Metrics per run

https://it.wikipedia.org/wiki/Jannik_Sinner

Tested 2025-07-12 04:29:23 using Firefox 140.0.1 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 579 ms 494 ms 618 ms 513 ms 494 ms513 ms540 ms50 ms9.29 %
First Contentful Paint 863 ms 830 ms 982 ms 796 ms 796 ms830 ms853 ms69 ms8.08 %
Largest Contentful Paint 1.508 s 1.426 s 1.543 s 1.425 s 1.446 s1.446 s1.470 s48 ms3.24 %
Timing metrics
First Paint 929 ms 836 ms 987 ms 862 ms 862 ms862 ms895 ms55 ms6.18 %
First Contentful Paint 863 ms 830 ms 982 ms 796 ms 796 ms830 ms853 ms69 ms8.08 %
Largest Contentful Paint 1.508 s 1.426 s 1.543 s 1.425 s 1.446 s1.446 s1.470 s48 ms3.24 %
Load Event End 2.006 s 2.020 s 1.972 s 1.838 s 1.862 s1.972 s1.940 s75 ms3.88 %
Server Response Time 195 ms 195 ms 193 ms 195 ms 194 ms195 ms194 ms1 ms0.41 %
TTFB 579 ms 494 ms 618 ms 513 ms 494 ms513 ms540 ms50 ms9.29 %
Page Load Time 2.005 s 2.019 s 1.972 s 1.838 s 1.862 s1.972 s1.939 s75 ms3.86 %
First Visual Change 1.000 s 900 ms 1.033 s 900 ms 933 ms933 ms953 ms54 ms5.67 %
Last Visual Change 2.833 s 2.800 s 2.833 s 2.700 s 2.766 s2.800 s2.786 s50 ms1.79 %
Speed Index 1.079 s 984 ms 1.108 s 979 ms 1.012 s1.012 s1.032 s52 ms5.03 %
Visual Readiness 1.833 s 1.900 s 1.800 s 1.800 s 1.833 s1.833 s1.833 s37 ms1.99 %
Visual Complete 95 1.533 s 1.466 s 1.533 s 1.433 s 1.466 s1.466 s1.486 s40 ms2.70 %
Visual Complete 99 1.600 s 1.533 s 1.600 s 1.500 s 1.533 s1.533 s1.553 s40 ms2.58 %
CPU metrics
Browser metrics
CPU benchmark score 52 ms 51 ms 51 ms 52 ms 52 ms52 ms52 ms0 ms0.95 %
Page metrics
DOM elements 4016 4016 4016 4016 40164016401600.00 %
Document height 13879 13879 13879 13879 13879138791387900.00 %
Total Requests 71 71 71 71 71717100.00 %
HTML Requests 1 1 1 1 11100.00 %
JavaScript Requests 9 9 9 9 99900.00 %
CSS Requests 3 3 3 3 33300.00 %
Font Requests 0 0 0 0 00000.00 %
HTTP Errors 0 0 0 0 0000N/A
Total Transfer Size 547.1 KB 547.1 KB 547.1 KB 547.1 KB 547.1 KB547.1 KB547.1 KB3 B0.00 %
HTML Transfer Size 57.5 KB 57.5 KB 57.5 KB 57.5 KB 57.5 KB57.5 KB57.5 KB0 b0.00 %
JavaScript Transfer Size 280.1 KB 280.1 KB 280.1 KB 280.1 KB 280.1 KB280.1 KB280.1 KB0 b0.00 %
CSS Transfer Size 28.2 KB 28.2 KB 28.2 KB 28.2 KB 28.2 KB28.2 KB28.2 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 27.8 KB 27.8 KB 27.8 KB 27.8 KB 27.8 KB27.8 KB27.8 KB1 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 71 71 71 71 71717100.00 %
First Party Total Transfer Size 547.1 KB 547.1 KB 547.1 KB 547.1 KB 547.1 KB547.1 KB547.1 KB3 B0.00 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %