Optimizing CSS-Tricks, Lazy Loading, and Render Blocking

This is a special Monday edition of the newsletter with our next stream tomorrow and great articles on Lazy Loading and Render Blocking [WebPageTest Logo] Optimizing CSS-Tricks, Lazy Loading, Boop Attacks, and Render-Blocking July 19, 2021 [Optimizing CSS-Tricks Livestream] WEBPAGETEST LIVE Tim is teaming up with Chris Coyier to optimize CSS-Tricks [tomorrow on Twitch.]( CSS-Tricks is one of the best learning sites around for front-end developers and we're going to analyze it's performance and make it faster live on air. Here are [all the time zones]( for folks outside the US. [Follow the Channel to Watch]( p.s. We're giving away WebPageTest t-shirts within in the stream so don't miss out! [WPT Tee Navy] [Screen Shot 2021-07-16 at 12.27.20 PM] GOOGLE WEB.DEV The Performance Effects of [Too Much Lazy-Loading]( Rick Viscomi and Felix Arntz provide a detailed overview of lazy load adoption throughout the web, its impact on Core Web Vitals metrics, and suggestions on how to load images optimally to achieve fewer bytes loaded and improved Core Web Vitals. [Read the Article]( [Screen Shot 2021-07-16 at 12.06.26 PM] LEARN WITH JASON This was so much fun. Tim joined [Learn with Jason]( to live audit and talk web performance with Jason Lengstorf (and avoid a "boop" attack). [Watch the Session]( [BUFFALO] ARTICLE How to Eliminate Render-Blocking Resources: a [Deep Dive]( Sia Karamalegos wrote a fantastic article on how to identify and eliminate render-blocking resources and optimize CSS and JavaScript for the critical rendering path. Well worth the read! [Read the Article]( WebPageTest API promo pricing expires soon 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 at a Discount]( ⚡ 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](