Detailed summary for https://en.wikipedia.org/wiki/ChatGPT tested 1 page at 2026-09-20 11:53:26

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

Tested 2026-09-20 11:53:26 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	82	82	82	82
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	1.204 s	1.228 s	1.225 s	1.248 s	1.248 s
First Contentful Paint	1.204 s	1.228 s	1.225 s	1.248 s	1.248 s
First Paint	1.204 s	1.228 s	1.225 s	1.248 s	1.248 s
First Paint	1.204 s	1.228 s	1.225 s	1.248 s	1.248 s
Cumulative Layout Shift	0.0318	0.0318	0.0318	0.0318	0.0318
Total Blocking Time	3 ms	13 ms	12 ms	23 ms	23 ms
Max Potential First Input Delay	52 ms	57 ms	57 ms	62 ms	62 ms
Fully Loaded	1.972 s	2.009 s	2.052 s	2.153 s	2.153 s
backEndTime	404 ms	404 ms	404 ms	404 ms	404 ms
domContentLoadedTime	1.150 s	1.190 s	1.187 s	1.211 s	1.211 s
domInteractiveTime	1.150 s	1.190 s	1.187 s	1.211 s	1.211 s
domainLookupTime	82 ms	82 ms	82 ms	83 ms	83 ms
frontEndTime	708 ms	1.049 s	928 ms	1.092 s	1.092 s
pageDownloadTime	404 ms	413 ms	410 ms	413 ms	413 ms
pageLoadTime	1.517 s	1.866 s	1.741 s	1.909 s	1.909 s
redirectionTime	0 ms	0 ms	0 ms	0 ms	0 ms
serverConnectionTime	204 ms	204 ms	204 ms	205 ms	205 ms
serverResponseTime	516 ms	525 ms	522 ms	525 ms	525 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	1.213 s	1.233 s	1.233 s
Speed Index	1.280 s	1.312 s	1.307 s	1.319 s	1.319 s
Visual Complete 85%	1.200 s	1.200 s	1.213 s	1.233 s	1.233 s
Visual Complete 95%	1.900 s	1.966 s	2.033 s	2.200 s	2.200 s
Visual Complete 99%	1.900 s	1.966 s	2.033 s	2.200 s	2.200 s
Last Visual Change	1.900 s	1.966 s	2.033 s	2.200 s	2.200 s
Largest Image	1.700 s	1.733 s	1.826 s	2.000 s	2.000 s
Heading	1.700 s	1.733 s	1.826 s	2.000 s	2.000 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	392 ms	421 ms	434 ms	481 ms	481 ms
CPU Parse HTML	88 ms	94 ms	94 ms	100 ms	100 ms
CPU Style Layout	393 ms	415 ms	410 ms	428 ms	428 ms
CPU Paint Composite Render	61 ms	67 ms	67 ms	75 ms	75 ms
CPU Script Parse Compile	3 ms	3 ms	3 ms	4 ms	4 ms
CPU Script Evaluation	253 ms	254 ms	259 ms	271 ms	271 ms

6 metrics

Bytes over the wire, by content type.

Metric	min	median	mean	p90	max
Image size	75.1 KB	75.1 KB	75.1 KB	75.1 KB	75.1 KB
HTML size	192.0 KB	192.0 KB	192.0 KB	192.0 KB	192.0 KB
CSS size	29.0 KB	29.0 KB	29.0 KB	29.0 KB	29.0 KB
Javascript size	290.0 KB	290.0 KB	290.0 KB	290.0 KB	290.0 KB
Font size	0 b	0 b	0 b	0 b	0 b
Total size	675.7 KB	675.7 KB	675.7 KB	675.7 KB	675.7 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