Website Speed & Performance Audit

Lighthouse Lab Data simulates your page loading in a standardized, controlled environment with fixed device specifications and artificial CPU/network throttling. Field Data (Chrome UX Report) aggregates actual 28-day performance metrics from real Chrome users visiting your site across a variety of hardware, networks, and geographies.

Estimated savings indicate the potential time or payload reduction achievable on the critical rendering path under standardized throttling conditions. They are diagnostic benchmarks rather than absolute guarantees of end-to-end wall-clock speed improvements across every device.

No. Core Web Vitals and page speed are confirmed Google ranking signals, but search engine algorithms prioritize content relevance, search intent, domain authority, and backlinks. A high performance score ensures technical speed does not hinder your visibility, but content quality remains paramount.

Running all four Lighthouse categories (Performance, Accessibility, Best Practices, SEO) in a single request significantly increases execution duration and timeout risk. To guarantee rapid and reliable results, the default scan analyzes Performance, with an optional on-demand button to run all categories when needed.

To fix unused JavaScript, split large bundles with dynamic imports (e.g. React.lazy) and defer non-critical third-party analytics. For render-blocking resources, add defer or async attributes to your script tags and inline critical above-the-fold CSS.