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Tim Kadlec is back with a great post on JavaScript Memory Usage across the web, Telegraph made a mas
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Tim Kadlec is back with a great post on JavaScript Memory Usage across the web, Telegraph made a massive CLS improvement, and more [WebPageTest Logo] Memory, CLS Triumph, & A Few Good Links June 16, 2021 [MemoryBlogImage] NEW BLOG JavaScript memory usage is higher than expected across the web. It's time to [take a closer look.]( Memory usage has a real impact on users, but without backing data, it's largely ignored in the performance and development world. Tim Kadlec steps up to the plate to answer the following: ð§ Memory Benchmarks - How much JS and DOM memory does the web use and what should your site aim for? â¡Performance Correlations - How does memory usage correlate to key performance metrics? Hint: TBT. ð¸ï¸ Variation across web frameworks - Does memory consumption vary across Angular, jQuery, React, and Vue? [Read the Article]( [CLSTelegraph] BLOG Telegraph massively improved CLS with a little help from WebPageTest's 'Highlight Layout Shifts' & shared [how they did it](. These are the stories we live for. Telegraph provides a masterclass on reducing Cumulative Layout Shifts by focused on adverts, images, headers, and embeds. [Read the Article]( [Screen Shot 2021-06-16 at 11.34.59 AM] WEBPAGETEST LIVE REPLAY Missed Tim's live session on the Hidden Gems in WebPageTest? [View the replay here.]( [Disclaimer] The audio quality isn't perfect, but we're working on smoothing out for the next stream. [Forum-1] WEBPAGETEST FORUM Great WebPageTest [forum thread]( on LCP and why it varied across tests. Hint: fonts. ð A few good links [Introducing Aurora: A collaboration between Chrome and open-source web frameworks & tools (web.dev)]( [Correlating Lighthouse scores to page-level CrUX data Analysis (Rick Viscomi in HTTP Archive forum)]( [Conformance for Frameworks (web.dev)]( [This is why you might not see LCP Element in WebPageTest (Hariom Balhara Blog)]( WebPageTest API promo pricing ends July 1 If you're not using the API to integrate front-end performance data into Github, Slack, Google Sheets, Grafana, or literally anywhere, now is the time. [Check out the API]( [logotwitter-mac] Follow WebPageTest [on Twitter]( Catchpoint, 150 West 30th Street, Suite 3, New York, New York 10001, United States [Unsubscribe]( [Manage preferences](