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Title: WebAssembly.validate() - WebAssembly | MDN

Open Graph Title: WebAssembly.validate() - WebAssembly | MDN

Description: The WebAssembly.validate() static method validates a given typed array of WebAssembly binary code, returning whether the bytes form a valid Wasm module (true) or not (false).

Open Graph Description: The WebAssembly.validate() static method validates a given typed array of WebAssembly binary code, returning whether the bytes form a valid Wasm module (true) or not (false).

Opengraph URL: https://developer.mozilla.org/en-US/docs/WebAssembly/Reference/JavaScript_interface/validate_static

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Referencehttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference
WebAssemblyhttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/JavaScript_interface
WebAssembly.validate()https://developer.mozilla.org/en-US/docs/WebAssembly/Reference/JavaScript_interface/validate_static
https://github.com/orgs/mdn/discussions/739
https://developer.mozilla.org/de/docs/WebAssembly/Reference/JavaScript_interface/validate_static
https://developer.mozilla.org/en-US/docs/WebAssembly/Reference/JavaScript_interface/validate_static
https://developer.mozilla.org/fr/docs/WebAssembly/Reference/JavaScript_interface/validate_static
https://developer.mozilla.org/ja/docs/WebAssembly/Reference/JavaScript_interface/validate_static
https://developer.mozilla.org/ko/docs/WebAssembly/Reference/JavaScript_interface/validate_static
https://developer.mozilla.org/zh-CN/docs/WebAssembly/Reference/JavaScript_interface/validate_static
Learn more https://developer.mozilla.org/en-US/docs/Glossary/Baseline/Compatibility
See full compatibility https://developer.mozilla.org/en-US/docs/WebAssembly/Reference/JavaScript_interface/validate_static#browser_compatibility
Report feedback https://survey.alchemer.com/s3/7634825/MDN-baseline-feedback?page=%2Fen-US%2Fdocs%2FWebAssembly%2FReference%2FJavaScript_interface%2Fvalidate_static&level=high
typed arrayhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Typed_arrays
Syntaxhttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/JavaScript_interface/validate_static#syntax
Exampleshttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/JavaScript_interface/validate_static#examples
Specificationshttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/JavaScript_interface/validate_static#specifications
Browser compatibilityhttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/JavaScript_interface/validate_static#browser_compatibility
See alsohttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/JavaScript_interface/validate_static#see_also
Syntaxhttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/JavaScript_interface/validate_static#syntax
Parametershttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/JavaScript_interface/validate_static#parameters
bufferSourcehttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/JavaScript_interface/validate_static#buffersource
typed arrayhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Typed_arrays
ArrayBufferhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/ArrayBuffer
compileOptions Optionalhttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/JavaScript_interface/validate_static#compileoptions
builtins Optionalhttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/JavaScript_interface/validate_static#builtins
JavaScript builtinshttps://developer.mozilla.org/en-US/docs/WebAssembly/Guides/JavaScript_builtins
importedStringConstants Optionalhttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/JavaScript_interface/validate_static#importedstringconstants
imported global string constantshttps://developer.mozilla.org/en-US/docs/WebAssembly/Guides/Imported_string_constants
Return valuehttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/JavaScript_interface/validate_static#return_value
Exceptionshttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/JavaScript_interface/validate_static#exceptions
typed arrayhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Typed_arrays
ArrayBufferhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/ArrayBuffer
TypeErrorhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/TypeError
Exampleshttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/JavaScript_interface/validate_static#examples
Using validatehttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/JavaScript_interface/validate_static#using_validate
source codehttps://github.com/mdn/webassembly-examples/blob/main/js-api-examples/validate.html
see it live toohttps://mdn.github.io/webassembly-examples/js-api-examples/validate.html
Validating a module with JavaScript builtins and global string imports enabledhttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/JavaScript_interface/validate_static#validating_a_module_with_javascript_builtins_and_global_string_imports_enabled
See it running livehttps://mdn.github.io/webassembly-examples/js-builtin-examples/validate/
Specificationshttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/JavaScript_interface/validate_static#specifications
WebAssembly JavaScript Interface# dom-webassembly-validatehttps://webassembly.github.io/spec/js-api/#dom-webassembly-validate
Browser compatibilityhttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/JavaScript_interface/validate_static#browser_compatibility
See alsohttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/JavaScript_interface/validate_static#see_also
WebAssemblyhttps://developer.mozilla.org/en-US/docs/WebAssembly
WebAssembly conceptshttps://developer.mozilla.org/en-US/docs/WebAssembly/Guides/Concepts
Using the WebAssembly JavaScript APIhttps://developer.mozilla.org/en-US/docs/WebAssembly/Guides/Using_the_JavaScript_API
Learn how to contributehttps://developer.mozilla.org/en-US/docs/MDN/Community/Getting_started
MDN contributorshttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/JavaScript_interface/validate_static/contributors.txt
View this page on GitHubhttps://github.com/mdn/content/blob/main/files/en-us/webassembly/reference/javascript_interface/validate_static/index.md?plain=1
Report a problem with this contenthttps://github.com/mdn/content/issues/new?template=page-report.yml&mdn-url=https%3A%2F%2Fdeveloper.mozilla.org%2Fen-US%2Fdocs%2FWebAssembly%2FReference%2FJavaScript_interface%2Fvalidate_static&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+%60en-us%2Fwebassembly%2Freference%2Fjavascript_interface%2Fvalidate_static%60%0A*+MDN+URL%3A+https%3A%2F%2Fdeveloper.mozilla.org%2Fen-US%2Fdocs%2FWebAssembly%2FReference%2FJavaScript_interface%2Fvalidate_static%0A*+GitHub+URL%3A+https%3A%2F%2Fgithub.com%2Fmdn%2Fcontent%2Fblob%2Fmain%2Ffiles%2Fen-us%2Fwebassembly%2Freference%2Fjavascript_interface%2Fvalidate_static%2Findex.md%0A*+Last+commit%3A+https%3A%2F%2Fgithub.com%2Fmdn%2Fcontent%2Fcommit%2F006c05b688814b45a01ad965bbe4ebfc15513e74%0A*+Document+last+modified%3A+2025-04-22T17%3A31%3A44.000Z%0A%0A%3C%2Fdetails%3E
WebAssemblyhttps://developer.mozilla.org/en-US/docs/WebAssembly
Guideshttps://developer.mozilla.org/en-US/docs/WebAssembly/Guides
WebAssembly conceptshttps://developer.mozilla.org/en-US/docs/WebAssembly/Guides/Concepts
Compiling from C/C++ to WebAssemblyhttps://developer.mozilla.org/en-US/docs/WebAssembly/Guides/C_to_Wasm
Compiling an existing C module to WebAssemblyhttps://developer.mozilla.org/en-US/docs/WebAssembly/Guides/Existing_C_to_Wasm
Compiling from Rust to WebAssemblyhttps://developer.mozilla.org/en-US/docs/WebAssembly/Guides/Rust_to_Wasm
Using the WebAssembly JavaScript APIhttps://developer.mozilla.org/en-US/docs/WebAssembly/Guides/Using_the_JavaScript_API
Understanding WebAssembly text formathttps://developer.mozilla.org/en-US/docs/WebAssembly/Guides/Understanding_the_text_format
Converting WebAssembly text formathttps://developer.mozilla.org/en-US/docs/WebAssembly/Guides/Text_format_to_Wasm
Loading and running WebAssembly codehttps://developer.mozilla.org/en-US/docs/WebAssembly/Guides/Loading_and_running
Exported WebAssembly functionshttps://developer.mozilla.org/en-US/docs/WebAssembly/Guides/Exported_functions
JavaScript builtinshttps://developer.mozilla.org/en-US/docs/WebAssembly/Guides/JavaScript_builtins
Imported global string constantshttps://developer.mozilla.org/en-US/docs/WebAssembly/Guides/Imported_string_constants
Referencehttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference
WebAssemblyhttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/JavaScript_interface
WebAssembly.compile()https://developer.mozilla.org/en-US/docs/WebAssembly/Reference/JavaScript_interface/compile_static
WebAssembly.compileStreaming()https://developer.mozilla.org/en-US/docs/WebAssembly/Reference/JavaScript_interface/compileStreaming_static
WebAssembly.instantiate()https://developer.mozilla.org/en-US/docs/WebAssembly/Reference/JavaScript_interface/instantiate_static
WebAssembly.instantiateStreaming()https://developer.mozilla.org/en-US/docs/WebAssembly/Reference/JavaScript_interface/instantiateStreaming_static
WebAssembly.validate()https://developer.mozilla.org/en-US/docs/WebAssembly/Reference/JavaScript_interface/validate_static
WebAssembly.Modulehttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/JavaScript_interface/Module
WebAssembly.Module.customSections()https://developer.mozilla.org/en-US/docs/WebAssembly/Reference/JavaScript_interface/Module/customSections_static
WebAssembly.Module.exports()https://developer.mozilla.org/en-US/docs/WebAssembly/Reference/JavaScript_interface/Module/exports_static
WebAssembly.Module.imports()https://developer.mozilla.org/en-US/docs/WebAssembly/Reference/JavaScript_interface/Module/imports_static
WebAssembly.Module() constructorhttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/JavaScript_interface/Module/Module
WebAssembly.Globalhttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/JavaScript_interface/Global
WebAssembly.Global() constructorhttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/JavaScript_interface/Global/Global
WebAssembly.Instancehttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/JavaScript_interface/Instance
WebAssembly.Instance.prototype.exportshttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/JavaScript_interface/Instance/exports
WebAssembly.Instance() constructorhttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/JavaScript_interface/Instance/Instance
WebAssembly.Memoryhttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/JavaScript_interface/Memory
WebAssembly.Memory.prototype.bufferhttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/JavaScript_interface/Memory/buffer
WebAssembly.Memory.prototype.grow()https://developer.mozilla.org/en-US/docs/WebAssembly/Reference/JavaScript_interface/Memory/grow
WebAssembly.Memory() constructorhttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/JavaScript_interface/Memory/Memory
WebAssembly.Tablehttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/JavaScript_interface/Table
WebAssembly.Table.prototype.get()https://developer.mozilla.org/en-US/docs/WebAssembly/Reference/JavaScript_interface/Table/get
WebAssembly.Table.prototype.grow()https://developer.mozilla.org/en-US/docs/WebAssembly/Reference/JavaScript_interface/Table/grow
WebAssembly.Table.prototype.lengthhttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/JavaScript_interface/Table/length
WebAssembly.Table.prototype.set()https://developer.mozilla.org/en-US/docs/WebAssembly/Reference/JavaScript_interface/Table/set
WebAssembly.Table() constructorhttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/JavaScript_interface/Table/Table
WebAssembly.Taghttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/JavaScript_interface/Tag
WebAssembly.Tag.prototype.type()https://developer.mozilla.org/en-US/docs/WebAssembly/Reference/JavaScript_interface/Tag/type
WebAssembly.Tag() constructorhttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/JavaScript_interface/Tag/Tag
WebAssembly.Exceptionhttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/JavaScript_interface/Exception
WebAssembly.Exception constructorhttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/JavaScript_interface/Exception/Exception
WebAssembly.Exception.prototype.getArg()https://developer.mozilla.org/en-US/docs/WebAssembly/Reference/JavaScript_interface/Exception/getArg
WebAssembly.Exception.prototype.is()https://developer.mozilla.org/en-US/docs/WebAssembly/Reference/JavaScript_interface/Exception/is
WebAssembly.Exception.prototype.stackhttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/JavaScript_interface/Exception/stack
WebAssembly.CompileErrorhttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/JavaScript_interface/CompileError
WebAssembly.CompileError() constructorhttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/JavaScript_interface/CompileError/CompileError
WebAssembly.LinkErrorhttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/JavaScript_interface/LinkError
WebAssembly.LinkError() constructorhttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/JavaScript_interface/LinkError/LinkError
WebAssembly.RuntimeErrorhttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/JavaScript_interface/RuntimeError
WebAssembly.RuntimeError() constructorhttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/JavaScript_interface/RuntimeError/RuntimeError
Control flowhttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/Control_flow
blockhttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/Control_flow/block
brhttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/Control_flow/br
br_ifhttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/Control_flow/br_if
br_tablehttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/Control_flow/br_table
callhttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/Control_flow/call
drophttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/Control_flow/drop
endhttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/Control_flow/end
if...elsehttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/Control_flow/if...else
loophttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/Control_flow/loop
nophttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/Control_flow/nop
returnhttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/Control_flow/return
selecthttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/Control_flow/select
unreachablehttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/Control_flow/unreachable
Memoryhttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/Memory
copyhttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/Memory/copy
fillhttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/Memory/fill
growhttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/Memory/grow
loadhttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/Memory/load
sizehttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/Memory/size
storehttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/Memory/store
Numerichttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/Numeric
abshttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/Numeric/abs
addhttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/Numeric/add
andhttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/Numeric/and
ceilhttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/Numeric/ceil
clzhttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/Numeric/clz
consthttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/Numeric/const
converthttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/Numeric/convert
copysignhttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/Numeric/copysign
ctzhttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/Numeric/ctz
demotehttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/Numeric/demote
divhttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/Numeric/div
eqhttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/Numeric/eq
extendhttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/Numeric/extend
floorhttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/Numeric/floor
gehttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/Numeric/ge
gthttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/Numeric/gt
lehttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/Numeric/le
lthttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/Numeric/lt
maxhttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/Numeric/max
minhttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/Numeric/min
mulhttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/Numeric/mul
nehttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/Numeric/ne
nearesthttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/Numeric/nearest
neghttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/Numeric/neg
orhttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/Numeric/or
popcnthttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/Numeric/popcnt
promotehttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/Numeric/promote
reinterprethttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/Numeric/reinterpret
remhttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/Numeric/rem
rotlhttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/Numeric/rotl
rotrhttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/Numeric/rotr
shlhttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/Numeric/shl
shrhttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/Numeric/shr
sqrthttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/Numeric/sqrt
subhttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/Numeric/sub
trunc (to float)https://developer.mozilla.org/en-US/docs/WebAssembly/Reference/Numeric/trunc_float
trunc (to int)https://developer.mozilla.org/en-US/docs/WebAssembly/Reference/Numeric/trunc_int
wraphttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/Numeric/wrap
xorhttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/Numeric/xor
Variableshttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/Variables
globalhttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/Variables/global
global.gethttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/Variables/global.get
global.sethttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/Variables/global.set
localhttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/Variables/local
local.gethttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/Variables/local.get
local.sethttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/Variables/local.set
local.teehttps://developer.mozilla.org/en-US/docs/WebAssembly/Reference/Variables/local.tee
https://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
About https://developer.mozilla.org/en-US/about
Blog https://developer.mozilla.org/en-US/blog/
Mozilla careers https://www.mozilla.org/en-US/careers/listings/
Advertise with us 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 Community https://developer.mozilla.org/en-US/community
Community resources https://developer.mozilla.org/en-US/docs/MDN/Community
Writing guidelines https://developer.mozilla.org/en-US/docs/MDN/Writing_guidelines
MDN Discord https://developer.mozilla.org/discord
MDN on GitHub https://github.com/mdn
Web technologies https://developer.mozilla.org/en-US/docs/Web
Learn web development https://developer.mozilla.org/en-US/docs/Learn_web_development
Guides https://developer.mozilla.org/en-US/docs/MDN/Guides
Tutorials https://developer.mozilla.org/en-US/docs/MDN/Tutorials
Glossary https://developer.mozilla.org/en-US/docs/Glossary
Hacks blog https://hacks.mozilla.org/
https://www.mozilla.org/
Website Privacy Noticehttps://www.mozilla.org/privacy/websites/
Telemetry Settingshttps://www.mozilla.org/en-US/privacy/websites/data-preferences/
Legalhttps://www.mozilla.org/about/legal/terms/mozilla
Community Participation Guidelineshttps://www.mozilla.org/about/governance/policies/participation/
Mozilla Corporation’shttps://www.mozilla.org/
Mozilla Foundationhttps://foundation.mozilla.org/
a Creative Commons licensehttps://developer.mozilla.org/docs/MDN/Writing_guidelines/Attrib_copyright_license

Viewport: width=device-width, initial-scale=1.0

URLs of crawlers that visited me.