Metrics per run

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

Tested 2026-04-29 18:48:56 using Chrome 146.0.7680.80 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 415 ms 415 ms 518 ms 399 ms 414 ms415 ms432 ms43 ms10.03 %
First Contentful Paint 1.292 s 1.272 s 1.356 s 1.300 s 1.268 s1.292 s1.298 s32 ms2.43 %
Largest Contentful Paint 1.292 s 1.272 s 1.356 s 1.300 s 1.268 s1.292 s1.298 s32 ms2.43 %
Interaction to Next Paint 864 ms 840 ms 824 ms 888 ms 840 ms840 ms851 ms22 ms2.63 %
Total Blocking Time 101 ms 91 ms 94 ms 80 ms 93 ms93 ms92 ms7 ms7.40 %
Cumulative Layout Shift 0.001 0.001 0.001 0.001 0.0010.0010.00100.00 %
Timing metrics
First Paint 1.292 s 1.272 s 1.356 s 1.300 s 1.268 s1.292 s1.298 s32 ms2.43 %
First Contentful Paint 1.292 s 1.272 s 1.356 s 1.300 s 1.268 s1.292 s1.298 s32 ms2.43 %
Largest Contentful Paint 1.292 s 1.272 s 1.356 s 1.300 s 1.268 s1.292 s1.298 s32 ms2.43 %
Load Event End 1.829 s 1.660 s 1.762 s 1.988 s 1.759 s1.762 s1.800 s109 ms6.03 %
Server Response Time 490 ms 490 ms 491 ms 491 ms 495 ms491 ms491 ms2 ms0.38 %
TTFB 415 ms 415 ms 518 ms 399 ms 414 ms415 ms432 ms43 ms10.03 %
Page Load Time 1.828 s 1.660 s 1.762 s 1.987 s 1.759 s1.762 s1.799 s108 ms6.01 %
First Visual Change 1.266 s 1.266 s 1.333 s 1.266 s 1.233 s1.266 s1.273 s33 ms2.57 %
Last Visual Change 1.766 s 2.166 s 2.266 s 1.833 s 2.200 s2.166 s2.046 s205 ms10.02 %
Speed Index 1.275 s 1.283 s 1.351 s 1.276 s 1.252 s1.276 s1.287 s33 ms2.60 %
Visual Readiness 500 ms 900 ms 933 ms 567 ms 967 ms900 ms773 ms198 ms25.62 %
Visual Complete 95 1.266 s 1.266 s 1.333 s 1.266 s 1.233 s1.266 s1.273 s33 ms2.57 %
Visual Complete 99 1.700 s 2.066 s 2.166 s 1.700 s 2.166 s2.066 s1.960 s215 ms10.98 %
CPU metrics
Total Blocking Time 101 ms 91 ms 94 ms 80 ms 93 ms93 ms92 ms7 ms7.40 %
Max Potential FID 117 ms 105 ms 113 ms 116 ms 117 ms116 ms114 ms5 ms4.00 %
Number of Long Tasks 4 4 4 3 344013.61 %
Total Duration of Long Tasks 564 ms 552 ms 545 ms 503 ms 497 ms545 ms532 ms27 ms5.08 %
Browser metrics
CPU benchmark score 42 ms 33 ms 33 ms 36 ms 33 ms33 ms35 ms3 ms9.88 %
Page metrics
Cumulative Layout Shift 0.001 0.001 0.001 0.001 0.0010.0010.00100.00 %
DOM elements 13650 13651 13651 13651 13650136511365100.00 %
Document height 46732 46732 46732 46732 46732467324673200.00 %
Total Requests 63 63 63 63 63636300.00 %
HTML Requests 1 1 1 1 11100.00 %
JavaScript Requests 7 7 7 7 77700.00 %
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 914.9 KB 914.8 KB 914.8 KB 914.9 KB 914.8 KB914.8 KB914.8 KB24 B0.00 %
HTML Transfer Size 200.6 KB 200.6 KB 200.6 KB 200.6 KB 200.6 KB200.6 KB200.6 KB0 b0.00 %
JavaScript Transfer Size 301.3 KB 301.3 KB 301.3 KB 301.4 KB 301.3 KB301.3 KB301.3 KB18 B0.01 %
CSS Transfer Size 27.1 KB 27.1 KB 27.1 KB 27.1 KB 27.1 KB27.1 KB27.1 KB4 B0.02 %
Font Transfer Size 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 KB1.8 KB1.8 KB0 b0.00 %
SVG Transfer Size 77.0 KB 77.1 KB 77.1 KB 77.1 KB 77.1 KB77.1 KB77.1 KB7 B0.01 %
Total Content Size 2.9 MB 2.9 MB 2.9 MB 2.9 MB 2.9 MB2.9 MB2.9 MB0 b0.00 %
HTML Content Size 1.1 MB 1.1 MB 1.1 MB 1.1 MB 1.1 MB1.1 MB1.1 MB0 b0.00 %
JavaScript Content Size 1.2 MB 1.2 MB 1.2 MB 1.2 MB 1.2 MB1.2 MB1.2 MB0 b0.00 %
CSS Content Size 192.9 KB 192.9 KB 192.9 KB 192.9 KB 192.9 KB192.9 KB192.9 KB0 b0.00 %
Image Content Size 274.7 KB 274.7 KB 274.7 KB 274.7 KB 274.7 KB274.7 KB274.7 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 146.1 KB 146.1 KB 146.1 KB 146.1 KB 146.1 KB146.1 KB146.1 KB0 b0.00 %
Third Party metrics
First Party metrics
First Party Requests 63 63 63 63 63636300.00 %
First Party Total Transfer Size 914.9 KB 914.8 KB 914.8 KB 914.9 KB 914.8 KB914.8 KB914.8 KB24 B0.00 %
First Party Total Content Size 2.9 MB 2.9 MB 2.9 MB 2.9 MB 2.9 MB2.9 MB2.9 MB0 b0.00 %