WebPerformance Report

The poll is closed and the result is clear.

Google Analytics (GA4) won 🎉

Thanks everyone for the votes and feedback.
This helps us shape the next step of our Reporting-as-a-Service platform.

More updates soon 👀

github.com/WebPerforman...

⚡Featured posts this week from Perf Links by WebPerformance Report:

⚡Featured posts this week:
✨ Announcing Web Quality Skills: @addyosmani.bsky.social & @vercel.com
✨ The state of real-world CSS usage, 2026: @veneman.dev
✨ Debugging with AI: @adevnadia.bsky.social
✨ Sitecore AI – Integrating PageSpeed: Gabriel Baldeon
🙏 Special thanks to the authors!
#webperf

🎉 WebPerformance Report Week #06 is out! ✅

🎉 WebPerformance Report Week #06 is out! ✅
🔍 Ready for next Week? Don’t miss out!
⚡ Web Performance: 👉 webperformancereport.com
🛡️ HTTP Security: 👉 webperformancereport.com/httpo/
♿️ A11ty: 👉 webperformancereport.com/wave/
#webperf #websecurity #accessibility #a11ty #ai

🔥 New feature live: Recipients

🔥 New feature live: Recipients

Founder Program users can now add recipients and deliver reports to teams, clients, and stakeholders.

Knowledge creates impact only when it’s shared.

Founder Program: 👉 airtable.com/appIVRYEAq6N...
New users: 👉 webperformancereport.com

As part of our 360° Web Performance Vision, we are preparing to launch our first private report as the next step of our Reporting-as-a-Service (RaaS) platform 🚀 The report will be generated using… | ... As part of our 360° Web Performance Vision, we are preparing to launch our first private report as the next step of our Reporting-as-a-Service (RaaS) platform 🚀 The report will be generated using you...

We are about to launch our first private report for WebPerformance Report.

Which data source should come first?

Vote on LinkedIn 👇
www.linkedin.com/feed/update/...

github.com/WebPerforman...

⚡Featured posts this week:

⚡Featured posts this week:
✨ Perf | 2025 | Web Almanac: @httparchive.org hive
✨ Lightweight Latency Measurement with Server-Timing: @fastly.com
✨ Front-end Debugging Handbook: Lala Hakobyan
✨ Token usage in AI assistance: Alina Varkki
🙏 Special thanks to the authors!
#webperf

🎉 WebPerformance Report Week #05 is out! ✅

🎉 WebPerformance Report Week #05 is out! ✅
🔍 Ready for next Week? Don’t miss out!
⚡ Web Performance Report: 👉 webperformancereport.com
🛡️ HTTP Security Report: 👉 webperformancereport.com/httpo/
♿️ A11ty Report: 👉 webperformancereport.com/wave/
#webperf #websecurity #accessibility #a11ty #ai

⚡Featured posts this week from Perf Links by WebPerformance Report:

⚡Featured posts this week:
✨ State of UX 2026: @nngroupux.bsky.social
✨ Guide to Japan SEO: Jeff Crawford
✨ SEO | 2025 | The Web Almanac: @chris-green.net
✨ The Web is Changing: James LePage
🙏 Special thanks to the authors!
#webperf

🎉 WebPerformance Report Week #04 is out! ✅

🎉 WebPerformance Report Week #04 is out! ✅
🔍 Ready for next Week? Don’t miss out!
⚡ Web Performance Report: 👉 webperformancereport.com
🛡️ HTTP Security Report: 👉 webperformancereport.com/httpo/
♿️ A11ty Report: 👉 webperformancereport.com/wave/
#webperf #websecurity #accessibility #a11ty #ai

Perf Comics Stories about Web Performance by WebPerformance Report

This happens more often than we think. 🤔
#webperf

⚡Featured posts this week from Perf Links by WebPerformance Report:

⚡Featured posts this week:
✨ @astro.build Tech Company joins @cloudflare.social : Fred Schott
✨ The 2025 Web Almanac by HTTP Archive: @httparchive.org
✨ Making Sense of Next.js Caching for SEOs: @willkennard.com
✨ 25 years of #Drupal: Dries Buytaert
🙏 Special thanks to the authors!
#webperf

🎉 WebPerformance Report Week #03 is out! ✅

🎉 WebPerformance Report Week #03 is out! ✅
🔍 Ready for next Week? Don’t miss out!
⚡ Web Performance Report: 👉 webperformancereport.com
🛡️ HTTP Security Report: 👉 webperformancereport.com/httpo/
♿️ A11ty Report: 👉 webperformancereport.com/wave/
#webperf #websecurity #accessibility #a11ty #ai

A young Michael Jackson wearing the red leather jacket w/ the black trims, eating popcorn rinse a theatre with some ppl behind him

Get your 🍿 ready. I've published a Bunch of new episodes:

✨ SPDY STREAM ✨
Episodes 17 18 19 w @verlok.bsky.social @mattzeunert.com + Edwin of @webperfreport.bsky.social
🔗 bit.ly/spdy-streams

✨ SPDY MEETUP 004 ✨
with @rbyers.net + @serg.tech
🔗 bit.ly/spdy-meetups
They're long weekend ready! Enjoy.

AI Insight. Executive summary for this report: Our website's Core Web Vitals show a strong positive trend, with LCP improving by 0.227 seconds to an excellent 0.981 seconds since the last report. This significant load speed enhancement directly improves user experience, bolstering engagement and conversion rates. Our CLS and TBT metrics remain perfectly optimized, maintaining an exceptional overall performance. Sustaining these top-tier speeds ensures a competitive advantage and reinforces user trust for continued business growth.

Love your new insights section! Mainly because it's glazing me more and more every week 😅

Love that, Ryan @twnsnd.com 😄
That’s exactly what we want every week.

github.com/WebPerforman...

⚡Featured posts this week from Perf Links by WebPerformance Report:

⚡Featured posts this week:
✨ Web dependencies are broken: @lea.verou.me
✨ 2026 CSS wishlist: @knowler.dev
✨ Payments and web perf data in Sidekick: Khalid Chao #shopify
✨ Improving LCP for Video Hero Components: @aarontgrogg.com
🙏 Special thanks to the authors!
#webperf

🎉 WebPerformance Report Week #02 is out! ✅

🎉 WebPerformance Report Week #02 is out! ✅
🔍 Ready for next Week? Don’t miss out!
⚡ Web Performance Report: 👉 webperformancereport.com
🛡️ HTTP Security Report: 👉 webperformancereport.com/httpo/
♿️ A11ty Report: 👉 webperformancereport.com/wave/
#webperf #websecurity #accessibility #a11ty #ai

Side-by-side screenshot showing a WebPerformance Report email with Core Web Vitals metrics and a highlighted “Need Expert Guidance?” call-to-action on the left, and a web form titled “Request Expert Guidance from our Technical Partners” on the right, where users can enter contact details and select technical partners (Digital Loop or PerfReviews).

When web performance degrades, the impact is immediate.

Conversions drop. UX suffers. SEO follows.

The problem? These issues are often detected too late.

github.com/WebPerforman...

⚡Featured posts this week from Perf Links by WebPerformance Report:

⚡Featured posts this week:
✨ Web Perf Calendar 2025 Edition: @stoyan.me
✨ Web Accessibility Predictions for 2026: @webaim.bsky.social
✨ SEO in 2026: The AI Evolution: @dergal.bsky.social
✨ Top 5 Web Security Threats of 2025: @thehackernews.bsky.social
🙏 Special thanks to the authors!
#webperf

🎉 WebPerformance Report Week #01 is out! ✅

🎉 WebPerformance Report Week #01 is out! ✅
🔍 Ready for next Week? Don’t miss out!
⚡ Web Performance Report: 👉 webperformancereport.com
🛡️ HTTP Security Report: 👉 webperformancereport.com/httpo/
♿️ A11ty Report: 👉 webperformancereport.com/wave/
#webperf #websecurity #accessibility #a11ty #ai

Chrome DevTools Features I Use All the Time (and Why You Should Too) Most developers open Chrome DevTools, check a couple of network requests, maybe refresh the page once or twice — and that's it. I used to do the same. Over time, DevTools became something else entir...

Web Performance Calendar day 31 article 2/5: @keerthanak17.bsky.social on making friends with Chrome DevTools and transforming it into a powerful tool for deep understanding, debugging, and improving of real-world web performance

calendar.perfplanet.com/2025/chrome-...

github.com/WebPerforman...

⚡Featured posts this week from Perf Links by WebPerformance Report:

⚡Featured posts this week:
✨Why Your Server Is Paying for Your CSS: David Lewis
✨Nuxt Scripts for improved Perf and Sec: @jacobandrewsky.bsky.social
✨Chasing BFCache navigations: Nicolas Hodin
✨TTFB doesn’t mean what you think: @programmingart.bsky.social
🙏Special thanks to the authors!
#webperf

🎉 WebPerformance Report Week #52 is out! ✅ 🎇 🍾

🎉 WebPerformance Report Week #52 is out! ✅ 🎇 🍾
🔍 Ready for next Week? Don’t miss out!
⚡ Web Performance Report: 👉 webperformancereport.com
🛡️ HTTP Security Report: 👉 webperformancereport.com/httpo/
♿️ A11ty Report: 👉 webperformancereport.com/wave/
#webperf #websecurity #accessibility #a11ty #ai

TTFB doesn't mean what you think it means Time-To-First-Byte (TTFB) is a popular performance metric, yet there are many problems and nuances with it. Not only does it have several different definitions, it is usually also a "compound" metric,...

Web Performance Calendar day 24 with @programmingart.bsky.social on TTFB. Yes, it's one of those X-mas Eves where we cuddle by the fire, drop everything and immerse into re-learning and re-evaluating what we thought we knew about a concept we use daily
calendar.perfplanet.com/2025/ttfb-do...

This week’s Perf Links (and previous weeks) are available here:
👉 github.com/WebPerforman...