Lighthouse

Lighthouse is a free auditing tool from Google that grades a web page and hands back specific fixes across five areas: performance, accessibility, best practices, SEO, and progressive-web-app readiness. Each area scores from 0 to 100, and a performance score above 90 is considered good. You can run it inside Chrome's developer tools, through PageSpeed Insights, or from the command line for automated testing. One thing to keep in mind: Lighthouse simulates a throttled mid-range phone, so its numbers reflect a lab test rather than your real visitors, which is why you confirm anything important against field data from PageSpeed Insights or Search Console.

January 3, 2026

Lighthouse scores vs real WordPress performance: what actually matters

Lighthouse scores measure what a 30-second synthetic test sees. Real WordPress performance is the user, page, and template view. Here is how…
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