Detached window memory leaks
Find and fix tricky memory leaks caused by detached windows.
Content delivery networks (CDNs)
Improve performance by using a content delivery network.
How Mercado Libre optimized for Web Vitals (TBT/FID)
Optimizing interactivity of product details pages for a 90% reduction in Max Potential FID in Lighthouse and a 9% improvement in FID in Chrome User Experience Report.
`content-visibility`: the new CSS property that boosts your rendering performance
Improve initial load time by skipping the rendering of offscreen content.
Building a PWA at Google, part 1
What the Bulletin team learned about service workers while developing a PWA.
Performance monitoring with Lighthouse CI
How to add Lighthouse to a continuous integration system, such as GitHub Actions.
It's time to lazy-load offscreen iframes!
Browser-level built-in lazy-loading for iframes is here
Relating site speed and business metrics
Leverage A/B testing to evaluate the impact of site speed on your business metrics.
Web developer tools for debugging JavaScript issues in Google Search
How to debug SEO issues on individual pages or across an entire site.
Milliseconds make millions
A 0.1 second improvement in 4 speed metrics can improve progression rates across the full purchase funnel.
Tools to measure Core Web Vitals
Your favorite developer tools can now measure the Core Web Vitals.
Best practices for measuring Web Vitals in the field
How to measure Web Vitals with your current analytics tool.
Defining the Core Web Vitals metrics thresholds
The research and methodology behind Core Web Vitals thresholds
What's New in Lighthouse 6.0
New metrics, Performance score update, new audits, and more.
Optimize Largest Contentful Paint
A step-by-step guide on how to break down LCP and identify key areas to improve.
Optimize Cumulative Layout Shift
Learn how to avoid sudden layout shifts to improve user-experience
Optimize First Input Delay
How to respond faster to user interactions.
Profiling Web Audio apps in Chrome
Learn how to profile the performance of Web Audio apps in Chrome using about://tracing and the WebAudio extension in Chrome DevTools.
Improved Next.js and Gatsby page load performance with granular chunking
A newer webpack chunking strategy in Next.js and Gatsby minimizes duplicate code to improve page load performance.
Ensure your website is available and usable for everyone during COVID-19
How to ensure that the core functionality of your website is always available, accessible, secure, usable, discoverable, and fast.