Tested 2026-09-20 10:28:20 using Chrome (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 | 77 | 81 | 81 | 83 | 83 |
| Coach performance score | 74 | 85 | 83 | 87 | 87 |
| Privacy score | 75 | 80 | 79 | 80 | 80 |
| Best Practice score | 67 | 78 | 76 | 83 | 83 |
The user experience milestones, plus the classic navigation timings.
| Metric | min | median | mean | p90 | max |
|---|---|---|---|---|---|
| Largest Contentful Paint | 2.032 s | 2.430 s | 2.459 s | 2.944 s | 2.944 s |
| First Contentful Paint | 2.032 s | 2.372 s | 2.430 s | 2.944 s | 2.944 s |
| First Paint | 2.032 s | 2.372 s | 2.430 s | 2.944 s | 2.944 s |
| First Paint | 2.032 s | 2.372 s | 2.430 s | 2.944 s | 2.944 s |
| Cumulative Layout Shift | 0 | 0.0337 | 0.0255 | 0.0344 | 0.0344 |
| Total Blocking Time | 0 ms | 48 ms | 63 ms | 154 ms | 154 ms |
| Max Potential First Input Delay | 0 ms | 52 ms | 75 ms | 198 ms | 198 ms |
| Fully Loaded | 2.434 s | 3.068 s | 3.963 s | 7.284 s | 7.284 s |
| backEndTime | 971 ms | 1.499 s | 1.549 s | 2.228 s | 2.228 s |
| domContentLoadedTime | 1.765 s | 2.305 s | 2.317 s | 2.893 s | 2.893 s |
| domInteractiveTime | 1.765 s | 2.305 s | 2.317 s | 2.893 s | 2.893 s |
| domainLookupTime | 0 ms | 0 ms | 0 ms | 0 ms | 0 ms |
| frontEndTime | 583 ms | 680 ms | 1.646 s | 4.640 s | 4.640 s |
| pageDownloadTime | 17 ms | 508 ms | 448 ms | 757 ms | 757 ms |
| pageLoadTime | 2.309 s | 2.537 s | 3.642 s | 7.186 s | 7.186 s |
| redirectionTime | 0 ms | 0 ms | 0 ms | 0 ms | 0 ms |
| serverConnectionTime | 0 ms | 0 ms | 0 ms | 0 ms | 0 ms |
| serverResponseTime | 500 ms | 1.245 s | 1.178 s | 1.721 s | 1.721 s |
What the film strip shows: when content became visible on screen.
| Metric | min | median | mean | p90 | max |
|---|---|---|---|---|---|
| First Visual Change | 2.000 s | 2.384 s | 2.459 s | 3.067 s | 3.067 s |
| Speed Index | 2.145 s | 2.470 s | 2.589 s | 3.271 s | 3.271 s |
| Visual Complete 85% | 2.400 s | 2.851 s | 2.792 s | 3.067 s | 3.067 s |
| Visual Complete 95% | 2.400 s | 2.884 s | 3.534 s | 5.967 s | 5.967 s |
| Visual Complete 99% | 2.700 s | 2.967 s | 3.783 s | 6.500 s | 6.500 s |
| Last Visual Change | 2.700 s | 2.967 s | 3.783 s | 6.500 s | 6.500 s |
| Largest Image | 2.400 s | 2.851 s | 3.517 s | 5.967 s | 5.967 s |
| Heading | 2.400 s | 2.851 s | 3.517 s | 5.967 s | 5.967 s |
Main thread work: long tasks block the page from reacting to input.
| Metric | min | median | mean | p90 | max |
|---|---|---|---|---|---|
| CPU Long Tasks | 0 | 2 | 2 | 5 | 5 |
| CPU Long Tasks total duration | 0 ms | 264 ms | 346 ms | 857 ms | 857 ms |
| CPU Parse HTML | 19 ms | 86 ms | 90 ms | 170 ms | 170 ms |
| CPU Style Layout | 40 ms | 334 ms | 350 ms | 691 ms | 691 ms |
| CPU Paint Composite Render | 21 ms | 83 ms | 72 ms | 100 ms | 100 ms |
| CPU Script Parse Compile | 2 ms | 3 ms | 3 ms | 4 ms | 4 ms |
| CPU Script Evaluation | 124 ms | 209 ms | 239 ms | 416 ms | 416 ms |
Bytes over the wire, by content type.
| Metric | min | median | mean | p90 | max |
|---|---|---|---|---|---|
| Image size | 2.7 KB | 79.6 KB | 118.6 KB | 312.5 KB | 312.5 KB |
| HTML size | 10.6 KB | 175.1 KB | 193.7 KB | 413.9 KB | 413.9 KB |
| CSS size | 32.6 KB | 33.1 KB | 33.7 KB | 35.8 KB | 35.8 KB |
| Javascript size | 44.0 KB | 170.8 KB | 169.6 KB | 292.7 KB | 292.7 KB |
| Font size | 0 b | 0 b | 0 b | 0 b | 0 b |
| Total size | 406.8 KB | 525.6 KB | 558.8 KB | 777.1 KB | 777.1 KB |
How many round trips the browser needed to build the page.
| Metric | min | median | mean | p90 | max |
|---|---|---|---|---|---|
| Image requests | 1 | 9 | 13 | 35 | 35 |
| CSS requests | 1 | 1 | 2 | 4 | 4 |
| Javascript requests | 2 | 3 | 4 | 9 | 9 |
| Font requests | 0 | 0 | 0 | 0 | 0 |
| Total requests | 14 | 22 | 50 | 143 | 143 |
Everything that is not a 2xx is a detour: redirects cost time, 4xx/5xx are errors.
| Metric | min | median | mean | p90 | max |
|---|---|---|---|---|---|
| 200 responses | 12 | 19 | 31 | 74 | 74 |
| 202 responses | 1 | 2 | 2 | 2 | 2 |
| 302 responsesredirect heavy | 3 | 35 | 35 | 67 | 67 |