Detailed summary for https://en.wikipedia.org/wiki/ChatGPT tested 1 page at 2026-07-28 00:37:13

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

Tested 2026-07-28 00:37:13 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	81	81	81	82	82
Coach performance score	84	84	84	84	84
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	1.196 s	1.197 s	1.212 s	1.212 s
First Contentful Paint	1.180 s	1.196 s	1.197 s	1.212 s	1.212 s
First Paint	1.180 s	1.196 s	1.197 s	1.212 s	1.212 s
First Paint	1.180 s	1.196 s	1.197 s	1.212 s	1.212 s
Cumulative Layout Shift	0.0005	0.0005	0.0005	0.0005	0.0005
Total Blocking Time	6 ms	7 ms	11 ms	21 ms	21 ms
Max Potential First Input Delay	55 ms	57 ms	60 ms	70 ms	70 ms
Fully Loaded	6.473 s	6.483 s	6.559 s	6.873 s	6.873 s
backEndTime	403 ms	403 ms	403 ms	404 ms	404 ms
domContentLoadedTime	1.131 s	1.150 s	1.153 s	1.171 s	1.171 s
domInteractiveTime	1.131 s	1.150 s	1.152 s	1.171 s	1.171 s
domainLookupTime	81 ms	82 ms	82 ms	83 ms	83 ms
frontEndTime	811 ms	981 ms	986 ms	1.083 s	1.083 s
pageDownloadTime	345 ms	346 ms	360 ms	419 ms	419 ms
pageLoadTime	1.634 s	1.730 s	1.750 s	1.832 s	1.832 s
redirectionTime	0 ms	0 ms	0 ms	0 ms	0 ms
serverConnectionTime	203 ms	204 ms	204 ms	204 ms	204 ms
serverResponseTime	457 ms	458 ms	473 ms	532 ms	532 ms

8 metrics

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

Metric	min	median	mean	p90	max
First Visual Change	1.166 s	1.200 s	1.200 s	1.233 s	1.233 s
Speed Index	1.182 s	1.208 s	1.209 s	1.241 s	1.241 s
Visual Complete 85%	1.166 s	1.200 s	1.200 s	1.233 s	1.233 s
Visual Complete 95%	1.166 s	1.200 s	1.200 s	1.233 s	1.233 s
Visual Complete 99%	1.566 s	1.600 s	1.660 s	1.933 s	1.933 s
Last Visual Change	1.666 s	1.700 s	1.746 s	2.000 s	2.000 s
Largest Image	1.200 s	1.200 s	1.213 s	1.233 s	1.233 s
Heading	1.166 s	1.200 s	1.200 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	2	3	3	3	3
CPU Long Tasks total duration	329 ms	345 ms	350 ms	378 ms	378 ms
CPU Parse HTML	89 ms	91 ms	91 ms	94 ms	94 ms
CPU Style Layout	351 ms	375 ms	374 ms	393 ms	393 ms
CPU Paint Composite Render	54 ms	61 ms	61 ms	72 ms	72 ms
CPU Script Parse Compile	3 ms	3 ms	3 ms	3 ms	3 ms
CPU Script Evaluation	237 ms	249 ms	249 ms	257 ms	257 ms

6 metrics

Bytes over the wire, by content type.

Metric	min	median	mean	p90	max
Image size	238.0 KB	238.1 KB	238.1 KB	238.2 KB	238.2 KB
HTML size	181.2 KB	181.2 KB	181.2 KB	181.2 KB	181.2 KB
CSS size	29.1 KB	29.1 KB	29.2 KB	29.2 KB	29.2 KB
Javascript size	309.3 KB	309.3 KB	309.4 KB	309.6 KB	309.6 KB
Font size	0 b	0 b	0 b	0 b	0 b
Total size	840.6 KB	841.3 KB	841.6 KB	842.9 KB	842.9 KB

5 metrics

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

Metric	min	median	mean	p90	max
Image requests	22	22	22	22	22
CSS requests	2	2	2	2	2
Javascript requests	7	7	7	7	7
Font requests	0	0	0	0	0
Total requests	58	58	58	58	58

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	56	56	56	56	56
202 responses	1	1	1	1	1
302 responses	1	1	1	1	1