Metrics per run

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

Tested 2025-10-27 01:37:52 using Firefox 144.0 (runtime settings).

Side by side

Metric1234567MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 514 ms 514 ms 498 ms 500 ms 586 ms 499 ms 500 ms500 ms516 ms29 ms5.69 %
First Contentful Paint 1.135 s 1.118 s 948 ms 1.100 s 1.050 s 1.100 s 1.101 s1.100 s1.079 s59 ms5.43 %
Largest Contentful Paint 1.153 s 1.126 s 1.596 s 1.106 s 1.680 s 1.560 s 1.577 s1.560 s1.400 s238 ms17.00 %
Interaction to Next Paint 176 ms NaN s NaN s 168 ms 160 ms 168 ms NaN s168 ms168 ms6 ms3.37 %
Timing metrics
First Paint 1.136 s 1.126 s 1.077 s 1.105 s 1.192 s 1.107 s 1.102 s1.107 s1.121 s34 ms3.02 %
First Contentful Paint 1.135 s 1.118 s 948 ms 1.100 s 1.050 s 1.100 s 1.101 s1.100 s1.079 s59 ms5.43 %
Largest Contentful Paint 1.153 s 1.126 s 1.596 s 1.106 s 1.680 s 1.560 s 1.577 s1.560 s1.400 s238 ms17.00 %
Load Event End 1.624 s 2.173 s 2.232 s 2.162 s 1.688 s 2.158 s 2.149 s2.158 s2.027 s236 ms11.66 %
Server Response Time 195 ms 195 ms 195 ms 195 ms 195 ms 195 ms 195 ms195 ms195 ms0 ms0.00 %
TTFB 514 ms 514 ms 498 ms 500 ms 586 ms 499 ms 500 ms500 ms516 ms29 ms5.69 %
Page Load Time 1.624 s 2.172 s 2.231 s 2.161 s 1.688 s 2.158 s 2.149 s2.158 s2.026 s236 ms11.65 %
First Visual Change 1.200 s 1.167 s 1.133 s 1.166 s 1.233 s 1.133 s 1.166 s1.166 s1.171 s33 ms2.82 %
Last Visual Change 3.300 s 3.267 s 3.267 s 3.133 s 3.067 s 3.100 s 3.133 s3.133 s3.181 s87 ms2.74 %
Speed Index 1.230 s 1.197 s 1.169 s 1.195 s 1.266 s 1.169 s 1.200 s1.197 s1.204 s32 ms2.65 %
Visual Readiness 2.100 s 2.100 s 2.134 s 1.967 s 1.834 s 1.967 s 1.967 s1.967 s2.010 s99 ms4.91 %
Visual Complete 95 1.200 s 1.167 s 1.133 s 1.166 s 1.233 s 1.133 s 1.166 s1.166 s1.171 s33 ms2.82 %
Visual Complete 99 2.133 s 2.133 s 2.067 s 2.100 s 2.067 s 2.100 s 2.000 s2.100 s2.086 s43 ms2.06 %
CPU metrics
Browser metrics
CPU benchmark score 76 ms 76 ms 78 ms 76 ms 76 ms 77 ms 77 ms76 ms77 ms1 ms0.95 %
Page metrics
DOM elements 8602 8602 8602 8602 8603 8602 86028602860200.00 %
Document height 33502 33502 33502 33502 33502 33502 33502335023350200.00 %
Total Requests 56 56 56 56 56 56 56565600.00 %
HTML Requests 1 1 1 1 1 1 11100.00 %
JavaScript Requests 7 7 7 7 7 7 77700.00 %
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 730.5 KB 730.5 KB 730.5 KB 730.5 KB 730.5 KB 730.5 KB 730.5 KB730.5 KB730.5 KB8 B0.00 %
HTML Transfer Size 128.9 KB 128.9 KB 128.9 KB 128.9 KB 128.9 KB 128.9 KB 128.9 KB128.9 KB128.9 KB0 b0.00 %
JavaScript Transfer Size 288.5 KB 288.5 KB 288.5 KB 288.5 KB 288.5 KB 288.5 KB 288.5 KB288.5 KB288.5 KB8 B0.00 %
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 KB0 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 56 56565600.00 %
First Party Total Transfer Size 730.5 KB 730.5 KB 730.5 KB 730.5 KB 730.5 KB 730.5 KB 730.5 KB730.5 KB730.5 KB8 B0.00 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %