Metrics per run

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

Tested 2025-10-26 21:44:38 using Firefox 144.0 (runtime settings).

Side by side

Metric1234567MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 501 ms 515 ms 515 ms 516 ms 501 ms 496 ms 503 ms503 ms507 ms8 ms1.52 %
First Contentful Paint 1.118 s 1.000 s 983 ms 1.135 s 1.118 s 965 ms 1.101 s1.101 s1.060 s68 ms6.44 %
Largest Contentful Paint 1.576 s 1.136 s 1.137 s 1.611 s 1.639 s 1.796 s 1.137 s1.576 s1.433 s265 ms18.46 %
Timing metrics
First Paint 1.120 s 1.123 s 1.104 s 1.139 s 1.123 s 1.104 s 1.116 s1.120 s1.118 s11 ms1.01 %
First Contentful Paint 1.118 s 1.000 s 983 ms 1.135 s 1.118 s 965 ms 1.101 s1.101 s1.060 s68 ms6.44 %
Largest Contentful Paint 1.576 s 1.136 s 1.137 s 1.611 s 1.639 s 1.796 s 1.137 s1.576 s1.433 s265 ms18.46 %
Load Event End 2.166 s 2.399 s 2.165 s 1.613 s 1.596 s 2.211 s 2.080 s2.165 s2.033 s285 ms14.04 %
Server Response Time 193 ms 195 ms 195 ms 194 ms 195 ms 195 ms 195 ms195 ms195 ms1 ms0.37 %
TTFB 501 ms 515 ms 515 ms 516 ms 501 ms 496 ms 503 ms503 ms507 ms8 ms1.52 %
Page Load Time 2.166 s 2.399 s 2.165 s 1.612 s 1.596 s 2.211 s 2.080 s2.165 s2.033 s286 ms14.05 %
First Visual Change 1.167 s 1.167 s 1.166 s 1.200 s 1.167 s 1.167 s 1.200 s1.167 s1.176 s15 ms1.28 %
Last Visual Change 3.267 s 3.300 s 3.266 s 3.166 s 3.100 s 12.267 s 3.333 s3.267 s4.528 s3.160 s69.78 %
Speed Index 1.203 s 1.198 s 1.196 s 1.231 s 1.203 s 2.618 s 1.228 s1.203 s1.411 s493 ms34.93 %
Visual Readiness 2.100 s 2.133 s 2.100 s 1.966 s 1.933 s 11.100 s 2.133 s2.100 s3.352 s3.164 s94.39 %
Visual Complete 95 1.167 s 1.167 s 1.166 s 1.200 s 1.167 s 10.800 s 1.200 s1.167 s2.552 s3.367 s131.92 %
Visual Complete 99 2.100 s 2.233 s 2.100 s 2.033 s 2.100 s 11.400 s 1.966 s2.100 s3.419 s3.259 s95.33 %
CPU metrics
Browser metrics
CPU benchmark score 76 ms 77 ms 76 ms 77 ms 76 ms 78 ms 76 ms76 ms77 ms1 ms0.95 %
Page metrics
DOM elements 8598 8598 8598 8598 8598 8922 8598859886441131.31 %
Document height 33502 33502 33502 33502 33502 33857 3350233502335531240.37 %
Total Requests 56 56 56 56 56 59 56565611.86 %
HTML Requests 1 1 1 1 1 1 11100.00 %
JavaScript Requests 7 7 7 7 7 9 77719.61 %
CSS Requests 2 2 2 2 2 2 22200.00 %
Font Requests 0 0 0 0 0 0 00000.00 %
HTTP Errors 0 0 0 0 0 0 0000N/A
Total Transfer Size 716.9 KB 716.9 KB 716.9 KB 716.9 KB 716.9 KB 832.5 KB 716.9 KB716.9 KB733.4 KB40.4 KB5.51 %
HTML Transfer Size 128.8 KB 128.8 KB 128.8 KB 128.8 KB 128.8 KB 128.8 KB 128.8 KB128.8 KB128.8 KB0 b0.00 %
JavaScript Transfer Size 288.6 KB 288.6 KB 288.6 KB 288.6 KB 288.6 KB 403.4 KB 288.6 KB288.6 KB305.0 KB40.2 KB13.18 %
CSS Transfer Size 26.6 KB 26.6 KB 26.6 KB 26.6 KB 26.6 KB 26.6 KB 26.6 KB26.6 KB26.6 KB1 B0.00 %
Font Transfer Size 0 b 0 b 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Favicon Transfer Size 2.0 KB 2.0 KB 2.0 KB 2.0 KB 2.0 KB 2.0 KB 2.0 KB2.0 KB2.0 KB0 b0.00 %
SVG Transfer Size 35.6 KB 35.6 KB 35.6 KB 35.6 KB 35.6 KB 35.6 KB 35.6 KB35.6 KB35.6 KB0 b0.00 %
Total Content Size 0 b 0 b 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
HTML Content Size 0 b 0 b 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
JavaScript Content Size 0 b 0 b 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
CSS Content Size 0 b 0 b 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Image Content Size 0 b 0 b 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Font Content Size 0 b 0 b 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Favicon Content Size 0 b 0 b 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
SVG Content Size 0 b 0 b 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Third Party metrics
First Party metrics
First Party Requests 56 56 56 56 56 59 56565611.86 %
First Party Total Transfer Size 716.9 KB 716.9 KB 716.9 KB 716.9 KB 716.9 KB 832.5 KB 716.9 KB716.9 KB733.4 KB40.4 KB5.51 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %