Metrics per run

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

Tested 2025-09-17 19:24:14 using Firefox 142.0.1 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 589 ms 575 ms 590 ms 631 ms 746 ms590 ms626 ms63 ms10.02 %
First Contentful Paint 914 ms 880 ms 881 ms 1.084 s 1.067 s914 ms965 ms91 ms9.43 %
Largest Contentful Paint 2.021 s 1.901 s 1.779 s 1.695 s 1.762 s1.779 s1.832 s116 ms6.32 %
Timing metrics
First Paint 998 ms 965 ms 963 ms 1.089 s 1.148 s998 ms1.033 s74 ms7.13 %
First Contentful Paint 914 ms 880 ms 881 ms 1.084 s 1.067 s914 ms965 ms91 ms9.43 %
Largest Contentful Paint 2.021 s 1.901 s 1.779 s 1.695 s 1.762 s1.779 s1.832 s116 ms6.32 %
Load Event End 2.228 s 2.095 s 2.081 s 2.098 s 2.082 s2.095 s2.117 s56 ms2.65 %
Server Response Time 197 ms 194 ms 194 ms 314 ms 319 ms197 ms244 ms60 ms24.45 %
TTFB 589 ms 575 ms 590 ms 631 ms 746 ms590 ms626 ms63 ms10.02 %
Page Load Time 2.228 s 2.095 s 2.081 s 2.098 s 2.082 s2.095 s2.117 s56 ms2.65 %
First Visual Change 1.033 s 1.033 s 1.000 s 1.133 s 1.200 s1.033 s1.080 s75 ms6.93 %
Last Visual Change 3.200 s 3.066 s 3.000 s 3.233 s 3.066 s3.066 s3.113 s88 ms2.84 %
Speed Index 1.231 s 1.217 s 1.178 s 1.275 s 1.345 s1.231 s1.249 s57 ms4.57 %
Visual Readiness 2.167 s 2.033 s 2.000 s 2.100 s 1.866 s2.033 s2.033 s101 ms4.99 %
Visual Complete 95 2.033 s 2.000 s 1.967 s 1.933 s 2.033 s2.000 s1.993 s39 ms1.95 %
Visual Complete 99 2.067 s 2.000 s 2.033 s 2.000 s 2.100 s2.033 s2.040 s39 ms1.91 %
CPU metrics
Browser metrics
CPU benchmark score 53 ms 51 ms 52 ms 53 ms 53 ms53 ms52 ms1 ms1.53 %
Page metrics
DOM elements 4461 4461 4462 4461 44614461446100.01 %
Document height 15026 15026 15026 15026 15026150261502600.00 %
Total Requests 74 74 74 74 74747400.00 %
HTML Requests 1 1 1 1 11100.00 %
JavaScript Requests 10 10 10 10 10101000.00 %
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 610.4 KB 610.4 KB 610.4 KB 610.4 KB 610.3 KB610.4 KB610.4 KB37 B0.01 %
HTML Transfer Size 60.5 KB 60.5 KB 60.5 KB 60.5 KB 60.5 KB60.5 KB60.5 KB0 b0.00 %
JavaScript Transfer Size 286.0 KB 286.0 KB 286.0 KB 286.0 KB 285.9 KB286.0 KB286.0 KB38 B0.01 %
CSS Transfer Size 28.6 KB 28.6 KB 28.6 KB 28.6 KB 28.6 KB28.6 KB28.6 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 34.2 KB 34.2 KB 34.2 KB 34.2 KB 34.2 KB34.2 KB34.2 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 74 74 74 74 74747400.00 %
First Party Total Transfer Size 610.4 KB 610.4 KB 610.4 KB 610.4 KB 610.3 KB610.4 KB610.4 KB37 B0.01 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %