Metrics per run

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

Tested 2025-02-20 15:07:02 using Firefox 135.0 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 522 ms 514 ms 513 ms 496 ms 514 ms514 ms512 ms9 ms1.67 %
First Contentful Paint 1.050 s 1.033 s 1.033 s 1.033 s 1.033 s1.033 s1.036 s7 ms0.66 %
Largest Contentful Paint 1.982 s 2.000 s 2.068 s 2.017 s 2.067 s2.017 s2.027 s35 ms1.73 %
Interaction to Next Paint 154.58 ms NaN s 161.74 ms 155.24 ms 162.72 ms158 ms159 ms4 ms2.32 %
Timing metrics
First Paint 1.052 s 1.034 s 1.042 s 1.037 s 1.047 s1.042 s1.042 s7 ms0.63 %
First Contentful Paint 1.050 s 1.033 s 1.033 s 1.033 s 1.033 s1.033 s1.036 s7 ms0.66 %
Largest Contentful Paint 1.982 s 2.000 s 2.068 s 2.017 s 2.067 s2.017 s2.027 s35 ms1.73 %
Load Event End 1.986 s 1.983 s 2.052 s 2.008 s 2.054 s2.008 s2.017 s31 ms1.54 %
Server Response Time 202 ms 195 ms 195 ms 195 ms 195 ms195 ms196 ms3 ms1.43 %
TTFB 522 ms 514 ms 513 ms 496 ms 514 ms514 ms512 ms9 ms1.67 %
Page Load Time 1.986 s 1.983 s 2.052 s 2.007 s 2.053 s2.007 s2.016 s31 ms1.53 %
First Visual Change 1.166 s 1.133 s 1.133 s 1.133 s 1.133 s1.133 s1.140 s13 ms1.16 %
Last Visual Change 2.966 s 2.966 s 3.033 s 2.966 s 3.033 s2.966 s2.993 s33 ms1.10 %
Speed Index 1.300 s 1.275 s 1.285 s 1.278 s 1.286 s1.285 s1.285 s9 ms0.67 %
Visual Readiness 1.800 s 1.833 s 1.900 s 1.833 s 1.900 s1.833 s1.853 s40 ms2.16 %
Visual Complete 95 1.966 s 1.966 s 2.033 s 2.000 s 2.033 s2.000 s2.000 s30 ms1.50 %
Visual Complete 99 2.000 s 2.000 s 2.066 s 2.033 s 2.066 s2.033 s2.033 s30 ms1.45 %
CPU metrics
Browser metrics
CPU benchmark score 77 ms 76 ms 76 ms 77 ms 77 ms77 ms77 ms0 ms0.64 %
Page metrics
DOM elements 8608 8608 8608 8608 86088608860800.00 %
Document height 35792 35792 35792 35792 35792357923579200.00 %
Total Requests 60 60 60 60 60606000.00 %
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 868.1 KB 868.1 KB 838.6 KB 838.7 KB 838.6 KB838.7 KB850.4 KB14.4 KB1.70 %
HTML Transfer Size 136.0 KB 136.0 KB 136.0 KB 136.0 KB 136.0 KB136.0 KB136.0 KB0 b0.00 %
JavaScript Transfer Size 280.8 KB 280.8 KB 280.8 KB 280.8 KB 280.8 KB280.8 KB280.8 KB37 B0.01 %
CSS Transfer Size 25.6 KB 25.6 KB 25.6 KB 25.6 KB 25.6 KB25.6 KB25.6 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 39.3 KB 39.3 KB 39.3 KB 39.3 KB 39.3 KB39.3 KB39.3 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 60 60 60 60 60606000.00 %
First Party Total Transfer Size 868.1 KB 868.1 KB 838.6 KB 838.7 KB 838.6 KB838.7 KB850.4 KB14.4 KB1.70 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %