Metrics per run

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

Tested 2025-04-05 17:52:34 using Firefox 136.0 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 512 ms 519 ms 496 ms 587 ms 496 ms512 ms522 ms34 ms6.46 %
First Contentful Paint 1.084 s 1.084 s 1.050 s 1.152 s 1.067 s1.084 s1.087 s35 ms3.19 %
Largest Contentful Paint 1.594 s 1.153 s 1.561 s 1.679 s 1.136 s1.561 s1.425 s232 ms16.28 %
Timing metrics
First Paint 1.085 s 1.087 s 1.057 s 1.160 s 1.072 s1.085 s1.092 s36 ms3.26 %
First Contentful Paint 1.084 s 1.084 s 1.050 s 1.152 s 1.067 s1.084 s1.087 s35 ms3.19 %
Largest Contentful Paint 1.594 s 1.153 s 1.561 s 1.679 s 1.136 s1.561 s1.425 s232 ms16.28 %
Load Event End 2.106 s 2.110 s 2.179 s 2.206 s 2.070 s2.110 s2.134 s50 ms2.36 %
Server Response Time 194 ms 193 ms 195 ms 194 ms 194 ms194 ms194 ms1 ms0.33 %
TTFB 512 ms 519 ms 496 ms 587 ms 496 ms512 ms522 ms34 ms6.46 %
Page Load Time 2.105 s 2.110 s 2.178 s 2.206 s 2.070 s2.110 s2.134 s50 ms2.36 %
First Visual Change 1.133 s 1.133 s 1.100 s 1.233 s 1.133 s1.133 s1.146 s45 ms3.94 %
Last Visual Change 3.000 s 2.933 s 2.966 s 3.000 s 3.000 s3.000 s2.980 s27 ms0.90 %
Speed Index 1.159 s 1.157 s 1.126 s 1.258 s 1.158 s1.158 s1.172 s45 ms3.84 %
Visual Readiness 1.867 s 1.800 s 1.866 s 1.767 s 1.867 s1.866 s1.833 s42 ms2.29 %
Visual Complete 95 1.133 s 1.133 s 1.100 s 1.233 s 1.133 s1.133 s1.146 s45 ms3.94 %
Visual Complete 99 1.866 s 1.800 s 1.833 s 1.866 s 1.833 s1.833 s1.840 s25 ms1.34 %
CPU metrics
Browser metrics
CPU benchmark score 51 ms 51 ms 52 ms 51 ms 52 ms51 ms51 ms0 ms0.95 %
Page metrics
DOM elements 8786 8786 8786 8786 87868786878600.00 %
Document height 35974 35974 35974 35974 35974359743597400.00 %
Total Requests 56 56 56 56 56565600.00 %
HTML Requests 1 1 1 1 11100.00 %
JavaScript Requests 7 7 7 7 77700.00 %
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 731.6 KB 731.6 KB 731.6 KB 731.6 KB 731.6 KB731.6 KB731.6 KB1 B0.00 %
HTML Transfer Size 137.1 KB 137.1 KB 137.1 KB 137.1 KB 137.1 KB137.1 KB137.1 KB0 b0.00 %
JavaScript Transfer Size 283.7 KB 283.7 KB 283.7 KB 283.7 KB 283.7 KB283.7 KB283.7 KB0 b0.00 %
CSS Transfer Size 25.5 KB 25.5 KB 25.5 KB 25.5 KB 25.5 KB25.5 KB25.5 KB0 b0.00 %
Font Transfer Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Favicon Transfer Size 1.9 KB 1.9 KB 1.9 KB 1.9 KB 1.9 KB1.9 KB1.9 KB0 b0.00 %
SVG Transfer Size 32.1 KB 32.1 KB 32.1 KB 32.1 KB 32.1 KB32.1 KB32.1 KB0 b0.00 %
Total Content Size 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 b0 b0 b0 b0.00 %
JavaScript Content Size 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 b0 b0 b0 b0.00 %
Image Content Size 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 b0 b0 b0 b0.00 %
Favicon Content Size 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 b0 b0 b0 b0.00 %
Third Party metrics
First Party metrics
First Party Requests 56 56 56 56 56565600.00 %
First Party Total Transfer Size 731.6 KB 731.6 KB 731.6 KB 731.6 KB 731.6 KB731.6 KB731.6 KB1 B0.00 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %