Server Timing: Measure And Track Backend Performance
Learn what the Server-Timing header is and how to track server-side performance metrics.
DebugBear Blog
DebugBear Blog
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Network Efficiency Guardrails: Detect Web Performance Issues
Learn how to detect hidden network performance problems before they impact your users. This guide explains Microsoft's new Network Efficiency Guardrails, how they use Document Policy and the Reporting API to detect inefficient resource loading, how to enable them in Microsoft Edge, and how to configure them in a Nuxt 4 application.
Find Hidden Render-Blocking Requests with the Website Bottleneck Finder
Chrome's render-blocking label doesn't always fully illustrate which resources are impacting a page's First Contentful Paint (FCP), Largest Contentful Paint (LCP) or H1-visible metrics. We recently introduced our website bottleneck finder tool to help you find resources on your page that might be impacting these metrics but are not considered blocking by Chrome.
Implement Website Best Practices With Lighthouse
A guide to every audit in Lighthouse's Best Practices category and how to fix failures in order to reach a score of 100.
What's The Fastest Post Office Website In Europe?
An analysis of European Post Office websites to see which websites perform best across the Core Web Vitals.
WebMCP: Optimize Your Website for AI Agents
Learn how WebMCP enables AI agents to interact with websites through structured tools instead of traditional browser automation. This guide explains how WebMCP works, how it compares to DOM-based approaches, and how to validate your WebMCP implementation using Lighthouse and DebugBear.
What's The Fastest Train Booking Website In Europe?
An analysis of 25 European train websites to discover which website performs best across the Core Web Vitals.
How Does Indaru Ecometrics Calculate Website Carbon Footprint?
A look at how the Indaru Ecometrics plugin estimates website CO2 emissions using page weight, visitor device, location, and time on page.
How To Set Up Performance Alerts On Your Website
Learn how to set up performance budgets to monitor Core Web Vitals and other key metrics such as Time To First Byte and First Contentful Paint.
Smarter Website Caching With No-Vary-Search
Learn how No-Vary-Search improves caching for URLs with query parameters. This article explains how the header works, when it increases cache efficiency, and when to avoid it.