Metrics per run

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

Tested 2026-04-12 22:49:48 using Firefox 148.0.2 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 638 ms 425 ms 424 ms 426 ms 712 ms426 ms525 ms125 ms23.75 %
First Contentful Paint 1.192 s 856 ms 871 ms 852 ms 1.364 s871 ms1.027 s212 ms20.66 %
Largest Contentful Paint 1.668 s 1.204 s 1.272 s 1.323 s 1.800 s1.323 s1.453 s236 ms16.23 %
Timing metrics
First Paint 1.192 s 856 ms 870 ms 852 ms 1.363 s870 ms1.027 s212 ms20.65 %
First Contentful Paint 1.192 s 856 ms 871 ms 852 ms 1.364 s871 ms1.027 s212 ms20.66 %
Largest Contentful Paint 1.668 s 1.204 s 1.272 s 1.323 s 1.800 s1.323 s1.453 s236 ms16.23 %
Load Event End 1.999 s 1.683 s 1.693 s 1.686 s 2.187 s1.693 s1.850 s207 ms11.22 %
Server Response Time 331 ms 104 ms 102 ms 104 ms 390 ms104 ms206 ms127 ms61.77 %
TTFB 638 ms 425 ms 424 ms 426 ms 712 ms426 ms525 ms125 ms23.75 %
Page Load Time 1.999 s 1.683 s 1.692 s 1.685 s 2.187 s1.692 s1.849 s208 ms11.24 %
First Visual Change 1.233 s 933 ms 933 ms 933 ms 1.433 s933 ms1.093 s206 ms18.84 %
Last Visual Change 3.133 s 2.800 s 2.833 s 2.833 s 3.333 s2.833 s2.986 s211 ms7.08 %
Speed Index 1.285 s 980 ms 988 ms 987 ms 1.483 s988 ms1.145 s205 ms17.93 %
Visual Readiness 1.900 s 1.867 s 1.900 s 1.900 s 1.900 s1.900 s1.893 s13 ms0.70 %
Visual Complete 95 1.667 s 1.233 s 1.300 s 1.366 s 1.833 s1.366 s1.480 s231 ms15.59 %
Visual Complete 99 1.867 s 1.600 s 1.633 s 1.633 s 2.066 s1.633 s1.760 s181 ms10.26 %
CPU metrics
Browser metrics
CPU benchmark score 77 ms 76 ms 78 ms 76 ms 76 ms76 ms77 ms1 ms1.04 %
Page metrics
DOM elements 5460 5460 5460 5460 54605460546000.00 %
Document height 16962 16962 16962 16962 16962169621696200.00 %
Total Requests 73 73 73 73 73737300.00 %
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 627.7 KB 627.8 KB 627.8 KB 627.8 KB 627.8 KB627.8 KB627.8 KB16 B0.00 %
HTML Transfer Size 88.9 KB 89.0 KB 89.0 KB 89.0 KB 88.9 KB89.0 KB89.0 KB16 B0.02 %
JavaScript Transfer Size 306.1 KB 306.1 KB 306.1 KB 306.1 KB 306.1 KB306.1 KB306.1 KB8 B0.00 %
CSS Transfer Size 32.9 KB 32.9 KB 32.9 KB 32.9 KB 32.9 KB32.9 KB32.9 KB1 B0.00 %
Font Transfer Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Favicon Transfer Size 2.0 KB 2.0 KB 2.0 KB 2.0 KB 2.0 KB2.0 KB2.0 KB0 b0.00 %
SVG Transfer Size 35.7 KB 35.7 KB 35.7 KB 35.7 KB 35.7 KB35.7 KB35.7 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 73 73 73 73 73737300.00 %
First Party Total Transfer Size 627.7 KB 627.8 KB 627.8 KB 627.8 KB 627.8 KB627.8 KB627.8 KB16 B0.00 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %