Detailed summary for https://stf.xelta.ai tested 87 pages at 2026-07-31 12:43:29

87 pages analysed for https://stf.xelta.ai

Tested 2026-07-31 12:43:29 using Chrome (runtime settings)

What stands outTotal Blocking Time is 563 ms, needs improvement (good is 200 ms or less)18 4xx/5xx responses per page: something the pages fetch is failing

Every collected metric, grouped by what it tells you, with min / median / mean / p90 / max across all runs. Click a column header to sort.

Coach scores

4 metrics

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

Metric	min	median	mean	p90	max
Coach score	63	71	76	88	88
Coach performance score	59	74	79	96	99
Privacy score	60	60	66	77	82
Best Practice score	57	90	88	91	91

Web Vitals & load timings

18 metrics

The user experience milestones, plus the classic navigation timings.

Metric	min	median	mean	p90	max
Largest Contentful Paint	160 ms	1.380 s	2.277 s	4.192 s	33.212 s
First Contentful Paint	160 ms	1.192 s	1.598 s	2.504 s	33.212 s
First Paint	160 ms	824 ms	825 ms	1.212 s	7.292 s
First Paint	160 ms	824 ms	825 ms	1.212 s	7.292 s
Cumulative Layout Shift	0	0.0286	0.0334	0.1091	0.3763
Total Blocking Time	0 ms	563 ms	669 ms	1.550 s	3.574 s
Max Potential First Input Delay	0 ms	219 ms	228 ms	589 ms	728 ms
Fully Loaded	140 ms	6.019 s	6.148 s	14.801 s	37.957 s
backEndTime	26 ms	69 ms	145 ms	116 ms	6.349 s
domContentLoadedTime	74 ms	317 ms	381 ms	571 ms	6.594 s
domInteractiveTime	74 ms	271 ms	341 ms	455 ms	6.560 s
domainLookupTime	0 ms	0 ms	6 ms	0 ms	146 ms
frontEndTime	25 ms	299 ms	987 ms	1.602 s	32.710 s
pageDownloadTime	1 ms	6 ms	9 ms	13 ms	85 ms
pageLoadTime	113 ms	450 ms	1.141 s	1.713 s	32.807 s
redirectionTime	0 ms	0 ms	1 ms	0 ms	49 ms
serverConnectionTime	0 ms	8 ms	9 ms	16 ms	28 ms
serverResponseTime	10 ms	50 ms	122 ms	86 ms	6.390 s

Visual metrics

6 metrics

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

Metric	min	median	mean	p90	max
First Visual Change	166 ms	300 ms	394 ms	500 ms	6.600 s
Speed Index	166 ms	1.600 s	1.902 s	2.994 s	32.986 s
Visual Complete 85%	166 ms	1.700 s	2.424 s	5.066 s	33.233 s
Visual Complete 95%	166 ms	4.133 s	3.912 s	6.833 s	36.133 s
Visual Complete 99%	166 ms	5.266 s	4.522 s	8.200 s	39.666 s
Last Visual Change	166 ms	6.633 s	5.213 s	8.200 s	39.666 s

CPU

2 metrics

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

Metric	min	median	mean	p90	max
CPU Long Tasks	0	11	10	20	38
CPU Long Tasks total duration	0 ms	1.709 s	1.512 s	3.012 s	6.543 s

Page weight

6 metrics

Bytes over the wire, by content type.

Metric	min	median	mean	p90	max
Image size	0 b	2.1 MB	2.3 MB	3.3 MB	44.3 MB
HTML size	0 b	22.2 KB	16.8 KB	26.6 KB	112.3 KB
CSS size	0 b	74.5 KB	50.6 KB	74.6 KB	76.7 KB
Javascript size	0 b	1.0 MB	732.4 KB	1.1 MB	1.2 MB
Font size	0 b	131.7 KB	86.9 KB	131.9 KB	132.6 KB
Total size	22.2 KB	4.1 MB	5.0 MB	8.4 MB	46.4 MB

Requests

5 metrics

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

Metric	min	median	mean	p90	max
Image requests	0	7	9	14	84
CSS requests	0	2	2	2	4
Javascript requests	0	44	31	50	57
Font requests	0	2	1	2	2
Total requests	3	100	80	141	193

Response codes

11 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	2	70	53	84	153
202 responses	5	7	7	10	13
204 responses	6	6	6	7	8
206 responses	1	2	4	11	13
302 responses	1	1	1	1	1
307 responses	1	1	1	1	1
308 responses	1	1	1	1	1
401 responseserrors	1	2	2	3	3
403 responseserrors	1	13	18	41	54
404 responseserrors	1	2	2	3	4
502 responsesserver errors	1	1	1	1	1