Metrics per run

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

Tested 2026-03-04 10:41:14 using Firefox 147.0 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 442 ms 442 ms 443 ms 445 ms 441 ms442 ms443 ms1 ms0.31 %
First Contentful Paint 1.294 s 1.307 s 1.311 s 1.345 s 1.308 s1.308 s1.313 s17 ms1.30 %
Largest Contentful Paint 1.294 s 1.307 s 1.311 s 1.345 s 1.308 s1.308 s1.313 s17 ms1.30 %
Timing metrics
First Paint 1.293 s 1.306 s 1.311 s 1.344 s 1.308 s1.308 s1.312 s17 ms1.29 %
First Contentful Paint 1.294 s 1.307 s 1.311 s 1.345 s 1.308 s1.308 s1.313 s17 ms1.30 %
Largest Contentful Paint 1.294 s 1.307 s 1.311 s 1.345 s 1.308 s1.308 s1.313 s17 ms1.30 %
Load Event End 1.741 s 1.826 s 1.709 s 1.744 s 1.784 s1.744 s1.761 s40 ms2.29 %
Server Response Time 120 ms 120 ms 120 ms 120 ms 120 ms120 ms120 ms0 ms0.00 %
TTFB 442 ms 442 ms 443 ms 445 ms 441 ms442 ms443 ms1 ms0.31 %
Page Load Time 1.741 s 1.826 s 1.708 s 1.744 s 1.784 s1.744 s1.761 s41 ms2.31 %
First Visual Change 1.367 s 1.333 s 1.367 s 1.367 s 1.367 s1.367 s1.360 s14 ms1.00 %
Last Visual Change 13.033 s 13.000 s 13.033 s 13.033 s 13.100 s13.033 s13.040 s33 ms0.25 %
Speed Index 1.744 s 1.719 s 1.744 s 1.754 s 1.683 s1.744 s1.729 s26 ms1.48 %
Visual Readiness 11.666 s 11.667 s 11.666 s 11.666 s 11.733 s11.666 s11.680 s27 ms0.23 %
Visual Complete 95 1.400 s 2.500 s 1.367 s 2.400 s 2.467 s2.400 s2.027 s526 ms25.97 %
Visual Complete 99 9.700 s 9.667 s 9.700 s 9.700 s 9.700 s9.700 s9.693 s13 ms0.14 %
CPU metrics
Browser metrics
CPU benchmark score 79 ms 80 ms 79 ms 79 ms 79 ms79 ms79 ms0 ms0.51 %
Page metrics
DOM elements 13691 13691 13691 13691 13691136911369100.00 %
Document height 51332 51360 51332 51358 513335133351343130.03 %
Total Requests 63 62 60 61 62626211.66 %
HTML Requests 1 1 1 1 11100.00 %
JavaScript Requests 8 8 8 8 88800.00 %
CSS Requests 2 2 2 2 22200.00 %
Font Requests 0 0 0 0 00000.00 %
HTTP Errors 0 0 0 0 0000N/A
Total Transfer Size 1.3 MB 1.3 MB 1.3 MB 1.3 MB 1.3 MB1.3 MB1.3 MB1.4 KB0.10 %
HTML Transfer Size 199.4 KB 199.4 KB 199.4 KB 199.4 KB 199.4 KB199.4 KB199.4 KB0 b0.00 %
JavaScript Transfer Size 303.5 KB 303.5 KB 303.5 KB 303.5 KB 303.5 KB303.5 KB303.5 KB2 B0.00 %
CSS Transfer Size 27.5 KB 27.5 KB 27.5 KB 27.5 KB 27.5 KB27.5 KB27.5 KB0 b0.00 %
Font Transfer Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Favicon Transfer Size 2.0 KB 2.0 KB 2.0 KB 2.0 KB 2.0 KB2.0 KB2.0 KB0 b0.00 %
SVG Transfer Size 86.7 KB 86.7 KB 81.4 KB 81.4 KB 86.7 KB86.7 KB84.6 KB2.6 KB3.09 %
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 63 62 60 61 62626211.66 %
First Party Total Transfer Size 1.3 MB 1.3 MB 1.3 MB 1.3 MB 1.3 MB1.3 MB1.3 MB1.4 KB0.10 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %