Tested 2026-09-20 13:55:00 using Firefox (script).(runtime settings)
Every collected metric, grouped by what it tells you, with min / median / mean / p90 / max across all runs. Click a column header to sort.
How the Coach rates the pages, 0–100; higher is better.
| Metric | min | median | mean | p90 | max |
|---|---|---|---|---|---|
| Coach score | 73 | 83 | 80 | 83 | 83 |
| Coach performance score | 79 | 90 | 88 | 92 | 92 |
| Privacy score | 74 | 80 | 78 | 80 | 80 |
| Best Practice score | 52 | 62 | 60 | 65 | 65 |
The user experience milestones, plus the classic navigation timings.
| Metric | min | median | mean | p90 | max |
|---|---|---|---|---|---|
| Largest Contentful Paint | 1.175 s | 2.469 s | 2.724 s | 4.783 s | 4.783 s |
| First Contentful Paint | 1.175 s | 2.138 s | 2.224 s | 3.444 s | 3.444 s |
| First Paint | 1.174 s | 2.138 s | 2.223 s | 3.444 s | 3.444 s |
| Fully Loaded | 1.531 s | 3.073 s | 3.148 s | 4.915 s | 4.915 s |
| backEndTime | 636 ms | 1.557 s | 1.577 s | 2.558 s | 2.558 s |
| domContentLoadedTime | 1.464 s | 2.378 s | 2.419 s | 3.454 s | 3.454 s |
| domInteractiveTime | 1.458 s | 2.238 s | 2.346 s | 3.451 s | 3.451 s |
| domainLookupTime | 0 ms | 0 ms | 0 ms | 0 ms | 0 ms |
| frontEndTime | 934 ms | 1.210 s | 1.399 s | 2.241 s | 2.241 s |
| pageDownloadTime | 0 ms | 0 ms | 4 ms | 17 ms | 17 ms |
| pageLoadTime | 1.905 s | 2.608 s | 2.980 s | 4.799 s | 4.799 s |
| redirectionTime | 0 ms | 0 ms | 0 ms | 0 ms | 0 ms |
| serverConnectionTime | 0 ms | 0 ms | 0 ms | 0 ms | 0 ms |
| serverResponseTime | 385 ms | 546 ms | 564 ms | 779 ms | 779 ms |
What the film strip shows: when content became visible on screen.
| Metric | min | median | mean | p90 | max |
|---|---|---|---|---|---|
| First Visual Change | 1.233 s | 2.167 s | 2.275 s | 3.534 s | 3.534 s |
| Speed Index | 1.476 s | 2.316 s | 2.429 s | 3.607 s | 3.607 s |
| Visual Complete 85% | 2.300 s | 2.717 s | 2.817 s | 3.534 s | 3.534 s |
| Visual Complete 95% | 2.300 s | 2.717 s | 2.875 s | 3.767 s | 3.767 s |
| Visual Complete 99% | 3.334 s | 3.583 s | 3.834 s | 4.834 s | 4.834 s |
| Last Visual Change | 3.334 s | 3.717 s | 4.109 s | 5.667 s | 5.667 s |
| Largest Image | 2.300 s | 2.717 s | 3.017 s | 4.334 s | 4.334 s |
| Heading | 2.300 s | 2.717 s | 3.017 s | 4.334 s | 4.334 s |
Bytes over the wire, by content type.
| Metric | min | median | mean | p90 | max |
|---|---|---|---|---|---|
| Image size | 5.0 KB | 44.4 KB | 88.4 KB | 259.8 KB | 259.8 KB |
| HTML size | 10.8 KB | 175.0 KB | 193.6 KB | 413.7 KB | 413.7 KB |
| CSS size | 32.7 KB | 33.4 KB | 34.0 KB | 36.5 KB | 36.5 KB |
| Javascript size | 44.1 KB | 171.5 KB | 170.1 KB | 293.2 KB | 293.2 KB |
| Font size | 0 b | 0 b | 0 b | 0 b | 0 b |
| Total size | 404.7 KB | 497.9 KB | 541.9 KB | 766.9 KB | 766.9 KB |
How many round trips the browser needed to build the page.
| Metric | min | median | mean | p90 | max |
|---|---|---|---|---|---|
| Image requests | 2 | 8 | 10 | 24 | 24 |
| CSS requests | 1 | 4 | 3 | 4 | 4 |
| Javascript requests | 3 | 4 | 5 | 9 | 9 |
| Font requests | 0 | 0 | 0 | 0 | 0 |
| Total requests | 19 | 40 | 46 | 84 | 84 |
Everything that is not a 2xx is a detour: redirects cost time, 4xx/5xx are errors.
| Metric | min | median | mean | p90 | max |
|---|---|---|---|---|---|
| 200 responses | 15 | 38 | 38 | 63 | 63 |
| 202 responses | 1 | 2 | 2 | 2 | 2 |
| 302 responsesredirect heavy | 3 | 11 | 11 | 19 | 19 |
