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Fa11y.css
This CSS file intends to warn developers about possible risks and mistakes that exist in HTML code. It can also be used to roughly evaluate a site's quality by simply including it as an external stylesheet.
Popularity
Repository stars1,61322,818Highest
7-day net stars——
Fork961,432Highest
30-day trendInsufficient historyInsufficient history
Maintenance
Last push2026-04-242026-11-02
Maintenance notesNot verifiedNot verified
Repository created2013-11-212010-09-12
License & use
LicenseMIT · PermissiveAGPL-3.0 · Share derivative source
PricingPricing not verifiedPricing not verified
Basics
Browse by purposeDeveloper toolsDeveloper tools
TypePlugins & extensionsPlugins & extensions
SubcategoryBrowser extensionsBrowser extensions
PlatformNot verifiedNot verified
Cost detailsCheck current official software, hosting, model and infrastructure pricing.Check current official software, hosting, model and infrastructure pricing.
Pricing source——
First collected2026-11-032026-11-03
MetricRepository stars, not unique users or individual-skill installsRepository stars, not unique users or individual-skill installs
LanguageSCSSJavaScript
About this projectThis CSS file intends to warn developers about possible risks and mistakes that exist in HTML code. It can also be used to roughly evaluate a site's quality by simply including it as an external stylesheet.Web Extension for saving a faithful copy of a complete web page in a single HTML file
Measured at2026-11-02 19:00 UTC2026-11-03 08:28 UTC
License tiers are derived from metadata. Check obligations for your use; unknown does not mean prohibited. Ranked by repository stars, one position per repository. Stars and forks are not user counts.