New Render Blocking Indicator and...an Ecomm Perf Race?

We've added new indicators to WebPageTest highlight render blocking resources, Rick Viscomi does a CLS debug, and an Ecomm Perf Race [WebPageTest Logo] Render Blocking Indicator, CLS Debug, and...an Ecomm Perf Race a-brewin'? July 22, 2021 [Render blocking cover ] BLOG / NEW FEATURE New [Render Blocking Indicator]( in Chrome and WebPageTest Thanks to a new indicator provided by Chrome in their traces, we just started highlighting all render-blocking requests in our waterfalls, making it easier to quickly zero-in on blocking requests that may be causing significant bottlenecks in your page's performance. [Read more on our blog]( [Viz Compare] RICK VISCOMI ON DEV.TO Simulating Real Users in the Lab to [Debug CLS Issues]( (with WebPageTest) A baffled developer on StackOverflow couldn't figure out why they had such a poor CLS score. Rick Viscomi used WebPageTest to simulate the real-user behavior of scrolling the page down by injecting a script. A quick view of the film strip / video located the issue. [Read the Article]( [Screen Shot 2021-07-21 at 7.29.01 PM] VIDEO REPLAY We came, we saw, we [optimized CSS-Tricks]( live with Chris Coyier Is there a more fun person to do live web optimizations with than Chris Coyier??? He asked phenomenal questions and Tim delivered, finding a few areas for legitimate performance optimization. Too cool. [Watch the Video Replay]( [Ecomm Platform Performance] ARTICLE What happens when the major platforms start an [Ecomm performance race](? We all win. Fun little Twitter thread using the Chrome UX Report. Ilya jumps in with Shopify results - we can't wait to see how the Ecommerce platforms continue to push fast performance. [Read the thread]( Automate WebPageTest with the API If you're not using the API to run faster, automated tests or integrate front-end performance data into Github, Slack, Google Sheets, Grafana, or literally anywhere, now is the time. [Get the API]( ⚡ Did a friend send this to you? What a pal! [Sign up]( to get this email in your inbox every week. Also be sure to follow us on [Twitter]( and [Twitch](. We're hellbent on posting great web performance content! Catchpoint, 150 West 30th Street, Suite 3, New York, New York 10001, United States [Unsubscribe]( [Manage preferences](