Tested 2026-09-17 15:34:47 using Chrome (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 | 66 | 77 | 76 | 79 | 89 |
| Coach performance score | 60 | 79 | 77 | 82 | 100 |
| Privacy score | 65 | 71 | 69 | 71 | 87 |
| Best Practice score | 57 | 91 | 89 | 91 | 98 |
The user experience milestones, plus the classic navigation timings.
| Metric | min | median | mean | p90 | max |
|---|---|---|---|---|---|
| Largest Contentful Paint | 144 ms | 1.636 s | 1.828 s | 3.284 s | 8.404 s |
| First Contentful Paint | 144 ms | 428 ms | 507 ms | 760 ms | 3.232 s |
| First Paint | 144 ms | 428 ms | 500 ms | 756 ms | 3.232 s |
| First Paint | 144 ms | 428 ms | 500 ms | 756 ms | 3.232 s |
| Cumulative Layout Shift | 0 | 0.0001 | 0.0074 | 0.0138 | 0.2513 |
| Total Blocking Time | 0 ms | 256 ms | 317 ms | 612 ms | 1.218 s |
| Max Potential First Input Delay | 0 ms | 131 ms | 157 ms | 240 ms | 603 ms |
| Fully Loaded | 181 ms | 7.253 s | 7.454 s | 8.355 s | 12.489 s |
| backEndTime | 68 ms | 184 ms | 256 ms | 490 ms | 3.029 s |
| domContentLoadedTime | 109 ms | 703 ms | 741 ms | 1.147 s | 4.067 s |
| domInteractiveTime | 109 ms | 632 ms | 674 ms | 1.035 s | 3.845 s |
| domainLookupTime | 0 ms | 0 ms | 22 ms | 7 ms | 2.882 s |
| frontEndTime | 18 ms | 300 ms | 510 ms | 1.342 s | 3.921 s |
| pageDownloadTime | 2 ms | 251 ms | 267 ms | 681 ms | 1.350 s |
| pageLoadTime | 109 ms | 851 ms | 1.033 s | 1.765 s | 4.881 s |
| redirectionTime | 0 ms | 0 ms | 49 ms | 226 ms | 480 ms |
| serverConnectionTime | 0 ms | 20 ms | 37 ms | 29 ms | 280 ms |
| serverResponseTime | 43 ms | 494 ms | 401 ms | 808 ms | 1.435 s |
What the film strip shows: when content became visible on screen.
| Metric | min | median | mean | p90 | max |
|---|---|---|---|---|---|
| First Visual Change | 68 ms | 403 ms | 528 ms | 774 ms | 3.233 s |
| Speed Index | 168 ms | 1.418 s | 1.515 s | 2.361 s | 4.092 s |
| Visual Complete 85% | 168 ms | 2.293 s | 2.624 s | 4.900 s | 8.900 s |
| Visual Complete 95% | 168 ms | 2.868 s | 3.175 s | 5.933 s | 9.267 s |
| Visual Complete 99% | 168 ms | 3.435 s | 3.768 s | 7.100 s | 12.479 s |
| Last Visual Change | 168 ms | 4.517 s | 5.103 s | 7.140 s | 12.479 s |
Main thread work: long tasks block the page from reacting to input.
| Metric | min | median | mean | p90 | max |
|---|---|---|---|---|---|
| CPU Long Tasks | 0 | 9 | 9 | 12 | 39 |
| CPU Long Tasks total duration | 0 ms | 741 ms | 791 ms | 1.213 s | 3.065 s |
Bytes over the wire, by content type.
| Metric | min | median | mean | p90 | max |
|---|---|---|---|---|---|
| Image size | 0 b | 365.4 KB | 1.1 MB | 3.9 MB | 10.0 MB |
| HTML size | 0 b | 29.7 KB | 29.3 KB | 32.2 KB | 57.3 KB |
| CSS size | 0 b | 91.8 KB | 91.5 KB | 92.7 KB | 94.8 KB |
| Javascript size | 0 b | 1.4 MB | 1.4 MB | 1.5 MB | 4.5 MB |
| Font size | 0 b | 140.1 KB | 148.7 KB | 178.1 KB | 236.3 KB |
| Total size | 13.7 KB | 2.1 MB | 3.3 MB | 5.8 MB | 15.1 MB |
How many round trips the browser needed to build the page.
| Metric | min | median | mean | p90 | max |
|---|---|---|---|---|---|
| Image requests | 0 | 26 | 26 | 40 | 47 |
| CSS requests | 0 | 2 | 2 | 2 | 4 |
| Javascript requests | 0 | 62 | 59 | 63 | 145 |
| Font requests | 0 | 5 | 5 | 6 | 9 |
| Total requests | 3 | 116 | 113 | 130 | 360 |
Everything that is not a 2xx is a detour: redirects cost time, 4xx/5xx are errors.
| Metric | min | median | mean | p90 | max |
|---|---|---|---|---|---|
| 200 responses | 3 | 109 | 106 | 124 | 351 |
| 202 responses | 1 | 1 | 1 | 1 | 1 |
| 204 responses | 3 | 4 | 4 | 4 | 5 |
| 206 responses | 1 | 2 | 3 | 7 | 18 |
| 302 responses | 1 | 1 | 1 | 1 | 1 |
| 308 responses | 1 | 1 | 1 | 1 | 4 |
| 400 responseserrors | 3 | 3 | 3 | 3 | 3 |
| 401 responseserrors | 1 | 1 | 1 | 1 | 3 |
| 404 responseserrors | 1 | 1 | 1 | 1 | 1 |
| 503 responsesserver errors | 1 | 1 | 1 | 1 | 1 |
