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HTTP/3 is Fast!

Feb 19, 2025 By Request Metrics In Request Metrics
HTTP/3 is here, and it’s a big deal for web performance. See just how much faster it makes websites! Wait, wait, wait, what happened to HTTP/2? Wasn’t that all the rage only a few short years ago? It sure was, but there were some problems. To address them, there’s a new version of the venerable protocol working its way through the standards track. Ok, but does HTTP/3 actually make things faster? It sure does, and we’ve got the benchmarks to prove it.
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How to Optimize Website Images: The Complete 2025 Guide

Feb 4, 2025 By Request Metrics In Request Metrics
Images are big. Really big. The bytes required for an image dwarf most site’s CSS and JavaScript assets. Slow images will damage your Core Web Vitals, impacting your SEO and costing you traffic. Images are usually the element driving Largest Contentful Paint and load delays can increase your Cumulative Layout Shift. If you’re not familiar with these metrics, check them out in the Definitive Guide to Measuring Web Performance.
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Unified Web Performance: Real User Monitoring and Automatic Lighthouse Testing

Jan 13, 2025 By Todd H. Gardner In Request Metrics
At Request Metrics, we’re always looking for ways to help you make your websites faster and your users happier. Today, we’re excited to announce a major new capability: Unified Performance Monitoring. Request Metrics now combines the power of real-user monitoring with automated lab performance testing to get a complete picture of your website’s performance.
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Fixing Long Animation Frames (LoAF)

Oct 31, 2024 By Todd H. Gardner In Request Metrics
You’ve found some Long Animation Frames (LoAFs) impacting your site, now you need to fix them! LoAFs can make animations feel sluggish, delay user interactions, and generally reduce your site’s responsiveness, all of which contribute to a frustrating experience for users. Fortunately, by analyzing LoAF data and addressing common performance bottlenecks, you can dramatically improve how smoothly your site runs.
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Request Metrics and Perforator - Combining RUM and Load Testing

Oct 22, 2024 By Todd H. Gardner In Request Metrics
Your website’s performance can make or break your business. Slow load times, crashes under pressure, and a poor user experience can cost you customers, reduce your search engine rankings, and hurt your bottom line. That’s why monitoring and testing your site’s performance is critical—but not all performance monitoring is the same. At Request Metrics, we focus on Real User Monitoring (RUM), which shows you how real users are experiencing your website in real-time.
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What are Long Animation Frames (LoAF)

Oct 17, 2024 By Todd H. Gardner In Request Metrics
A Long Animation Frame, often called a LoAF, occurs when your website’s animations take too long to render, slowing down interactions and making your site feel “frozen” or “janky.” And yes, it’s hilarious that it sounds like a loaf of bread—so get ready for plenty of bread, butter, and toasting puns! You might be thinking, “I’m building an online store (or whatever), what do I care about animations? I’m not talking about cartoons.
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Measuring Largest Contentful Paint with Request Metrics

Oct 8, 2024 By Request Metrics In Request Metrics
Measuring Largest Contentful Paint (LCP) is important because it helps you understand how quickly the main content of a web page loads and becomes visible to users. LCP focuses on when the largest visible element—like a hero image, heading, or video—renders in the viewport, making it a key indicator of perceived load speed. Optimizing for LCP ensures faster, smoother interactions, enhancing both user satisfaction and search engine ranking. Let's see how you can get to the bottom of any LCP problems in Request Metrics!
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The Chrome UX Report: Why Real Data Matters

Sep 23, 2024 By Todd H. Gardner In Request Metrics
Everyone in web performance talks about CrUX—what the heck is it?! CrUX, or the Chrome User Experience Report, is Google’s initiative to measure how websites perform for their real users. It’s not just another test, it’s a window into the actual experience people have when they visit a site. Wait—didn’t Googlebot and PageSpeed Insights already do this? Are they going away? Not exactly.
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