP: child-srchttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Content-Security-Policy/child-src
connect-srchttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Content-Security-Policy/connect-src
CSP: default-srchttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Content-Security-Policy/default-src
CSP: fenced-frame-srchttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Content-Security-Policy/fenced-frame-src
CSP: font-srchttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Content-Security-Policy/font-src
CSP: form-actionhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Content-Security-Policy/form-action
frame-ancestorshttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Content-Security-Policy/frame-ancestors
CSP: frame-srchttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Content-Security-Policy/frame-src
CSP: img-srchttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Content-Security-Policy/img-src
CSP: manifest-srchttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Content-Security-Policy/manifest-src
CSP: media-srchttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Content-Security-Policy/media-src
CSP: object-srchttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Content-Security-Policy/object-src
CSP: prefetch-srchttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Content-Security-Policy/prefetch-src
CSP: report-tohttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Content-Security-Policy/report-to
CSP: report-urihttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Content-Security-Policy/report-uri
CSP: require-trusted-types-forhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Content-Security-Policy/require-trusted-types-for
CSP: sandboxhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Content-Security-Policy/sandbox
CSP: script-srchttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Content-Security-Policy/script-src
CSP: script-src-attrhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Content-Security-Policy/script-src-attr
CSP: script-src-elemhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Content-Security-Policy/script-src-elem
CSP: style-srchttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Content-Security-Policy/style-src
CSP: style-src-attrhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Content-Security-Policy/style-src-attr
CSP: style-src-elemhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Content-Security-Policy/style-src-elem
CSP: trusted-typeshttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Content-Security-Policy/trusted-types
CSP: upgrade-insecure-requestshttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Content-Security-Policy/upgrade-insecure-requests
CSP: worker-srchttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Content-Security-Policy/worker-src
機能ポリシーディレクティブhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Permissions-Policy#directives
Permissions-Policy: accelerometerhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Permissions-Policy/accelerometer
Permissions-Policy: ambient-light-sensorhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Permissions-Policy/ambient-light-sensor
aria-notifyhttps://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Permissions-Policy/aria-notify
Permissions-Policy: attribution-reportinghttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Permissions-Policy/attribution-reporting
Permissions-Policy: autoplayhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Permissions-Policy/autoplay
Permissions-Policy: bluetoothhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Permissions-Policy/bluetooth
Permissions-Policy: browsing-topicshttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Permissions-Policy/browsing-topics
Permissions-Policy: camerahttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Permissions-Policy/camera
captured-surface-controlhttps://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Permissions-Policy/captured-surface-control
ch-ua-high-entropy-valueshttps://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Permissions-Policy/ch-ua-high-entropy-values
Permissions-Policy: compute-pressurehttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Permissions-Policy/compute-pressure
Permissions-Policy: cross-origin-isolatedhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Permissions-Policy/cross-origin-isolated
Permissions-Policy: deferred-fetchhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Permissions-Policy/deferred-fetch
Permissions-Policy: deferred-fetch-minimalhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Permissions-Policy/deferred-fetch-minimal
Permissions-Policy: display-capturehttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Permissions-Policy/display-capture
Permissions-Policy: encrypted-mediahttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Permissions-Policy/encrypted-media
Permissions-Policy: fullscreenhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Permissions-Policy/fullscreen
Permissions-Policy: gamepadhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Permissions-Policy/gamepad
Permissions-Policy: geolocationhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Permissions-Policy/geolocation
Permissions-Policy: gyroscopehttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Permissions-Policy/gyroscope
Permissions-Policy: hidhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Permissions-Policy/hid
Permissions-Policy: identity-credentials-gethttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Permissions-Policy/identity-credentials-get
Permissions-Policy: idle-detectionhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Permissions-Policy/idle-detection
language-detectorhttps://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Permissions-Policy/language-detector
Permissions-Policy: local-fontshttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Permissions-Policy/local-fonts
local-networkhttps://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Permissions-Policy/local-network
local-network-accesshttps://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Permissions-Policy/local-network-access
loopback-networkhttps://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Permissions-Policy/loopback-network
Permissions-Policy: magnetometerhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Permissions-Policy/magnetometer
Permissions-Policy: microphonehttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Permissions-Policy/microphone
Permissions-Policy: midihttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Permissions-Policy/midi
on-device-speech-recognitionhttps://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Permissions-Policy/on-device-speech-recognition
Permissions-Policy: otp-credentialshttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Permissions-Policy/otp-credentials
Permissions-Policy: paymenthttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Permissions-Policy/payment
Permissions-Policy: picture-in-picturehttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Permissions-Policy/picture-in-picture
private-state-token-issuancehttps://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Permissions-Policy/private-state-token-issuance
private-state-token-redemptionhttps://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Permissions-Policy/private-state-token-redemption
Permissions-Policy: publickey-credentials-createhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Permissions-Policy/publickey-credentials-create
Permissions-Policy: publickey-credentials-gethttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Permissions-Policy/publickey-credentials-get
Permissions-Policy: screen-wake-lockhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Permissions-Policy/screen-wake-lock
Permissions-Policy: serialhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Permissions-Policy/serial
Permissions-Policy: speaker-selectionhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Permissions-Policy/speaker-selection
Permissions-Policy: storage-accesshttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Permissions-Policy/storage-access
summarizerhttps://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Permissions-Policy/summarizer
translatorhttps://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Permissions-Policy/translator
Permissions-Policy: usbhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Permissions-Policy/usb
Permissions-Policy: web-sharehttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Permissions-Policy/web-share
Permissions-Policy: window-managementhttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Permissions-Policy/window-management
Permissions-Policy: xr-spatial-trackinghttps://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Headers/Permissions-Policy/xr-spatial-tracking
HTTP のリソースと仕様書https://developer.mozilla.org/ja/docs/Web/HTTP/Reference/Resources_and_specifications
MDNhttps://developer.mozilla.org/
https://github.com/mdn/
https://bsky.app/profile/developer.mozilla.org
https://x.com/mozdevnet
https://mastodon.social/@mdn
https://developer.mozilla.org/en-US/blog/rss.xml
MDN について https://developer.mozilla.org/en-US/about
ブログ https://developer.mozilla.org/en-US/blog/
Mozilla 求人 https://www.mozilla.org/en-US/careers/listings/
広告掲載について https://developer.mozilla.org/en-US/advertising
MDN Plus https://developer.mozilla.org/en-US/plus
Product help https://support.mozilla.org/products/mdn-plus
MDN コミュニティ https://developer.mozilla.org/en-US/community
コミュニティリソース https://developer.mozilla.org/en-US/docs/MDN/Community
執筆ガイドライン https://developer.mozilla.org/en-US/docs/MDN/Writing_guidelines
MDN Discord https://developer.mozilla.org/discord
MDN on GitHub https://github.com/mdn
ウェブ技術 https://developer.mozilla.org/en-US/docs/Web
ウェブ開発を学ぶ https://developer.mozilla.org/en-US/docs/Learn_web_development
ガイド https://developer.mozilla.org/en-US/docs/MDN/Guides
チュートリアル https://developer.mozilla.org/en-US/docs/MDN/Tutorials
用語集 https://developer.mozilla.org/en-US/docs/Glossary
Hacks blog https://hacks.mozilla.org/
Mozillahttps://www.mozilla.org/
ウェブサイトのプライバシー通知https://www.mozilla.org/privacy/websites/
テレメトリー設定https://www.mozilla.org/en-US/privacy/websites/data-preferences/
法的情報https://www.mozilla.org/about/legal/terms/mozilla
コミュニティ参加ガイドラインhttps://www.mozilla.org/about/governance/policies/participation/
クリエイティブ・コモンズ・ライセンスhttps://developer.mozilla.org/docs/MDN/Writing_guidelines/Attrib_copyright_license

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URLs of crawlers that visited me.