Detailed summary for https://en.wikipedia.org/wiki/ChatGPT tested 1 page at 2026-08-24 23:58:07

1 page analysed for https://en.wikipedia.org/wiki/...

Tested 2026-08-24 23:58:07 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.

4 metrics

How the Coach rates the pages, 0–100; higher is better.

Metric	min	median	mean	p90	max
Coach score	82	83	83	83	83
Coach performance score	85	86	86	86	86
Privacy score	80	80	80	80	80
Best Practice score	75	75	75	75	75

18 metrics

The user experience milestones, plus the classic navigation timings.

Metric	min	median	mean	p90	max
Largest Contentful Paint	1.180 s	1.192 s	1.195 s	1.220 s	1.220 s
First Contentful Paint	1.180 s	1.192 s	1.195 s	1.220 s	1.220 s
First Paint	1.180 s	1.192 s	1.195 s	1.220 s	1.220 s
First Paint	1.180 s	1.192 s	1.195 s	1.220 s	1.220 s
Cumulative Layout Shift	0.0005	0.0005	0.0005	0.0005	0.0005
Total Blocking Time	2 ms	8 ms	7 ms	9 ms	9 ms
Max Potential First Input Delay	52 ms	57 ms	57 ms	59 ms	59 ms
Fully Loaded	1.895 s	1.913 s	1.916 s	1.945 s	1.945 s
backEndTime	402 ms	404 ms	407 ms	422 ms	422 ms
domContentLoadedTime	823 ms	825 ms	829 ms	844 ms	844 ms
domInteractiveTime	823 ms	825 ms	829 ms	844 ms	844 ms
domainLookupTime	82 ms	82 ms	86 ms	101 ms	101 ms
frontEndTime	681 ms	691 ms	690 ms	698 ms	698 ms
pageDownloadTime	396 ms	397 ms	397 ms	398 ms	398 ms
pageLoadTime	1.483 s	1.492 s	1.494 s	1.517 s	1.517 s
redirectionTime	0 ms	0 ms	0 ms	0 ms	0 ms
serverConnectionTime	203 ms	204 ms	204 ms	204 ms	204 ms
serverResponseTime	508 ms	509 ms	509 ms	510 ms	510 ms

8 metrics

What the film strip shows: when content became visible on screen.

Metric	min	median	mean	p90	max
First Visual Change	1.200 s	1.200 s	1.207 s	1.233 s	1.233 s
Speed Index	1.214 s	1.214 s	1.221 s	1.247 s	1.247 s
Visual Complete 85%	1.200 s	1.200 s	1.207 s	1.233 s	1.233 s
Visual Complete 95%	1.200 s	1.200 s	1.207 s	1.233 s	1.233 s
Visual Complete 99%	1.766 s	1.800 s	1.800 s	1.833 s	1.833 s
Last Visual Change	1.866 s	1.866 s	1.880 s	1.900 s	1.900 s
Largest Image	1.300 s	1.333 s	1.320 s	1.333 s	1.333 s
Heading	1.200 s	1.200 s	1.207 s	1.233 s	1.233 s

7 metrics

Main thread work: long tasks block the page from reacting to input.

Metric	min	median	mean	p90	max
CPU Long Tasks	3	3	3	4	4
CPU Long Tasks total duration	336 ms	343 ms	350 ms	382 ms	382 ms
CPU Parse HTML	82 ms	84 ms	84 ms	87 ms	87 ms
CPU Style Layout	348 ms	365 ms	363 ms	370 ms	370 ms
CPU Paint Composite Render	47 ms	49 ms	50 ms	52 ms	52 ms
CPU Script Parse Compile	3 ms	4 ms	4 ms	4 ms	4 ms
CPU Script Evaluation	234 ms	237 ms	239 ms	248 ms	248 ms

6 metrics

Bytes over the wire, by content type.

Metric	min	median	mean	p90	max
Image size	15.8 KB	15.8 KB	15.8 KB	15.8 KB	15.8 KB
HTML size	182.8 KB	182.8 KB	182.8 KB	182.8 KB	182.8 KB
CSS size	29.0 KB	29.0 KB	29.0 KB	29.0 KB	29.0 KB
Javascript size	288.7 KB	288.7 KB	288.7 KB	288.7 KB	288.7 KB
Font size	0 b	0 b	0 b	0 b	0 b
Total size	599.6 KB	599.6 KB	599.6 KB	599.6 KB	599.6 KB

5 metrics

How many round trips the browser needed to build the page.

Metric	min	median	mean	p90	max
Image requests	4	4	4	4	4
CSS requests	2	2	2	2	2
Javascript requests	7	7	7	7	7
Font requests	0	0	0	0	0
Total requests	40	40	40	40	40

3 metrics

Everything that is not a 2xx is a detour: redirects cost time, 4xx/5xx are errors.

Metric	min	median	mean	p90	max
200 responses	38	38	38	38	38
202 responses	1	1	1	1	1
302 responses	1	1	1	1	1