Metrics per run

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

Tested 2025-07-12 04:36:45 using Firefox 140.0.1 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 514 ms 518 ms 519 ms 514 ms 526 ms518 ms518 ms4 ms0.85 %
First Contentful Paint 863 ms 864 ms 796 ms 846 ms 796 ms846 ms833 ms31 ms3.71 %
Largest Contentful Paint 1.530 s 1.475 s 1.485 s 1.513 s 1.527 s1.513 s1.506 s22 ms1.48 %
Timing metrics
First Paint 864 ms 930 ms 862 ms 862 ms 871 ms864 ms878 ms26 ms3.00 %
First Contentful Paint 863 ms 864 ms 796 ms 846 ms 796 ms846 ms833 ms31 ms3.71 %
Largest Contentful Paint 1.530 s 1.475 s 1.485 s 1.513 s 1.527 s1.513 s1.506 s22 ms1.48 %
Load Event End 1.842 s 1.926 s 1.936 s 1.958 s 1.841 s1.926 s1.901 s49 ms2.60 %
Server Response Time 194 ms 194 ms 199 ms 194 ms 195 ms194 ms195 ms2 ms0.99 %
TTFB 514 ms 518 ms 519 ms 514 ms 526 ms518 ms518 ms4 ms0.85 %
Page Load Time 1.842 s 1.926 s 1.936 s 1.958 s 1.840 s1.926 s1.900 s50 ms2.61 %
First Visual Change 900 ms 967 ms 900 ms 900 ms 900 ms900 ms913 ms27 ms2.93 %
Last Visual Change 2.700 s 2.767 s 2.700 s 2.700 s 2.700 s2.700 s2.713 s27 ms0.99 %
Speed Index 956 ms 1.019 s 954 ms 954 ms 956 ms956 ms968 ms26 ms2.65 %
Visual Readiness 1.800 s 1.800 s 1.800 s 1.800 s 1.800 s1.800 s1.800 s0 ms0.00 %
Visual Complete 95 1.500 s 1.467 s 1.467 s 1.467 s 1.467 s1.467 s1.474 s13 ms0.90 %
Visual Complete 99 1.533 s 1.600 s 1.467 s 1.500 s 1.533 s1.533 s1.527 s44 ms2.89 %
CPU metrics
Browser metrics
CPU benchmark score 52 ms 52 ms 54 ms 53 ms 52 ms52 ms53 ms1 ms1.52 %
Page metrics
DOM elements 5297 5297 5297 5297 52975297529700.00 %
Document height 26722 26722 26722 26722 26722267222672200.00 %
Total Requests 59 59 59 59 59595900.00 %
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 577.7 KB 577.7 KB 576.8 KB 576.8 KB 576.8 KB576.8 KB577.2 KB461 B0.08 %
HTML Transfer Size 82.7 KB 82.7 KB 82.7 KB 82.7 KB 82.7 KB82.7 KB82.7 KB0 b0.00 %
JavaScript Transfer Size 285.6 KB 285.6 KB 285.6 KB 285.6 KB 285.6 KB285.6 KB285.6 KB1 B0.00 %
CSS Transfer Size 29.1 KB 29.1 KB 29.1 KB 29.1 KB 29.1 KB29.1 KB29.1 KB9 B0.03 %
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 28.9 KB 28.9 KB 28.9 KB 28.9 KB 28.9 KB28.9 KB28.9 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 59 59 59 59 59595900.00 %
First Party Total Transfer Size 577.7 KB 577.7 KB 576.8 KB 576.8 KB 576.8 KB576.8 KB577.2 KB461 B0.08 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %