Metrics per run

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

Tested 2026-03-28 02:36:30 using Firefox 148.0.2 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 628 ms 424 ms 427 ms 425 ms 416 ms425 ms464 ms82 ms17.69 %
First Contentful Paint 1.175 s 877 ms 867 ms 881 ms 831 ms877 ms926 ms126 ms13.57 %
Largest Contentful Paint 1.577 s 1.306 s 1.500 s 1.528 s 1.519 s1.519 s1.486 s94 ms6.29 %
Timing metrics
First Paint 1.175 s 876 ms 867 ms 880 ms 831 ms876 ms926 ms126 ms13.59 %
First Contentful Paint 1.175 s 877 ms 867 ms 881 ms 831 ms877 ms926 ms126 ms13.57 %
Largest Contentful Paint 1.577 s 1.306 s 1.500 s 1.528 s 1.519 s1.519 s1.486 s94 ms6.29 %
Load Event End 2.033 s 1.723 s 1.819 s 1.741 s 1.715 s1.741 s1.806 s119 ms6.60 %
Server Response Time 306 ms 104 ms 104 ms 103 ms 104 ms104 ms144 ms81 ms56.10 %
TTFB 628 ms 424 ms 427 ms 425 ms 416 ms425 ms464 ms82 ms17.69 %
Page Load Time 2.033 s 1.722 s 1.818 s 1.741 s 1.715 s1.741 s1.806 s119 ms6.61 %
First Visual Change 1.233 s 933 ms 933 ms 933 ms 900 ms933 ms986 ms124 ms12.57 %
Last Visual Change 3.133 s 2.800 s 2.866 s 2.833 s 2.866 s2.866 s2.900 s119 ms4.11 %
Speed Index 1.285 s 982 ms 1.006 s 1.003 s 975 ms1.003 s1.050 s118 ms11.24 %
Visual Readiness 1.900 s 1.867 s 1.933 s 1.900 s 1.966 s1.900 s1.913 s34 ms1.76 %
Visual Complete 95 1.566 s 1.200 s 1.533 s 1.500 s 1.500 s1.500 s1.460 s132 ms9.06 %
Visual Complete 99 1.933 s 1.566 s 1.566 s 1.533 s 1.600 s1.566 s1.640 s148 ms9.04 %
CPU metrics
Browser metrics
CPU benchmark score 77 ms 76 ms 76 ms 77 ms 76 ms76 ms76 ms0 ms0.64 %
Page metrics
DOM elements 5362 5362 5362 5362 53625362536200.00 %
Document height 16394 16394 16394 16394 16394163941639400.00 %
Total Requests 71 70 70 70 70707000.57 %
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 629.8 KB 626.3 KB 626.3 KB 626.3 KB 626.3 KB626.3 KB627.0 KB1.4 KB0.22 %
HTML Transfer Size 87.2 KB 87.1 KB 87.1 KB 87.1 KB 87.1 KB87.1 KB87.1 KB54 B0.06 %
JavaScript Transfer Size 308.5 KB 307.9 KB 307.9 KB 307.9 KB 307.9 KB307.9 KB308.0 KB229 B0.07 %
CSS Transfer Size 33.1 KB 32.9 KB 32.9 KB 32.9 KB 32.9 KB32.9 KB33.0 KB76 B0.22 %
Font Transfer Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Favicon Transfer Size 2.1 KB 2.0 KB 2.0 KB 2.0 KB 2.0 KB2.0 KB2.1 KB32 B1.54 %
Plain Transfer Size 973 B N/A N/A N/A N/A973 B973 B0 b0.00 %
SVG Transfer Size 36.1 KB 34.6 KB 34.6 KB 34.6 KB 34.6 KB34.6 KB34.9 KB589 B1.65 %
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 %
Plain Content Size 0 b N/A N/A N/A N/A0 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 70 70 70 70707000.57 %
First Party Total Transfer Size 629.8 KB 626.3 KB 626.3 KB 626.3 KB 626.3 KB626.3 KB627.0 KB1.4 KB0.22 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %