Metrics per run

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

Tested 2025-04-27 07:30:59 using Firefox 137.0 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 497 ms 498 ms 511 ms 496 ms 511 ms498 ms503 ms7 ms1.37 %
First Contentful Paint 1.084 s 1.101 s 1.101 s 1.101 s 1.101 s1.101 s1.098 s7 ms0.62 %
Largest Contentful Paint 1.170 s 1.935 s 1.136 s 1.866 s 1.137 s1.170 s1.449 s370 ms25.51 %
Interaction to Next Paint 201.66 ms 222.48 ms 208.66 ms 227.24 ms 210.78 ms211 ms214 ms9 ms4.37 %
Timing metrics
First Paint 1.094 s 1.110 s 1.112 s 1.105 s 1.105 s1.105 s1.105 s6 ms0.56 %
First Contentful Paint 1.084 s 1.101 s 1.101 s 1.101 s 1.101 s1.101 s1.098 s7 ms0.62 %
Largest Contentful Paint 1.170 s 1.935 s 1.136 s 1.866 s 1.137 s1.170 s1.449 s370 ms25.51 %
Load Event End 2.255 s 2.234 s 2.136 s 2.207 s 2.204 s2.207 s2.207 s40 ms1.82 %
Server Response Time 194 ms 194 ms 193 ms 194 ms 193 ms194 ms194 ms0 ms0.25 %
TTFB 497 ms 498 ms 511 ms 496 ms 511 ms498 ms503 ms7 ms1.37 %
Page Load Time 2.254 s 2.234 s 2.136 s 2.207 s 2.203 s2.207 s2.207 s40 ms1.81 %
First Visual Change 1.166 s 1.167 s 1.166 s 1.166 s 1.166 s1.166 s1.166 s0 ms0.03 %
Last Visual Change 3.000 s 3.167 s 3.066 s 3.133 s 3.166 s3.133 s3.106 s65 ms2.08 %
Speed Index 1.191 s 1.202 s 1.191 s 1.201 s 1.193 s1.193 s1.196 s5 ms0.41 %
Visual Readiness 1.834 s 2.000 s 1.900 s 1.967 s 2.000 s1.967 s1.940 s64 ms3.32 %
Visual Complete 95 1.166 s 1.167 s 1.166 s 1.166 s 1.166 s1.166 s1.166 s0 ms0.03 %
Visual Complete 99 1.833 s 1.933 s 1.833 s 1.966 s 1.933 s1.933 s1.900 s56 ms2.93 %
CPU metrics
Browser metrics
CPU benchmark score 51 ms 51 ms 51 ms 51 ms 53 ms51 ms51 ms1 ms1.56 %
Page metrics
DOM elements 8912 8912 8912 8912 89128912891200.00 %
Document height 36292 36292 36292 36292 36292362923629200.00 %
Total Requests 57 57 57 57 57575700.00 %
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 936.4 KB 936.4 KB 936.4 KB 936.4 KB 936.4 KB936.4 KB936.4 KB1 B0.00 %
HTML Transfer Size 138.2 KB 138.2 KB 138.2 KB 138.2 KB 138.2 KB138.2 KB138.2 KB0 b0.00 %
JavaScript Transfer Size 289.4 KB 289.4 KB 289.4 KB 289.4 KB 289.4 KB289.4 KB289.4 KB1 B0.00 %
CSS Transfer Size 25.8 KB 25.8 KB 25.8 KB 25.8 KB 25.8 KB25.8 KB25.8 KB1 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 33.2 KB 33.2 KB 33.2 KB 33.2 KB 33.2 KB33.2 KB33.2 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 57 57 57 57 57575700.00 %
First Party Total Transfer Size 936.4 KB 936.4 KB 936.4 KB 936.4 KB 936.4 KB936.4 KB936.4 KB1 B0.00 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %