⚡Featured posts this week: ✨ What Is LCP And Why It Matters: @julianjandl.bsky.social ✨ How WebPerf Impacts Shareholder Value: Bill Hunt ✨ Announcing Chrome DevTools MCP!: @mhablich.bsky.social ✨ Audit your website with Impolighthouse: @jono.id 🙏 Special thanks to the authors! #webperf

🎉 WebPerformance Report Week #39 is out! ✅ 🔍 Ready for next Week? Don’t miss out! ⚡ Web Performance Report: 👉 webperformancereport.com 🛡️ HTTP Security Report: 👉 webperformancereport.com/httpo/ #webperf #corewebvitals #ux #seo #cybersecurity #websecurity

⚡Featured posts this week: ✨ How modern browsers work: @addyosmani.bsky.social ✨ Fastest Sites Run on @fastly.com: Leon Brocard ✨ The RUM Diaries: Alex Krivit & Tim Kadlec @cloudflare.social ✨ The biggest upgrades to Google Chrome: Mike Torres 🙏 Special thanks to the authors! #webperf

🎉 WebPerformance Report Week #38 is out! ✅ Join our growing community of #WebPerformance enthusiasts and subscribe today: ⚡ Web Performance Report: 👉 webperformancereport.com 🛡️ HTTP Security Report: 👉 webperformancereport.com/httpo/ #webperf #corewebvitals #ux #seo #cybersecurity #websecurity

Two pro webperf tips! Are you using Annotations in your performance traces? developer.chrome.com/docs/devtool... And even when not needing to annotate, Gemini AI auto-annotations can quickly give you an idea what a bit of the flame chart is doing without you needing to dig in yourself. Try it out!

⚡Featured posts this week: ✨ HTTP is not simple: @daniel.haxx.se ✨ Container Queries are Widely Available!: Miriam Suzanne ✨ Adidas Protected High-Stakes Ecommerce: Thomas Stark ✨ How do LoAF affect user behavior?: @cliffcrocker.bsky.social 🙏 Special thanks to the authors! #webperf

🎉 WebPerformance Report Week #33 is out! ✅ 🔍 Ready for next Week? Don’t miss out! ⚡ Web Performance Report: 👉 webperformancereport.com 🛡️ HTTP Security Report: 👉 webperformancereport.com/httpo/ #webperf #corewebvitals #ux #seo #cybersecurity #websecurity

⚡Featured posts this week: ✨ Dynamic rendering at scale #HelloFresh: Pepijn Senders ✨ 2025 SaaS WebPerf Benchmark Report: @catchpointsystems.bsky.social ✨ The Performance Extensibility API: @csswizardry.com ✨ Why Debugging Web Performance: @jackf.io 🙏 Special thanks to the authors! #webperf

🎉 WebPerformance Report Week #32 is out! ✅ 🔍 Ready for next Week? Don’t miss out! ⚡ Web Performance Report: 👉 webperformancereport.com 🛡️ HTTP Security Report: 👉 webperformancereport.com/httpo/ #webperf #corewebvitals #ux #seo #cybersecurity #websecurity

👏Hey everyone! All our WebPerformance Reports are set for Sunday’s delivery! Our test report for Google Cloud shows need improvement, meaning users may face slower loading and interaction delays: 🟡 LCP 🟢 CLS 🔴 INP 👉 webperformancereport.com/report/wpt/2... #webperf #crux #ux #seo #cloud

👀 Guess what’s next from WebPerformance Report? It’s not speed⚡. It’s not security🛡️. This time we’re all about inclusivity♿. We’re building our 3rd report on top of one of the best #A11y tools on the market. Spread the word. Early preview drops soon. #Accessibility #WebPerf

I’m currently conducting a Web Perf Review for a client, and it’s the perfect excuse to revisit @kurtextrem.de’s brilliant article “How To Improve INP: Yield Patterns.” Hands down, one of the best reads out there if you want to truly understand and apply this pattern #WebPerf #INP #CoreWebVitals

⚡Featured posts this week: ✨ Introducing Copilot Mode in Edge: Satya Nadella ✨ Perf improvements for WP 6.9: @weston.ruter.net ✨ New Soft Navigations origin trial: @tunetheweb.com ✨ When use CrUX, RUM, and Synthetic #WebPerf: @markzeman.com 🙏 Special thanks to the authors!

🎉 WebPerformance Report Week #31 is out! ✅ Join our growing community of #WebPerformance enthusiasts and subscribe today: ⚡ Web Performance Report: 👉 webperformancereport.com 🛡️ HTTP Security Report: 👉 webperformancereport.com/httpo/ #webperf #corewebvitals #ux #seo #cybersecurity #websecurity

🔔 Still not subscribed? You’re just in time to get this week’s #WebPerformance Report. Used by experts at Google, Mozilla, Chanel, and more. Get your own report now 👉 webperformancereport.com #webperf

Hey everyone! All our WebPerformance Reports are set for Sunday’s delivery! Our test report for #HelloFresh shows INP still needs improvement, meaning users may face interaction delays: 🟢 LCP 🟢 CLS 🟡 INP 👉 webperformancereport.com/report/wpt/2... #webperf #crux #ux #seo #ecommerce

⚡Featured posts this week: ✨ The StateOfHTML 2025 survey is open!: @lea.verou.me ✨ @nuxt.com performance: @jakubjaraczewski.bsky.social ✨ Celebrating 20 years of @developer.mozilla.org : Joe Walker ✨ Refactoring for Performance: Alek Petuskey 🙏 Special thanks to the authors! #webperf

🎉 WebPerformance Report Week #30 is out! ✅ 🔍 Ready for next Week? Don’t miss out! ⚡ Web Performance Report: 👉 webperformancereport.com 🛡️ HTTP Security Report: 👉 webperformancereport.com/httpo/ #webperf #corewebvitals #ux #seo #cybersecurity #websecurity

🔔 Still not subscribed? You’re just in time to get this week’s WebPerformance Report. Used by experts at Google, Mozilla, Chanel, Airbnb, and more. Get your own report now 👉 webperformancereport.com #webperf

Hey everyone! All our Web Performance reports are set for Sunday’s delivery! Our test report for Lovable shows significant Core Web Vitals issues: 🟡 LCP 🟢 CLS 🔴 INP 👉 webperformancereport.com/report/wpt/2... #webperf #crux #corewebvitals #ux #seo #ai #startups

MDN turned 20, and to celebrate, the Chrome team sent us a cake! 🎂 🧁 More than dessert, it’s about open standards. We still remember the cakes from Microsoft during Firefox 2, 3, and 4… and the one we sent them for IE10! Here's ours 👇

⚡Featured posts this week: ✨ New to the web platform: @rachelandrew.bsky.social ✨ We migrated 11ty increased perf by 24%: @danwebbb.bsky.social ✨ Embedding WebPageTest traces: @infrequently.org ✨ OSS Elevate Your Professional Journey: @felixarntz.bsky.social 🙏 Special thanks to the authors! #webperf

🎉 WebPerformance Report Week #29 is out! ✅ 🔍 Ready for next Week? Don’t miss out! ⚡ Web Performance Report: 👉 webperformancereport.com 🛡️ HTTP Security Report: 👉 webperformancereport.com/httpo/ #webperf #corewebvitals #ux #seo #cybersecurity #websecurity

🔔 Still not subscribed? You’re just in time to get this week’s WebPerformance Report. Used by experts at Google, Mozilla, Chanel, Airbnb, and more. Get your own report now 👉 webperformancereport.com #webperf

Hey everyone! All our Web Performance reports are set for Sunday’s delivery! Our test report for Astronomer 😉 shows excellent Core Web Vitals results: 🟢 LCP 🟢 CLS 🟢 INP 👉 webperformancereport.com/report/wpt/2... #webperf #crux #corewebvitals #ux #seo

⚡Featured posts this week: ✨ @nuxtlabs.com is joining @vercel.com: @atinux.com ✨ Backend and Frontend Engineers Must Unite: Scott Moore ✨ PerfAgent is now publicly available: @webx.bsky.social ✨ Up and Coming ARIA: @webaim.bsky.social 🙏 Special thanks to the authors! #webperf

🎉 WebPerformance Report Week #28 is out! ✅ ⚙️ 🔍 Ready for next Week? Don’t miss out! ⚡ Web Performance Report: 👉 webperformancereport.com 🛡️ HTTP Security Report: 👉 webperformancereport.com/httpo/ #webperf #corewebvitals #ux #seo #cybersecurity #websecurity

Hey everyone! All our WebPerformance reports are set for Sunday’s delivery! Our test report for #Stripe shows excellent Core Web Vitals results: 🟢 LCP 🟢 CLS 🟢 INP 👉 webperformancereport.com/report/wpt/2... #webperf #crux #corewebvitals #ux #seo

We are excited to announce that NuxtLabs is joining @Vercel.com to pursue our mission on creating the best DX to deliver the best UX. Read more at nuxtlabs.com

June web performance data is now live on Theme Vitals - and we see the first data for Horizon rolling in. Spoiler alert: it’s pretty bad. #Shopify #webperf themevitals.com/newsletter/2...

⚡Featured posts this week: ✨ Conferences, Clarity, Smokescreens: @infrequently.org ✨ Real Perf Improvements 2025: @timvereecke.bsky.social @programmingart.bsky.social ✨ Snippets to Debug #WebPerf: @duffeh.bsky.social ✨ Performance Hero: Harry Roberts: ‪@speedcurve.com‬ 🙏 Thanks to the authors!

🎉 WebPerformance Report Week #27 is out! ✅ 🔍 Ready for next Week? Don’t miss out! ⚡ Web Performance Report: 👉 webperformancereport.com 🛡️ HTTP Security Report: 👉 webperformancereport.com/httpo/ #webperf #corewebvitals #ux #seo #cybersecurity #websecurity

Hey everyone! All our Web Performance reports are set for Sunday’s delivery! Our test report for Burger King shows significant Core Web Vitals issues: 🔴 LCP 🔴 CLS 🔴 INP 👉 Check out the full report: webperformancereport.com/report/wpt/2... #webperf #crux #corewebvitals #ux #seo

⚡Featured posts this week: ✨ How fix Speed Index on PS: @debugbear.com ✨ Building Web in Islands, Not Mountains: @denodell.bsky.social ✨ AI Search Less Than 1% of Traffic: @glenngabe.bsky.social ✨ Scroll-driven Animations with just CSS: @saron.bsky.social 🙏 Special thanks to the authors! #webperf

WebPerformance Report Week #26 is out! ✅ Dedicated to the loving memory of my grandmother, 1926–2025 🖤 – Edwin, Founder of WebPerformance Report

Hey guys, we’re ready for Sunday. We checked the WebPerformance of @forbes.com’s website before Sunday’s delivery. Everything looks good! Take a look at the report: 👉 webperformancereport.com/report/wpt/2... #webperf #crux #corewebvitals #ux #seo #forbes

⚡Featured posts this week: ✨ Measuring LCP in SPA: Florian Bücklers ✨ Firefox quietly starts testing Perplexity AI: @9to5mac.com ✨ JavaScript broke the web: @jono.id ✨ You can now build carousels with CSS!: @developer.mozilla.org 🙏 Special thanks to the authors! #webperf

🎉 WebPerformance Report Week #25 is out! ✅ 🔍 Ready for next Week? Don’t miss out! ⚡ Web Performance Report: 👉 webperformancereport.com 🛡️ HTTP Security Report: 👉 webperformancereport.com/httpo/ #webperf #corewebvitals #ux #seo #cybersecurity #websecurity

Hey guys, we’re ready for Sunday. We checked the WebPerformance of @Red Hat’s website before Sunday’s delivery. Everything looks good! Take a look at the report: 👉 webperformancereport.com/report/wpt/2... #webperf #crux #corewebvitals #ux #seo #redhat #tech

I was excited when @speedcurve.com reached out to me to build their #Shopify app - now it's easier to integrate full real-user performance data collection in Shopify storefronts and correlate that data with bounce rates and conversions. Now you can see exactly how #webperf impacts your bottom line!

⚡Featured posts this week: ✨ What’s new in Safari and WebKit: @saron.bsky.social ✨ How we’re adapting SEO for LLMs and AI search: Malte Ubl ✨ Optimized Fonts in Nuxt: Jakub Andrzejewski ✨ Why Chrome DevTools Isn’t Enough: Amila Welihinda 🙏 Special thanks to the authors. #webperf

🎉 WebPerformance Report Week #24 is out! ✅ 🔍 Ready for next Week? Don’t miss out! ⚡ Web Performance Report: 👉 webperformancereport.com 🛡️ HTTP Security Report: 👉 webperformancereport.com/httpo/ #webperf #corewebvitals #ux #seo #cybersecurity #websecurity

📈 Real user journey over 3 years. They don’t check reports once. 💪🏼 Reports. Decisions. Results. WebPerformance Report is a habit. 👉 Get your own report: webperformancereport.com #webperf #ux #corewebvitals #seo

⚡Featured posts this week from Perf Links: ✨ User Journeys vs. User Flows: Kate Kaplan ✨ React Application Lighter and Faster: Juntao Qiu ✨ What's new on Shopify WebPerf team?: Dan Gayle ✨ Performance Archaeology: @iamakulov.com 🙏 Special thanks to the authors. #webperf

🎉 WebPerformance Report Week #23 is out! ✅ Ready for next Week? Don’t miss out! ⚡ Web Performance Report: 👉 webperformancereport.com 🛡️ HTTP Security Report: 👉 webperformancereport.com/httpo/ #webperf #corewebvitals #ux #seo #cybersecurity #websecurity

🔔 Don’t have your report yet? You’re just in time to get this week’s WebPerformance Report. Used by experts at Google, Mozilla, Chanel, Airbnb, and more. Get your own report now: 👉 webperformancereport.com #webperf #ux #seo #websecurity #cybersecurity #martech #digitalmarketing

We checked the WebPerformance of Nintendo's website before Sunday’s delivery. Everything looks good! Take a look at the report: 👉 webperformancereport.com/report/wpt/2... #webperf #crux #corewebvitals #ux #seo #nintendo

⚡Featured posts this week from Perf Links: ✨ Perf debugging in DevTools: @paul.irish ✨ Improve LCP by Deprioritizing Scripts: @weston.ruter.net ✨ A11y Cat Accessibility Resources: Amin Amini ✨ Understanding semantic HTML: @developer.mozilla.org 🙏 Special thanks to the authors. #webperf

🎉 WebPerformance Report Week #22 is out! ✅ 🔍 Ready for next Week? Don’t miss out! ⚡ Web Performance Report: 👉 webperformancereport.com 🛡️ HTTP Security Report: 👉 webperformancereport.com/httpo/ #webperf #corewebvitals #ux #seo #cybersecurity #websecurity

We checked the WebPerformance of Y Combinator's website before Sunday’s delivery. Everything looks good! Take a look at the report: 👉 webperformancereport.com/report/wpt/2... #webperf #crux #corewebvitals #ux #seo #startup