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WebPerformance Report @WebPerfReport
Joined May 2021
  • Tweets 4,873
  • Following 2,126
  • Followers 692
547 Photos and videos
100K reports delivered. 🚀💯🎉🎇👏 A big milestone for WebPerformance Report. We are building a new reporting layer for the web: performance, security, accessibility, and beyond. Reports. Decisions. Results. #webperf
Neon-style graphic celebrating 100K reports delivered by WebPerformance Report, with large glowing “100K” text, the phrase “reports delivered,” a pink neon arc, and a dark futuristic background.

ALT Neon-style graphic celebrating 100K reports delivered by WebPerformance Report, with large glowing “100K” text, the phrase “reports delivered,” a pink neon arc, and a dark futuristic background.
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⚡Featured posts this week: ✨ HTML-first site doubled our users: @moh_kohn ✨ AI Doesn't Write Good Software: Adrian Ferrera ✨ Web perf measurement is necessary: @tameverts ✨ Why are we not using Service Workers?: @neciudan 🙏 Special thanks to the authors! #webperf
WebPerformance Report performance email preview highlighting optimization scores, Perf Links, and Core Web Vitals metrics on a colorful gradient background.

ALT WebPerformance Report performance email preview highlighting optimization scores, Perf Links, and Core Web Vitals metrics on a colorful gradient background.

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github.com/WebPerformanceRep…

wpr-perf-links/2026/perf-links.md at main · WebPerformanceReport/wpr-perf-links

Curated links about Web Performance, used in the Perf Links section of WebPerformance Report. - WebPerformanceReport/wpr-perf-links

github.com
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🎉 WebPerformance Report Week #24 is out! ✅ Join our growing community and subscribe today: ⚡Web Performance Report: webperformancereport.com/ 🛡️HTTP Security Report: webperformancereport.com/htt… ♿A11y Report: webperformancereport.com/wav… #webperf #websecurity #accessibility #a11y #ai
Three WebPerformance Report email examples showing web performance, accessibility, and security reports on a colorful gradient background.

ALT Three WebPerformance Report email examples showing web performance, accessibility, and security reports on a colorful gradient background.

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⚡Featured posts this week: ✨The State of CSS survey:Stéphanie Walter ✨Search Generative AI perf reports:@googlesearchc ✨Schema.org Statistics Dataset:@rrlevering ✨The future of the web is weirdly human: @jonoalderson 🙏Special thanks to the authors! #webperf
WebPerformance Report performance email preview highlighting optimization scores, Perf Links, and Core Web Vitals metrics on a colorful gradient background.

ALT WebPerformance Report performance email preview highlighting optimization scores, Perf Links, and Core Web Vitals metrics on a colorful gradient background.

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github.com/WebPerformanceRep…

wpr-perf-links/2026/perf-links.md at main · WebPerformanceReport/wpr-perf-links

Curated links about Web Performance, used in the Perf Links section of WebPerformance Report. - WebPerformanceReport/wpr-perf-links

github.com
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🎉 WebPerformance Report Week #23 is out! ✅ Join our growing community and subscribe today: ⚡Web Performance Report: webperformancereport.com/ 🛡️HTTP Security Report: webperformancereport.com/htt… ♿A11y Report: webperformancereport.com/wav… #webperf #websecurity #accessibility #a11y #ai
Three WebPerformance Report email examples showing web performance, accessibility, and security reports on a colorful gradient background.

ALT Three WebPerformance Report email examples showing web performance, accessibility, and security reports on a colorful gradient background.
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🚀 GA4 Overview Report is now live. WebPerformance Report now supports analytics reporting. Connect Google Analytics 4 @googleanalytics and receive periodic insights directly in your inbox. Want to try it too? Send us a DM. #WebPerf #GoogleAnalytics #Analytics
WebPerformance Report GA4 Overview Report announcement graphic featuring the Google Analytics 4 logo and WebPerformance Report branding on a blue gradient background.

ALT WebPerformance Report GA4 Overview Report announcement graphic featuring the Google Analytics 4 logo and WebPerformance Report branding on a blue gradient background.

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⚡Featured posts this week : ✨ Zero Trust Implementation Guidelines: @NSAGov ✨ The Website Specification: @jdevalk ✨ Agent Skills: @addyosmani @OReillyMedia ✨ Lighthouse agentic browsing scoring: @GoogleChromeDev 🙏 Special thanks to the authors! #webperf
WebPerformance Report performance email preview highlighting optimization scores, Perf Links, and Core Web Vitals metrics on a colorful gradient background.

ALT WebPerformance Report performance email preview highlighting optimization scores, Perf Links, and Core Web Vitals metrics on a colorful gradient background.

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github.com/WebPerformanceRep…

wpr-perf-links/2026/perf-links.md at main · WebPerformanceReport/wpr-perf-links

Curated links about Web Performance, used in the Perf Links section of WebPerformance Report. - WebPerformanceReport/wpr-perf-links

github.com
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🎉 WebPerformance Report Week #22 is out! ✅ Join our growing community and subscribe today: ⚡ Web Performance Report:webperformancereport.com/ 🛡️ HTTP Security Report:webperformancereport.com/htt… ♿ A11y Report:webperformancereport.com/wav… #webperf #websecurity #accessibility #a11y #ai
Three WebPerformance Report email examples showing web performance, accessibility, and security reports on a colorful gradient background.

ALT Three WebPerformance Report email examples showing web performance, accessibility, and security reports on a colorful gradient background.

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WebPerformance Report retweeted
Jake Archibald@jaffathecake
May 27
Watch out! Chrome has a huge bug with <input type="number"> which causes values to change unexpectedly. It's fixed in Chrome 150, but that won't land until the end of June.
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⚡Featured posts this week: ✨ Forbes' A11y List 2026: @alanschwarz ✨ Modern Web Guidance: @paul_irish, @cjamcl, Rick Viscomi ✨ @vivaldibrowser: our biggest design overhaul: @jonsvt ✨ Unlock modern web capabilities: @philwalton 🙏 Special thanks to the authors! #webperf
WebPerformance Report performance email preview highlighting optimization scores, Perf Links, and Core Web Vitals metrics on a colorful gradient background.

ALT WebPerformance Report performance email preview highlighting optimization scores, Perf Links, and Core Web Vitals metrics on a colorful gradient background.

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github.com/WebPerformanceRep…

wpr-perf-links/2026/perf-links.md at main · WebPerformanceReport/wpr-perf-links

Curated links about Web Performance, used in the Perf Links section of WebPerformance Report. - WebPerformanceReport/wpr-perf-links

github.com
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🎉 WebPerformance Report Week #21 is out! ✅ Join our growing community and subscribe today: ⚡ Web Performance Report:webperformancereport.com/ 🛡️ HTTP Security Report:webperformancereport.com/htt… ♿ A11y Report:webperformancereport.com/wav… #webperf #websecurity #accessibility #a11y #ai
Three WebPerformance Report email examples showing web performance, accessibility, and security reports on a colorful gradient background.

ALT Three WebPerformance Report email examples showing web performance, accessibility, and security reports on a colorful gradient background.
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WebPerformance Report retweeted
Danny Moerkerke
@dannymoerkerke
May 20
Firefox 151 now support the Document Picture-in-Picture API that enables web apps to open an always on top window that can be populated with arbitrary HTML content. Details in the upcoming edition of Modern Web Weekly. Demo and subscribe link 👇 🧵1/3
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WebPerformance Report retweeted
Joan León 🏞️⚡️
@nucliweb
May 17
This is why the @googlechrome DevTools MCP is a game-changer. The agent applies a fix, reloads ignoring cache, runs a Lighthouse audit, and checks the score to iterate on the next failure. Fully automated and deterministic. #AgenticDev #WebDev #AI
⏺ Ara rellanço el Lighthouse per veure l'impacte dels fixes: ⏺ chrome-devtools - navigate_page (MCP)(type: "url", url: "http://localhost:4324/", ignoreCache: true) ⏺ chrome-devtools - lighthouse_audit (MCP)(device: "mobile", mode: "navigation") ⏺ Millora de 95 → 96. Queda 1 failure. Veig quin és:

ALT ⏺ Ara rellanço el Lighthouse per veure l'impacte dels fixes: ⏺ chrome-devtools - navigate_page (MCP)(type: "url", url: "http://localhost:4324/", ignoreCache: true) ⏺ chrome-devtools - lighthouse_audit (MCP)(device: "mobile", mode: "navigation") ⏺ Millora de 95 → 96. Queda 1 failure. Veig quin és:

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Do you remember when you joined X? I do! #MyXAnniversary
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⚡Featured posts this week: ✨ FAQ schema died twice: @jdevalk ✨ How optimize your content for gen AI: @googlesearchc ✨ Install web apps with the new HTML element: @patrickbrosset ✨ Browsers Treat Big Sites Differently: @denodell 🙏 Special thanks to the authors! #webperf
WebPerformance Report performance email preview highlighting optimization scores, Perf Links, and Core Web Vitals metrics on a colorful gradient background.

ALT WebPerformance Report performance email preview highlighting optimization scores, Perf Links, and Core Web Vitals metrics on a colorful gradient background.

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github.com/WebPerformanceRep…

wpr-perf-links/2026/perf-links.md at main · WebPerformanceReport/wpr-perf-links

Curated links about Web Performance, used in the Perf Links section of WebPerformance Report. - WebPerformanceReport/wpr-perf-links

github.com
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🎉 WebPerformance Report Week #20 is out! ✅ Join our growing community and subscribe today: ⚡Web Performance Report: webperformancereport.com/ 🛡️HTTP Security Report: webperformancereport.com/htt… ♿A11y Report: webperformancereport.com/wav… #webperf #websecurity #accessibility #a11y #ai
Three WebPerformance Report email examples showing web performance, accessibility, and security reports on a colorful gradient background.

ALT Three WebPerformance Report email examples showing web performance, accessibility, and security reports on a colorful gradient background.
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