Detailed summary for https://en.wikipedia.org/wiki/ChatGPT tested 1 page at 2026-09-20 12:21:31

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

Tested 2026-09-20 12:21:31 using Firefox (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	82	82	82	82
Coach performance score	90	90	90	90	90
Privacy score	80	80	80	80	80
Best Practice score	59	59	59	59	59

14 metrics

The user experience milestones, plus the classic navigation timings.

Metric	min	median	mean	p90	max
Largest Contentful Paint	2.067 s	2.119 s	2.122 s	2.186 s	2.186 s
First Contentful Paint	1.074 s	1.092 s	1.092 s	1.118 s	1.118 s
First Paint	1.073 s	1.091 s	1.092 s	1.117 s	1.117 s
Fully Loaded	2.056 s	2.108 s	2.111 s	2.175 s	2.175 s
backEndTime	420 ms	421 ms	422 ms	424 ms	424 ms
domContentLoadedTime	1.062 s	1.101 s	1.097 s	1.113 s	1.113 s
domInteractiveTime	1.059 s	1.079 s	1.082 s	1.109 s	1.109 s
domainLookupTime	0 ms	85 ms	52 ms	85 ms	85 ms
frontEndTime	1.080 s	1.094 s	1.099 s	1.122 s	1.122 s
pageDownloadTime	0 ms	0 ms	0 ms	0 ms	0 ms
pageLoadTime	1.502 s	1.515 s	1.521 s	1.543 s	1.543 s
redirectionTime	0 ms	0 ms	0 ms	0 ms	0 ms
serverConnectionTime	207 ms	208 ms	228 ms	311 ms	311 ms
serverResponseTime	112 ms	112 ms	112 ms	113 ms	113 ms

8 metrics

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

Metric	min	median	mean	p90	max
First Visual Change	1.100 s	1.133 s	1.127 s	1.167 s	1.167 s
Speed Index	1.200 s	1.237 s	1.232 s	1.266 s	1.266 s
Visual Complete 85%	1.100 s	1.133 s	1.127 s	1.167 s	1.167 s
Visual Complete 95%	2.033 s	2.100 s	2.107 s	2.200 s	2.200 s
Visual Complete 99%	2.067 s	2.133 s	2.140 s	2.233 s	2.233 s
Last Visual Change	2.067 s	2.133 s	2.140 s	2.233 s	2.233 s
Largest Image	1.867 s	1.900 s	1.913 s	2.000 s	2.000 s
Heading	1.867 s	1.900 s	1.913 s	2.000 s	2.000 s

6 metrics

Bytes over the wire, by content type.

Metric	min	median	mean	p90	max
Image size	57.3 KB	57.3 KB	57.3 KB	57.3 KB	57.3 KB
HTML size	192.1 KB	192.1 KB	192.1 KB	192.1 KB	192.1 KB
CSS size	29.4 KB	29.4 KB	29.4 KB	29.4 KB	29.4 KB
Javascript size	291.0 KB	291.0 KB	291.0 KB	291.0 KB	291.0 KB
Font size	0 b	0 b	0 b	0 b	0 b
Total size	665.8 KB	665.8 KB	665.8 KB	665.8 KB	665.8 KB

5 metrics

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

Metric	min	median	mean	p90	max
Image requests	7	7	7	7	7
CSS requests	2	2	2	2	2
Javascript requests	8	8	8	8	8
Font requests	0	0	0	0	0
Total requests	45	45	45	45	45

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	43	43	43	43	43
202 responses	1	1	1	1	1
302 responses	1	1	1	1	1