Metrics per run

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

Tested 2025-09-01 04:20:23 using Firefox 142.0 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 626 ms 618 ms 585 ms 660 ms 593 ms618 ms616 ms27 ms4.31 %
First Contentful Paint 914 ms 932 ms 898 ms 965 ms 948 ms932 ms931 ms24 ms2.55 %
Largest Contentful Paint 1.679 s 1.660 s 1.661 s 1.678 s 1.492 s1.661 s1.634 s71 ms4.37 %
Timing metrics
First Paint 972 ms 995 ms 957 ms 1.032 s 1.007 s995 ms993 ms26 ms2.65 %
First Contentful Paint 914 ms 932 ms 898 ms 965 ms 948 ms932 ms931 ms24 ms2.55 %
Largest Contentful Paint 1.679 s 1.660 s 1.661 s 1.678 s 1.492 s1.661 s1.634 s71 ms4.37 %
Load Event End 2.102 s 2.135 s 2.064 s 2.135 s 2.285 s2.135 s2.144 s75 ms3.50 %
Server Response Time 292 ms 190 ms 268 ms 248 ms 157 ms248 ms231 ms50 ms21.68 %
TTFB 626 ms 618 ms 585 ms 660 ms 593 ms618 ms616 ms27 ms4.31 %
Page Load Time 2.102 s 2.134 s 2.064 s 2.134 s 2.284 s2.134 s2.144 s75 ms3.49 %
First Visual Change 1.033 s 1.033 s 1.000 s 1.067 s 1.033 s1.033 s1.033 s21 ms2.05 %
Last Visual Change 2.933 s 3.000 s 2.867 s 3.067 s 3.233 s3.000 s3.020 s126 ms4.16 %
Speed Index 1.194 s 1.194 s 1.152 s 1.231 s 1.204 s1.194 s1.195 s25 ms2.13 %
Visual Readiness 1.900 s 1.967 s 1.867 s 2.000 s 2.200 s1.967 s1.987 s117 ms5.87 %
Visual Complete 95 1.900 s 1.967 s 1.867 s 2.034 s 2.200 s1.967 s1.994 s118 ms5.92 %
Visual Complete 99 2.000 s 1.967 s 1.867 s 2.067 s 2.300 s2.000 s2.040 s145 ms7.11 %
CPU metrics
Browser metrics
CPU benchmark score 51 ms 51 ms 52 ms 52 ms 53 ms52 ms52 ms1 ms1.44 %
Page metrics
DOM elements 4358 4357 4357 4357 43574357435700.01 %
Document height 14650 14650 14650 14650 14650146501465000.00 %
Total Requests 75 75 75 75 75757500.00 %
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 688.6 KB 688.7 KB 688.7 KB 688.7 KB 688.9 KB688.7 KB688.7 KB94 B0.01 %
HTML Transfer Size 59.4 KB 59.4 KB 59.4 KB 59.4 KB 59.4 KB59.4 KB59.4 KB0 b0.00 %
JavaScript Transfer Size 369.8 KB 369.8 KB 369.8 KB 369.8 KB 369.8 KB369.8 KB369.8 KB0 b0.00 %
CSS Transfer Size 28.5 KB 28.5 KB 28.5 KB 28.5 KB 28.5 KB28.5 KB28.5 KB1 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 33.5 KB 33.5 KB 33.5 KB 33.5 KB 33.5 KB33.5 KB33.5 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 75 75 75 75 75757500.00 %
First Party Total Transfer Size 688.6 KB 688.7 KB 688.7 KB 688.7 KB 688.9 KB688.7 KB688.7 KB94 B0.01 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %