Metrics per run

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

Tested 2026-04-29 16:05:35 using Firefox 148.0.2 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 500 ms 778 ms 425 ms 620 ms 426 ms500 ms550 ms134 ms24.45 %
First Contentful Paint 969 ms 1.438 s 886 ms 1.201 s 882 ms969 ms1.075 s215 ms20.03 %
Largest Contentful Paint 1.356 s 1.730 s 1.343 s 1.863 s 1.355 s1.356 s1.529 s222 ms14.53 %
Timing metrics
First Paint 968 ms 1.438 s 885 ms 1.201 s 881 ms968 ms1.075 s216 ms20.08 %
First Contentful Paint 969 ms 1.438 s 886 ms 1.201 s 882 ms969 ms1.075 s215 ms20.03 %
Largest Contentful Paint 1.356 s 1.730 s 1.343 s 1.863 s 1.355 s1.356 s1.529 s222 ms14.53 %
Load Event End 1.829 s 2.047 s 1.823 s 2.042 s 1.786 s1.829 s1.905 s115 ms6.01 %
Server Response Time 105 ms 452 ms 102 ms 296 ms 106 ms106 ms212 ms141 ms66.46 %
TTFB 500 ms 778 ms 425 ms 620 ms 426 ms500 ms550 ms134 ms24.45 %
Page Load Time 1.828 s 2.047 s 1.822 s 2.041 s 1.785 s1.828 s1.905 s115 ms6.03 %
First Visual Change 1.000 s 1.467 s 933 ms 1.266 s 933 ms1.000 s1.120 s213 ms18.99 %
Last Visual Change 2.900 s 3.500 s 2.967 s 3.233 s 2.866 s2.967 s3.093 s241 ms7.78 %
Speed Index 1.050 s 1.515 s 988 ms 1.338 s 989 ms1.050 s1.176 s213 ms18.13 %
Visual Readiness 1.900 s 2.033 s 2.034 s 1.967 s 1.933 s1.967 s1.973 s53 ms2.71 %
Visual Complete 95 1.367 s 1.733 s 1.333 s 1.900 s 1.366 s1.367 s1.540 s232 ms15.09 %
Visual Complete 99 1.767 s 2.233 s 1.667 s 2.033 s 1.733 s1.767 s1.887 s213 ms11.31 %
CPU metrics
Browser metrics
CPU benchmark score 76 ms 77 ms 78 ms 76 ms 76 ms76 ms77 ms1 ms1.04 %
Page metrics
DOM elements 5508 5509 5508 5508 55085508550800.01 %
Document height 17525 17525 17525 17525 17525175251752500.00 %
Total Requests 72 72 72 72 72727200.00 %
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 633.1 KB 629.5 KB 629.6 KB 630.3 KB 627.6 KB629.6 KB630.0 KB1.8 KB0.28 %
HTML Transfer Size 89.8 KB 89.9 KB 89.9 KB 89.9 KB 89.8 KB89.9 KB89.9 KB49 B0.05 %
JavaScript Transfer Size 307.6 KB 308.0 KB 308.1 KB 308.2 KB 307.6 KB308.0 KB307.9 KB237 B0.08 %
CSS Transfer Size 32.8 KB 33.0 KB 33.0 KB 33.0 KB 32.8 KB33.0 KB32.9 KB73 B0.22 %
Font Transfer Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Favicon Transfer Size 2.0 KB 2.1 KB 2.1 KB 2.1 KB 2.0 KB2.1 KB2.0 KB34 B1.63 %
SVG Transfer Size 35.7 KB 36.8 KB 36.8 KB 37.2 KB 35.7 KB36.8 KB36.4 KB656 B1.76 %
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 72 72 72 72 72727200.00 %
First Party Total Transfer Size 633.1 KB 629.5 KB 629.6 KB 630.3 KB 627.6 KB629.6 KB630.0 KB1.8 KB0.28 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %