Metrics per run

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

Tested 2025-12-07 13:39:10 using Chrome 142.0.7444.59 (runtime settings).

Side by side

Metric1234567MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 504 ms 504 ms 488 ms 504 ms 487 ms 505 ms 487 ms504 ms497 ms8 ms1.69 %
First Contentful Paint 872 ms 876 ms 876 ms 888 ms 840 ms 884 ms 872 ms876 ms873 ms14 ms1.65 %
Largest Contentful Paint 872 ms 876 ms 876 ms 888 ms 840 ms 884 ms 872 ms876 ms873 ms14 ms1.65 %
Interaction to Next Paint 352 ms 352 ms 376 ms 368 ms 336 ms 360 ms 368 ms360 ms359 ms12 ms3.46 %
Total Blocking Time 23 ms 7 ms 25 ms 1 ms 24 ms 25 ms 9 ms23 ms16 ms9 ms58.23 %
Cumulative Layout Shift 0.039 0.04 0.039 0.04 0.04 0.04 0.040.040.0400.62 %
Timing metrics
First Paint 872 ms 876 ms 876 ms 888 ms 840 ms 884 ms 872 ms876 ms873 ms14 ms1.65 %
First Contentful Paint 872 ms 876 ms 876 ms 888 ms 840 ms 884 ms 872 ms876 ms873 ms14 ms1.65 %
Largest Contentful Paint 872 ms 876 ms 876 ms 888 ms 840 ms 884 ms 872 ms876 ms873 ms14 ms1.65 %
Load Event End 1.611 s 1.656 s 1.613 s 1.728 s 1.630 s 1.652 s 1.653 s1.652 s1.649 s37 ms2.22 %
Server Response Time 305 ms 305 ms 305 ms 305 ms 305 ms 305 ms 305 ms305 ms305 ms0 ms0.00 %
TTFB 504 ms 504 ms 488 ms 504 ms 487 ms 505 ms 487 ms504 ms497 ms8 ms1.69 %
Page Load Time 1.610 s 1.655 s 1.613 s 1.728 s 1.630 s 1.652 s 1.653 s1.652 s1.649 s37 ms2.23 %
First Visual Change 866 ms 866 ms 866 ms 900 ms 833 ms 866 ms 833 ms866 ms861 ms21 ms2.48 %
Last Visual Change 1.633 s 1.666 s 1.633 s 1.700 s 1.666 s 1.633 s 1.666 s1.666 s1.657 s23 ms1.41 %
Speed Index 956 ms 960 ms 958 ms 988 ms 933 ms 957 ms 929 ms957 ms954 ms18 ms1.89 %
Visual Readiness 767 ms 800 ms 767 ms 800 ms 833 ms 767 ms 833 ms800 ms795 ms27 ms3.46 %
Visual Complete 95 1.566 s 1.600 s 1.566 s 1.600 s 1.600 s 1.566 s 1.600 s1.600 s1.585 s17 ms1.06 %
Visual Complete 99 1.566 s 1.600 s 1.566 s 1.600 s 1.600 s 1.566 s 1.600 s1.600 s1.585 s17 ms1.06 %
CPU metrics
Total Blocking Time 23 ms 7 ms 25 ms 1 ms 24 ms 25 ms 9 ms23 ms16 ms9 ms58.23 %
Max Potential FID 73 ms 57 ms 75 ms 51 ms 74 ms 75 ms 59 ms73 ms66 ms9 ms14.31 %
Number of Long Tasks 2 2 2 2 2 2 22200.00 %
Total Duration of Long Tasks 206 ms 186 ms 214 ms 186 ms 202 ms 210 ms 191 ms202 ms199 ms11 ms5.38 %
Browser metrics
CPU benchmark score 34 ms 33 ms 33 ms 33 ms 33 ms 33 ms 34 ms33 ms33 ms0 ms1.36 %
Page metrics
Cumulative Layout Shift 0.039 0.04 0.039 0.04 0.04 0.04 0.040.040.0400.62 %
DOM elements 4460 4460 4460 4460 4460 4460 44594460446000.01 %
Document height 13901 13901 13901 13901 13901 13901 13901139011390100.00 %
Total Requests 71 71 72 71 71 71 72717100.63 %
HTML Requests 1 1 1 1 1 1 11100.00 %
JavaScript Requests 10 10 10 10 10 10 10101000.00 %
CSS Requests 3 3 3 3 3 3 33300.00 %
Font Requests 0 0 0 0 0 0 00000.00 %
HTTP Errors 0 0 0 0 0 0 0000N/A
Total Transfer Size 614.6 KB 614.9 KB 615.2 KB 614.9 KB 614.1 KB 614.1 KB 614.7 KB614.7 KB614.6 KB401 B0.06 %
HTML Transfer Size 60.6 KB 60.6 KB 60.6 KB 60.6 KB 60.6 KB 60.6 KB 60.6 KB60.6 KB60.6 KB0 b0.00 %
JavaScript Transfer Size 290.3 KB 290.3 KB 290.3 KB 290.3 KB 290.3 KB 290.3 KB 290.3 KB290.3 KB290.3 KB1 B0.00 %
CSS Transfer Size 27.9 KB 27.9 KB 27.9 KB 27.9 KB 27.9 KB 27.9 KB 27.9 KB27.9 KB27.9 KB1 B0.00 %
Font Transfer Size 0 b 0 b 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Favicon Transfer Size 1.8 KB 1.8 KB 1.8 KB 1.8 KB 1.8 KB 1.8 KB 1.8 KB1.8 KB1.8 KB0 b0.02 %
SVG Transfer Size 68.0 KB 68.2 KB 68.0 KB 68.2 KB 68.0 KB 68.0 KB 68.0 KB68.0 KB68.1 KB81 B0.12 %
Total Content Size 1.8 MB 1.8 MB 1.8 MB 1.8 MB 1.8 MB 1.8 MB 1.8 MB1.8 MB1.8 MB247 B0.01 %
HTML Content Size 333.2 KB 333.2 KB 333.2 KB 333.2 KB 333.2 KB 333.2 KB 333.2 KB333.2 KB333.2 KB0 b0.00 %
JavaScript Content Size 1.1 MB 1.1 MB 1.1 MB 1.1 MB 1.1 MB 1.1 MB 1.1 MB1.1 MB1.1 MB0 b0.00 %
CSS Content Size 187.5 KB 187.5 KB 187.5 KB 187.5 KB 187.5 KB 187.5 KB 187.5 KB187.5 KB187.5 KB0 b0.00 %
Image Content Size 125.4 KB 125.4 KB 125.4 KB 125.4 KB 124.9 KB 124.9 KB 124.9 KB125.4 KB125.2 KB247 B0.19 %
Font Content Size 0 b 0 b 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Favicon Content Size 2.7 KB 2.7 KB 2.7 KB 2.7 KB 2.7 KB 2.7 KB 2.7 KB2.7 KB2.7 KB0 b0.00 %
SVG Content Size 124.5 KB 124.5 KB 124.5 KB 124.5 KB 124.5 KB 124.5 KB 124.5 KB124.5 KB124.5 KB0 b0.00 %
Third Party metrics
First Party metrics
First Party Requests 71 71 72 71 71 71 72717100.63 %
First Party Total Transfer Size 614.6 KB 614.9 KB 615.2 KB 614.9 KB 614.1 KB 614.1 KB 614.7 KB614.7 KB614.6 KB401 B0.06 %
First Party Total Content Size 1.8 MB 1.8 MB 1.8 MB 1.8 MB 1.8 MB 1.8 MB 1.8 MB1.8 MB1.8 MB247 B0.01 %