René's URL Explorer Experiment


Title: GitHub - fasterize/HowSlow: A Service Worker that monitors network requests to estimate bandwidth and RTT · GitHub

Open Graph Title: GitHub - fasterize/HowSlow: A Service Worker that monitors network requests to estimate bandwidth and RTT

X Title: GitHub - fasterize/HowSlow: A Service Worker that monitors network requests to estimate bandwidth and RTT

Description: A Service Worker that monitors network requests to estimate bandwidth and RTT - fasterize/HowSlow

Open Graph Description: A Service Worker that monitors network requests to estimate bandwidth and RTT - fasterize/HowSlow

X Description: A Service Worker that monitors network requests to estimate bandwidth and RTT - fasterize/HowSlow

Opengraph URL: https://github.com/fasterize/HowSlow

X: @github

direct link

Domain: github.com

route-pattern/:user_id/:repository
route-controllerfiles
route-actiondisambiguate
fetch-noncev2:8733cecd-079a-4f5c-335d-c356d32aee02
current-catalog-service-hashf3abb0cc802f3d7b95fc8762b94bdcb13bf39634c40c357301c4aa1d67a256fb
request-id8858:CB8D3:1DCA819:2A78FB3:6A5A38AA
html-safe-nonce7f9a95a42b87c452c9836d73ffc9b9853e3cfdbc2d46a329fec7502d80253843
visitor-payloadeyJyZWZlcnJlciI6IiIsInJlcXVlc3RfaWQiOiI4ODU4OkNCOEQzOjFEQ0E4MTk6MkE3OEZCMzo2QTVBMzhBQSIsInZpc2l0b3JfaWQiOiI4MzMwNzYwMzExMzQwMTUzMDAyIiwicmVnaW9uX2VkZ2UiOiJpYWQiLCJyZWdpb25fcmVuZGVyIjoiaWFkIn0=
visitor-hmac48df679ac9fb5cd7d552a829cada05b6bc939ea91a07c7526195a18f519ba8d0
hovercard-subject-tagrepository:136896524
github-keyboard-shortcutsrepository,copilot
google-site-verificationApib7-x98H0j5cPqHWwSMm6dNU4GmODRoqxLiDzdx9I
octolytics-urlhttps://collector.github.com/github/collect
analytics-location//
fb:app_id1401488693436528
apple-itunes-appapp-id=1477376905, app-argument=https://github.com/fasterize/HowSlow
twitter:imagehttps://opengraph.githubassets.com/0cf42f14f659ac4e25fa961180596193e806faafad0978776a413439efdb9b60/fasterize/HowSlow
twitter:cardsummary_large_image
og:imagehttps://opengraph.githubassets.com/0cf42f14f659ac4e25fa961180596193e806faafad0978776a413439efdb9b60/fasterize/HowSlow
og:image:altA Service Worker that monitors network requests to estimate bandwidth and RTT - fasterize/HowSlow
og:image:width1200
og:image:height600
og:site_nameGitHub
og:typeobject
hostnamegithub.com
expected-hostnamegithub.com
None19c67ad7579d2401ff06e88a32ef45460fbb40fab3191c7f7582d5e166f326fc
turbo-cache-controlno-cache
go-importgithub.com/fasterize/HowSlow git https://github.com/fasterize/HowSlow.git
octolytics-dimension-user_id856954
octolytics-dimension-user_loginfasterize
octolytics-dimension-repository_id136896524
octolytics-dimension-repository_nwofasterize/HowSlow
octolytics-dimension-repository_publictrue
octolytics-dimension-repository_is_forkfalse
octolytics-dimension-repository_network_root_id136896524
octolytics-dimension-repository_network_root_nwofasterize/HowSlow
turbo-body-classeslogged-out env-production page-responsive
disable-turbofalse
browser-stats-urlhttps://api.github.com/_private/browser/stats
browser-errors-urlhttps://api.github.com/_private/browser/errors
releasee618485bff22dab2ef1ffb4e34e4e6626688df69
ui-targetfull
theme-color#1e2327
color-schemelight dark

Links:

Skip to contenthttps://github.com/fasterize/HowSlow#start-of-content
https://github.com/
Sign in https://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Ffasterize%2FHowSlow
GitHub CopilotWrite better code with AIhttps://github.com/features/copilot
GitHub Copilot appDirect agents from issue to mergehttps://github.com/features/ai/github-app
MCP RegistryNewIntegrate external toolshttps://github.com/mcp
ActionsAutomate any workflowhttps://github.com/features/actions
CodespacesInstant dev environmentshttps://github.com/features/codespaces
IssuesPlan and track workhttps://github.com/features/issues
Code ReviewManage code changeshttps://github.com/features/code-review
GitHub Advanced SecurityFind and fix vulnerabilitieshttps://github.com/security/advanced-security
Code securitySecure your code as you buildhttps://github.com/security/advanced-security/code-security
Secret protectionStop leaks before they starthttps://github.com/security/advanced-security/secret-protection
Why GitHubhttps://github.com/why-github
Documentationhttps://docs.github.com
Bloghttps://github.blog
Changeloghttps://github.blog/changelog
Marketplacehttps://github.com/marketplace
View all featureshttps://github.com/features
Enterpriseshttps://github.com/enterprise
Small and medium teamshttps://github.com/team
Startupshttps://github.com/enterprise/startups
Nonprofitshttps://github.com/solutions/industry/nonprofits
App Modernizationhttps://github.com/solutions/use-case/app-modernization
DevSecOpshttps://github.com/solutions/use-case/devsecops
DevOpshttps://github.com/solutions/use-case/devops
CI/CDhttps://github.com/solutions/use-case/ci-cd
View all use caseshttps://github.com/solutions/use-case
Healthcarehttps://github.com/solutions/industry/healthcare
Financial serviceshttps://github.com/solutions/industry/financial-services
Manufacturinghttps://github.com/solutions/industry/manufacturing
Governmenthttps://github.com/solutions/industry/government
View all industrieshttps://github.com/solutions/industry
View all solutionshttps://github.com/solutions
AIhttps://github.com/resources/articles?topic=ai
Software Developmenthttps://github.com/resources/articles?topic=software-development
DevOpshttps://github.com/resources/articles?topic=devops
Securityhttps://github.com/resources/articles?topic=security
View all topicshttps://github.com/resources/articles
Customer storieshttps://github.com/customer-stories
Events & webinarshttps://github.com/resources/events
Ebooks & reportshttps://github.com/resources/whitepapers
Business insightshttps://github.com/solutions/executive-insights
GitHub Skillshttps://skills.github.com
Documentationhttps://docs.github.com
Customer supporthttps://support.github.com
Community forumhttps://github.com/orgs/community/discussions
Trust centerhttps://github.com/trust-center
Partnershttps://github.com/partners
View all resourceshttps://github.com/resources
GitHub SponsorsFund open source developershttps://github.com/open-source/sponsors
Security Labhttps://securitylab.github.com
Maintainer Communityhttps://maintainers.github.com
Acceleratorhttps://github.com/open-source/accelerator
GitHub Starshttps://stars.github.com
Archive Programhttps://archiveprogram.github.com
Topicshttps://github.com/topics
Trendinghttps://github.com/trending
Collectionshttps://github.com/collections
Enterprise platformAI-powered developer platformhttps://github.com/enterprise
GitHub Advanced SecurityEnterprise-grade security featureshttps://github.com/security/advanced-security
Copilot for BusinessEnterprise-grade AI featureshttps://github.com/features/copilot/copilot-business
Premium SupportEnterprise-grade 24/7 supporthttps://github.com/enterprise/premium-support
Pricinghttps://github.com/pricing
Search syntax tipshttps://docs.github.com/search-github/github-code-search/understanding-github-code-search-syntax
documentationhttps://docs.github.com/search-github/github-code-search/understanding-github-code-search-syntax
Sign in https://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Ffasterize%2FHowSlow
Sign up https://github.com/signup?ref_cta=Sign+up&ref_loc=header+logged+out&ref_page=%2F%3Cuser-name%3E%2F%3Crepo-name%3E&source=header-repo&source_repo=fasterize%2FHowSlow
Reloadhttps://github.com/fasterize/HowSlow
Reloadhttps://github.com/fasterize/HowSlow
Reloadhttps://github.com/fasterize/HowSlow
Please reload this pagehttps://github.com/fasterize/HowSlow
fasterize https://github.com/fasterize
HowSlowhttps://github.com/fasterize/HowSlow
Notifications https://github.com/login?return_to=%2Ffasterize%2FHowSlow
Fork 3 https://github.com/login?return_to=%2Ffasterize%2FHowSlow
Star 36 https://github.com/login?return_to=%2Ffasterize%2FHowSlow
Code https://github.com/fasterize/HowSlow
Issues 0 https://github.com/fasterize/HowSlow/issues
Pull requests 0 https://github.com/fasterize/HowSlow/pulls
Actions https://github.com/fasterize/HowSlow/actions
Projects https://github.com/fasterize/HowSlow/projects
Security and quality 0 https://github.com/fasterize/HowSlow/security
Insights https://github.com/fasterize/HowSlow/pulse
Code https://github.com/fasterize/HowSlow
Issues https://github.com/fasterize/HowSlow/issues
Pull requests https://github.com/fasterize/HowSlow/pulls
Actions https://github.com/fasterize/HowSlow/actions
Projects https://github.com/fasterize/HowSlow/projects
Security and quality https://github.com/fasterize/HowSlow/security
Insights https://github.com/fasterize/HowSlow/pulse
https://github.com/fasterize/HowSlow
Brancheshttps://github.com/fasterize/HowSlow/branches
Tagshttps://github.com/fasterize/HowSlow/tags
https://github.com/fasterize/HowSlow/branches
https://github.com/fasterize/HowSlow/tags
94 Commitshttps://github.com/fasterize/HowSlow/commits/master/
https://github.com/fasterize/HowSlow/commits/master/
docshttps://github.com/fasterize/HowSlow/tree/master/docs
docshttps://github.com/fasterize/HowSlow/tree/master/docs
exampleshttps://github.com/fasterize/HowSlow/tree/master/examples
exampleshttps://github.com/fasterize/HowSlow/tree/master/examples
.babelrchttps://github.com/fasterize/HowSlow/blob/master/.babelrc
.babelrchttps://github.com/fasterize/HowSlow/blob/master/.babelrc
.gitignorehttps://github.com/fasterize/HowSlow/blob/master/.gitignore
.gitignorehttps://github.com/fasterize/HowSlow/blob/master/.gitignore
LICENSEhttps://github.com/fasterize/HowSlow/blob/master/LICENSE
LICENSEhttps://github.com/fasterize/HowSlow/blob/master/LICENSE
README.mdhttps://github.com/fasterize/HowSlow/blob/master/README.md
README.mdhttps://github.com/fasterize/HowSlow/blob/master/README.md
howSlowForPage.jshttps://github.com/fasterize/HowSlow/blob/master/howSlowForPage.js
howSlowForPage.jshttps://github.com/fasterize/HowSlow/blob/master/howSlowForPage.js
howSlowForSW.jshttps://github.com/fasterize/HowSlow/blob/master/howSlowForSW.js
howSlowForSW.jshttps://github.com/fasterize/HowSlow/blob/master/howSlowForSW.js
package.jsonhttps://github.com/fasterize/HowSlow/blob/master/package.json
package.jsonhttps://github.com/fasterize/HowSlow/blob/master/package.json
READMEhttps://github.com/fasterize/HowSlow
MIT licensehttps://github.com/fasterize/HowSlow
https://github.com/fasterize/HowSlow#how-does-it-work
Resource Timinghttps://developer.mozilla.org/en-US/docs/Web/API/Resource_Timing_API/Using_the_Resource_Timing_API
https://github.com/fasterize/HowSlow/blob/master/docs/howslow-waterfall-to-stats.png
https://github.com/fasterize/HowSlow#what-is-it-good-for
https://github.com/fasterize/HowSlow#how-to-install
https://github.com/fasterize/HowSlow#step-1-load-howslowforpagejs-and-instantiate-it
https://github.com/fasterize/HowSlow#step-2-build-the-service-worker-and-serve-it-at-the-root-level
https://github.com/fasterize/HowSlow#step-3-use-the-estimated-bandwidth-or-rtt-in-your-code
https://github.com/fasterize/HowSlow#the-urlrewritinghook
https://github.com/fasterize/HowSlow#the-urlblockinghook
https://github.com/fasterize/HowSlow#some-coding-examples
Block a custom font on slow bandwidthhttps://github.com/fasterize/HowSlow/blob/master/examples/block-fonts/sw.js
Adjust density of responsive images according to bandwidthhttps://github.com/fasterize/HowSlow/blob/master/examples/adjust-image-density/page.html
Rewrite image URLs to add an "-hd" suffixhttps://github.com/fasterize/HowSlow/blob/master/examples/change-images-urls/sw.js
Block a third party scripthttps://github.com/fasterize/HowSlow/blob/master/examples/block-third-parties/sw.js
Display a "Slow connection detected" messagehttps://github.com/fasterize/HowSlow/blob/master/examples/show-connectivity-message/page.html
https://github.com/fasterize/HowSlow#how-are-the-averages-calculated
https://github.com/fasterize/HowSlow#will-it-work-on-the-first-page-load
https://github.com/fasterize/HowSlow#ok-great-but-whats-the-difference-with-the-network-information-api
Network Information APIhttps://developer.mozilla.org/en-US/docs/Web/API/NetworkInformation
https://github.com/fasterize/HowSlow#compatibility
https://github.com/fasterize/HowSlow#demo
https://fasterize.github.io/HowSlow/demo/demo.htmlhttps://fasterize.github.io/HowSlow/demo/demo.html
https://gmetais.github.io/howslow/demo/demo.htmlhttps://gmetais.github.io/howslow/demo/demo.html
https://github.com/fasterize/HowSlow#authors
Fasterizehttps://www.fasterize.com
performance https://github.com/topics/performance
service-worker https://github.com/topics/service-worker
speedtest https://github.com/topics/speedtest
webperf https://github.com/topics/webperf
Readme https://github.com/fasterize/HowSlow#readme-ov-file
MIT license https://github.com/fasterize/HowSlow#MIT-1-ov-file
Please reload this pagehttps://github.com/fasterize/HowSlow
Activityhttps://github.com/fasterize/HowSlow/activity
Custom propertieshttps://github.com/fasterize/HowSlow/custom-properties
3 forkshttps://github.com/fasterize/HowSlow/forks
Report repository https://github.com/contact/report-content?content_url=https%3A%2F%2Fgithub.com%2Ffasterize%2FHowSlow&report=fasterize+%28user%29
Releaseshttps://github.com/fasterize/HowSlow/releases
Packages 0https://github.com/orgs/fasterize/packages?repo_name=HowSlow
Please reload this pagehttps://github.com/fasterize/HowSlow
Please reload this pagehttps://github.com/fasterize/HowSlow
Contributorshttps://github.com/fasterize/HowSlow/graphs/contributors
Please reload this pagehttps://github.com/fasterize/HowSlow
JavaScript 100.0% https://github.com/fasterize/HowSlow/search?l=javascript
https://github.com
Termshttps://docs.github.com/site-policy/github-terms/github-terms-of-service
Privacyhttps://docs.github.com/site-policy/privacy-policies/github-privacy-statement
Securityhttps://github.com/security
Statushttps://www.githubstatus.com/
Communityhttps://github.community/
Docshttps://docs.github.com/
Contacthttps://support.github.com?tags=dotcom-footer

Viewport: width=device-width


URLs of crawlers that visited me.