Metrics per run

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

Tested 2025-09-01 04:14:56 using Chrome 139.0.7258.127 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 503 ms 505 ms 607 ms 505 ms 487 ms505 ms521 ms43 ms8.31 %
First Contentful Paint 808 ms 736 ms 852 ms 740 ms 720 ms740 ms771 ms50 ms6.54 %
Largest Contentful Paint 948 ms 864 ms 1.024 s 924 ms 904 ms924 ms933 ms53 ms5.71 %
Interaction to Next Paint 152 ms 136 ms 176 ms NaN s 168 ms160 ms158 ms15 ms9.72 %
Total Blocking Time 0 ms 0 ms 0 ms 61 ms 78 ms0 ms28 ms34 ms123.99 %
Cumulative Layout Shift 0.052 0.052 0.052 0.052 0.0520.0520.05200.00 %
Timing metrics
First Paint 808 ms 736 ms 852 ms 740 ms 720 ms740 ms771 ms50 ms6.54 %
First Contentful Paint 808 ms 736 ms 852 ms 740 ms 720 ms740 ms771 ms50 ms6.54 %
Largest Contentful Paint 948 ms 864 ms 1.024 s 924 ms 904 ms924 ms933 ms53 ms5.71 %
Load Event End 1.918 s 2.005 s 1.913 s 1.846 s 1.807 s1.913 s1.898 s68 ms3.58 %
Server Response Time 344 ms 344 ms 344 ms 344 ms 343 ms344 ms344 ms0 ms0.12 %
TTFB 503 ms 505 ms 607 ms 505 ms 487 ms505 ms521 ms43 ms8.31 %
Page Load Time 1.918 s 2.004 s 1.913 s 1.845 s 1.806 s1.913 s1.897 s68 ms3.59 %
First Visual Change 800 ms 733 ms 833 ms 733 ms 733 ms733 ms766 ms42 ms5.51 %
Last Visual Change 1.700 s 1.833 s 1.766 s 1.733 s 1.666 s1.733 s1.740 s57 ms3.30 %
Speed Index 991 ms 937 ms 1.052 s 956 ms 937 ms956 ms975 ms43 ms4.46 %
Visual Readiness 900 ms 1.100 s 933 ms 1.000 s 933 ms933 ms973 ms71 ms7.32 %
Visual Complete 95 1.700 s 1.833 s 1.766 s 1.733 s 1.666 s1.733 s1.740 s57 ms3.30 %
Visual Complete 99 1.700 s 1.833 s 1.766 s 1.733 s 1.666 s1.733 s1.740 s57 ms3.30 %
CPU metrics
Total Blocking Time 0 ms 0 ms 0 ms 61 ms 78 ms0 ms28 ms34 ms123.99 %
Max Potential FID 0 ms 0 ms 0 ms 111 ms 128 ms0 ms48 ms59 ms122.99 %
Number of Long Tasks 1 1 1 1 11100.00 %
Total Duration of Long Tasks 105 ms 92 ms 126 ms 111 ms 128 ms111 ms112 ms13 ms11.94 %
Browser metrics
CPU benchmark score 34 ms 33 ms 33 ms 33 ms 33 ms33 ms33 ms0 ms1.20 %
Page metrics
Cumulative Layout Shift 0.052 0.052 0.052 0.052 0.0520.0520.05200.00 %
DOM elements 5307 5307 5307 5307 53075307530700.00 %
Document height 24576 24576 24576 24576 24576245762457600.00 %
Total Requests 62 62 62 62 62626200.00 %
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 689.4 KB 689.9 KB 689.9 KB 689.9 KB 689.9 KB689.9 KB689.8 KB211 B0.03 %
HTML Transfer Size 82.6 KB 82.6 KB 82.6 KB 82.6 KB 82.6 KB82.6 KB82.6 KB0 b0.00 %
JavaScript Transfer Size 374.3 KB 374.3 KB 374.3 KB 374.3 KB 374.3 KB374.3 KB374.3 KB1 B0.00 %
CSS Transfer Size 28.9 KB 28.8 KB 28.8 KB 28.8 KB 28.8 KB28.8 KB28.8 KB4 B0.01 %
Font Transfer Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Favicon Transfer Size 1.7 KB 1.7 KB 1.7 KB 1.7 KB 1.7 KB1.7 KB1.7 KB0 b0.00 %
SVG Transfer Size 30.3 KB 30.5 KB 30.5 KB 30.5 KB 30.5 KB30.5 KB30.4 KB72 B0.23 %
Total Content Size 2.3 MB 2.3 MB 2.3 MB 2.3 MB 2.3 MB2.3 MB2.3 MB0 b0.00 %
HTML Content Size 393.7 KB 393.7 KB 393.7 KB 393.7 KB 393.7 KB393.7 KB393.7 KB0 b0.00 %
JavaScript Content Size 1.6 MB 1.6 MB 1.6 MB 1.6 MB 1.6 MB1.6 MB1.6 MB0 b0.00 %
CSS Content Size 197.7 KB 197.7 KB 197.7 KB 197.7 KB 197.7 KB197.7 KB197.7 KB0 b0.00 %
Image Content Size 146.1 KB 146.1 KB 146.1 KB 146.1 KB 146.1 KB146.1 KB146.1 KB0 b0.00 %
Font Content Size 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 KB2.7 KB2.7 KB0 b0.00 %
SVG Content Size 36.0 KB 36.0 KB 36.0 KB 36.0 KB 36.0 KB36.0 KB36.0 KB0 b0.00 %
Third Party metrics
First Party metrics
First Party Requests 62 62 62 62 62626200.00 %
First Party Total Transfer Size 689.4 KB 689.9 KB 689.9 KB 689.9 KB 689.9 KB689.9 KB689.8 KB211 B0.03 %
First Party Total Content Size 2.3 MB 2.3 MB 2.3 MB 2.3 MB 2.3 MB2.3 MB2.3 MB0 b0.00 %