Detailed summary for https://en.wikipedia.org/wiki/ChatGPT tested 1 page at 2026-08-24 20:41:31

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

Tested 2026-08-24 20:41:31 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	83	83	83	83	83
Coach performance score	86	86	86	87	87
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	1.152 s	1.196 s	1.195 s	1.220 s	1.220 s
First Contentful Paint	1.152 s	1.196 s	1.195 s	1.220 s	1.220 s
First Paint	1.152 s	1.196 s	1.195 s	1.220 s	1.220 s
First Paint	1.152 s	1.196 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	5 ms	7 ms	9 ms	16 ms	16 ms
Max Potential First Input Delay	54 ms	57 ms	57 ms	59 ms	59 ms
Fully Loaded	1.713 s	1.726 s	1.755 s	1.886 s	1.886 s
backEndTime	402 ms	404 ms	405 ms	413 ms	413 ms
domContentLoadedTime	1.127 s	1.157 s	1.156 s	1.174 s	1.174 s
domInteractiveTime	1.127 s	1.157 s	1.156 s	1.174 s	1.174 s
domainLookupTime	82 ms	82 ms	82 ms	83 ms	83 ms
frontEndTime	721 ms	880 ms	848 ms	886 ms	886 ms
pageDownloadTime	322 ms	339 ms	336 ms	340 ms	340 ms
pageLoadTime	1.456 s	1.621 s	1.589 s	1.627 s	1.627 s
redirectionTime	0 ms	0 ms	0 ms	0 ms	0 ms
serverConnectionTime	203 ms	204 ms	204 ms	205 ms	205 ms
serverResponseTime	444 ms	451 ms	450 ms	452 ms	452 ms

8 metrics

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

Metric	min	median	mean	p90	max
First Visual Change	1.133 s	1.200 s	1.187 s	1.200 s	1.200 s
Speed Index	1.149 s	1.210 s	1.199 s	1.213 s	1.213 s
Visual Complete 85%	1.133 s	1.200 s	1.187 s	1.200 s	1.200 s
Visual Complete 95%	1.133 s	1.200 s	1.187 s	1.200 s	1.200 s
Visual Complete 99%	1.433 s	1.500 s	1.540 s	1.766 s	1.766 s
Last Visual Change	1.566 s	1.600 s	1.640 s	1.866 s	1.866 s
Largest Image	1.266 s	1.400 s	1.400 s	1.500 s	1.500 s
Heading	1.133 s	1.200 s	1.187 s	1.200 s	1.200 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	332 ms	380 ms	366 ms	393 ms	393 ms
CPU Parse HTML	88 ms	92 ms	91 ms	93 ms	93 ms
CPU Style Layout	359 ms	370 ms	367 ms	376 ms	376 ms
CPU Paint Composite Render	44 ms	52 ms	49 ms	53 ms	53 ms
CPU Script Parse Compile	3 ms	3 ms	3 ms	4 ms	4 ms
CPU Script Evaluation	227 ms	235 ms	235 ms	244 ms	244 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