Tutorials and guides on web performance, Core Web Vitals, and using AI agents to fix site speed issues.
Five high-impact, low-effort changes that improve Lighthouse performance scores on almost any website — with code examples for Next.js, WordPress, and plain HTML.
A complete workflow for using ChatGPT to diagnose and fix Core Web Vitals failures — from exporting your Lighthouse data to writing and reviewing the actual code changes.
Three methods to export Google PageSpeed Insights results as JSON — the PSI API, the CLI, and PageSpeed Exporter — with full instructions for each and a guide to the output format.
A detailed, side-by-side technical comparison of Google PageSpeed Insights, GTmetrix, and WebPageTest — covering data quality, AI workflow compatibility, pricing, and which tool is right for each use case.
A step-by-step tutorial showing how to export your Lighthouse JSON report and use ChatGPT, Claude, or Cursor to get exact code-level fixes for a poor Largest Contentful Paint score.
Everything you need to know about the Lighthouse JSON format — what every field means, how the data is structured, and how to extract the information AI agents need to fix your site's performance.
