Performance report
The Performance report covers Core Web Vitals, speed metrics, and network diagnostics, with fastest- and slowest-page leaderboards.
The Performance report scores how fast pages load and surfaces the pages and resources holding the site back. Page speed is a direct Google ranking signal through Core Web Vitals, and a slow page loses conversions before it loses rankings. This report isolates both which pages are slow and what is slowing them.
Score and Core Web Vitals
The report opens with a performance score and its distribution across pages, built from the Core Web Vitals and speed metrics below. Each metric grades against the same thresholds Google uses:
| Metric | Good | Needs work | Poor |
|---|---|---|---|
| LCP (Largest Contentful Paint) | < 2.5s | 2.5–4s | > 4s |
| CLS (Cumulative Layout Shift) | < 0.1 | 0.1–0.25 | > 0.25 |
| FCP (First Contentful Paint) | < 1.8s | 1.8–3s | > 3s |
| Speed Index | < 3s | 3–5s | > 5s |
| TBT (Total Blocking Time) | < 200ms | 200–600ms | > 600ms |
LCP and CLS are the two Core Web Vitals Google ranks on directly. FCP, Speed Index, and TBT explain why a page is slow: render delay, progressive loading, or main-thread blocking.
Leaderboards and diagnostics
Beyond the scores, the report ranks pages and pinpoints the causes.
- Leaderboards — fastest and slowest pages, high performers, and pages that need attention, so the worst offenders are one click away
- Network diagnostics — DNS issues, SSL issues, slow lookups, and long transfers, the connection-level delays that page-level optimization can't fix
- Industry-leaders benchmark — a comparison point for how the score reads against strong sites in the same space
Start from the slowest pages leaderboard, not the site average. A handful of heavy templates usually drags the whole distribution down, so fixing them lifts the score across every page that shares the template.
A per-page detail view breaks the metrics down for a single URL, with resource and HAR-level analysis. An AI insight reads the findings back as fixes.
