Reference library
Tool Guide
Practical documentation for specific tools.
4 references · 4 free · Beginner / Intermediate
| Title | Author / publisher | Year | Level | Cost |
|---|---|---|---|---|
| Lighthouse Documentation ↗ Official documentation for Lighthouse, the open-source lab auditing tool that scores performance, accessibility, best practices and SEO, and explains how each audit is computed. developer.chrome.com | Google Chrome team | , | Intermediate | Free |
| PageSpeed Insights ↗ Google's public tool combining CrUX field data with a Lighthouse lab run for a single URL or origin. The standard reference point when discussing Core Web Vitals with stakeholders. pagespeed.web.dev | , | Beginner | Free | |
| Rich Results Test ↗ Google's official validator for structured data eligibility, showing the rendered HTML Googlebot sees and which rich result types a page qualifies for. search.google.com | , | Beginner | Free | |
| Schema Markup Validator ↗ The schema.org-hosted validator for generic structured data correctness, independent of whether a type is eligible for a Google rich result. validator.schema.org | Schema.org | , | Beginner | Free |