Metrics per run

https://en.wikipedia.org/wiki/ChatGPT

Tested 2026-06-24 00:30:29 using Chrome 149.0.7827.53 (runtime settings)

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 404 ms 404 ms 406 ms 403 ms 403 ms404 ms404 ms1 ms0.27 %
Largest Contentful Paint 1.024 s 1.056 s 1.044 s 1.008 s 1.032 s1.032 s1.033 s16 ms1.59 %
Total Blocking Time 9 ms 5 ms 20 ms 1 ms 23 ms9 ms12 ms9 ms73.47 %
Cumulative Layout Shift 0.032 0.032 0.032 0.032 0.0310.0320.03200.69 %
Timing metrics
First Paint 1.024 s 1.056 s 1.044 s 1.008 s 1.032 s1.032 s1.033 s16 ms1.59 %
Largest Contentful Paint 1.024 s 1.056 s 1.044 s 1.008 s 1.032 s1.032 s1.033 s16 ms1.59 %
Load Event End 2.039 s 1.542 s 1.536 s 1.983 s 1.979 s1.979 s1.816 s227 ms12.50 %
Server Response Time 406 ms 405 ms 407 ms 406 ms 406 ms406 ms406 ms1 ms0.16 %
TTFB 404 ms 404 ms 406 ms 403 ms 403 ms404 ms404 ms1 ms0.27 %
Page Load Time 2.039 s 1.542 s 1.536 s 1.983 s 1.979 s1.979 s1.816 s227 ms12.50 %
First Visual Change 1.033 s 1.066 s 1.033 s 1.000 s 1.033 s1.033 s1.033 s21 ms2.02 %
Last Visual Change 2.100 s 2.133 s 2.066 s 2.033 s 2.033 s2.066 s2.073 s39 ms1.88 %
Speed Index 1.175 s 1.198 s 1.170 s 1.130 s 1.160 s1.170 s1.167 s22 ms1.90 %
Visual Readiness 1.067 s 1.067 s 1.033 s 1.033 s 1.000 s1.033 s1.040 s25 ms2.42 %
Visual Complete 95 2.100 s 2.133 s 2.066 s 2.033 s 2.033 s2.066 s2.073 s39 ms1.88 %
Visual Complete 99 2.100 s 2.133 s 2.066 s 2.033 s 2.033 s2.066 s2.073 s39 ms1.88 %
CPU metrics
Total Blocking Time 9 ms 5 ms 20 ms 1 ms 23 ms9 ms12 ms9 ms73.47 %
Max Potential FID 57 ms 55 ms 66 ms 51 ms 65 ms57 ms59 ms6 ms9.88 %
Number of Long Tasks 3 2 3 2 333018.84 %
Total Duration of Long Tasks 351 ms 278 ms 368 ms 282 ms 369 ms351 ms330 ms41 ms12.45 %
Browser metrics
CPU benchmark score 41 ms 46 ms 43 ms 44 ms 45 ms44 ms44 ms2 ms3.93 %
Page metrics
Cumulative Layout Shift 0.032 0.032 0.032 0.032 0.0310.0320.03200.69 %
DOM elements 8562 8561 8562 8562 85628562856200.00 %
Document height 26923 26923 26923 26923 26923269232692300.00 %
Total Requests 61 61 61 61 63616111.30 %
HTML Requests 1 1 1 1 11100.00 %
JavaScript Requests 8 8 8 8 88800.00 %
CSS Requests 2 2 2 2 22200.00 %
Font Requests 0 0 0 0 00000.00 %
HTTP Errors 0 0 0 0 0000N/A
Total Transfer Size 916.4 KB 865.7 KB 865.7 KB 866.3 KB 870.2 KB866.3 KB876.9 KB19.9 KB2.26 %
HTML Transfer Size 128.0 KB 128.0 KB 128.0 KB 128.0 KB 128.1 KB128.0 KB128.0 KB30 B0.02 %
JavaScript Transfer Size 314.3 KB 314.3 KB 314.3 KB 314.3 KB 314.8 KB314.3 KB314.4 KB183 B0.06 %
CSS Transfer Size 27.3 KB 27.3 KB 27.3 KB 27.3 KB 27.4 KB27.3 KB27.3 KB60 B0.21 %
Font Transfer Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Favicon Transfer Size 1.8 KB 1.8 KB 1.8 KB 1.8 KB 1.9 KB1.8 KB1.8 KB30 B1.62 %
Plain Transfer Size 881 B 881 B 881 B 881 B 2.7 KB881 B1.2 KB735 B58.86 %
SVG Transfer Size 85.8 KB 85.8 KB 85.8 KB 85.8 KB 87.2 KB85.8 KB86.1 KB570 B0.65 %
Total Content Size 2.6 MB 2.5 MB 2.5 MB 2.5 MB 2.5 MB2.5 MB2.5 MB20.2 KB0.78 %
HTML Content Size 699.3 KB 699.3 KB 699.3 KB 699.3 KB 699.3 KB699.3 KB699.3 KB0 b0.00 %
JavaScript Content Size 1.2 MB 1.2 MB 1.2 MB 1.2 MB 1.2 MB1.2 MB1.2 MB0 b0.00 %
CSS Content Size 201.0 KB 201.0 KB 201.0 KB 201.0 KB 201.0 KB201.0 KB201.0 KB0 b0.00 %
Image Content Size 315.1 KB 264.5 KB 264.5 KB 265.0 KB 265.0 KB265.0 KB274.8 KB20.2 KB7.34 %
Font Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Favicon Content Size 2.7 KB 2.7 KB 2.7 KB 2.7 KB 2.7 KB2.7 KB2.7 KB0 b0.00 %
Plain Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
SVG Content Size 160.7 KB 160.7 KB 160.7 KB 160.7 KB 160.7 KB160.7 KB160.7 KB0 b0.00 %
Third Party metrics
First Party metrics
First Party Requests 61 61 61 61 63616111.30 %
First Party Total Transfer Size 916.4 KB 865.7 KB 865.7 KB 866.3 KB 870.2 KB866.3 KB876.9 KB19.9 KB2.26 %
First Party Total Content Size 2.6 MB 2.5 MB 2.5 MB 2.5 MB 2.5 MB2.5 MB2.5 MB20.2 KB0.78 %