Metrics per run

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

Tested 2026-06-23 21:03:06 using Chrome 149.0.7827.53 (runtime settings)

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 404 ms 404 ms 403 ms 421 ms 403 ms404 ms407 ms7 ms1.72 %
Largest Contentful Paint 1.288 s 1.276 s 1.264 s 1.312 s 1.304 s1.288 s1.289 s18 ms1.37 %
Total Blocking Time 104 ms 94 ms 107 ms 107 ms 108 ms107 ms104 ms5 ms4.98 %
Cumulative Layout Shift 0.031 0.031 0.032 0.032 0.0320.0320.03200.85 %
Timing metrics
First Paint 1.288 s 1.276 s 1.264 s 1.312 s 1.304 s1.288 s1.289 s18 ms1.37 %
Largest Contentful Paint 1.288 s 1.276 s 1.264 s 1.312 s 1.304 s1.288 s1.289 s18 ms1.37 %
Load Event End 1.843 s 1.843 s 1.849 s 1.855 s 1.845 s1.845 s1.847 s5 ms0.25 %
Server Response Time 550 ms 558 ms 558 ms 548 ms 558 ms558 ms554 ms4 ms0.80 %
TTFB 404 ms 404 ms 403 ms 421 ms 403 ms404 ms407 ms7 ms1.72 %
Page Load Time 1.843 s 1.843 s 1.849 s 1.855 s 1.845 s1.845 s1.847 s5 ms0.25 %
First Visual Change 1.300 s 1.266 s 1.266 s 1.300 s 1.300 s1.300 s1.286 s17 ms1.29 %
Last Visual Change 2.433 s 2.466 s 2.500 s 2.466 s 2.466 s2.466 s2.466 s21 ms0.86 %
Speed Index 1.443 s 1.415 s 1.421 s 1.445 s 1.444 s1.443 s1.434 s13 ms0.90 %
Visual Readiness 1.133 s 1.200 s 1.234 s 1.166 s 1.166 s1.166 s1.180 s34 ms2.92 %
Visual Complete 95 2.433 s 2.466 s 2.500 s 2.466 s 2.466 s2.466 s2.466 s21 ms0.86 %
Visual Complete 99 2.433 s 2.466 s 2.500 s 2.466 s 2.466 s2.466 s2.466 s21 ms0.86 %
CPU metrics
Total Blocking Time 104 ms 94 ms 107 ms 107 ms 108 ms107 ms104 ms5 ms4.98 %
Max Potential FID 99 ms 84 ms 80 ms 87 ms 88 ms87 ms88 ms6 ms7.24 %
Number of Long Tasks 5 6 5 6 66608.75 %
Total Duration of Long Tasks 607 ms 617 ms 586 ms 654 ms 670 ms617 ms627 ms31 ms4.92 %
Browser metrics
CPU benchmark score 41 ms 34 ms 45 ms 34 ms 33 ms34 ms37 ms5 ms12.72 %
Page metrics
Cumulative Layout Shift 0.031 0.031 0.032 0.032 0.0320.0320.03200.85 %
DOM elements 13723 13722 13722 13722 13722137221372200.00 %
Document height 46964 46964 46964 46964 46964469644696400.00 %
Total Requests 67 67 69 67 67676711.19 %
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 994.1 KB 992.0 KB 995.9 KB 992.0 KB 992.0 KB992.0 KB993.2 KB1.6 KB0.16 %
HTML Transfer Size 203.5 KB 203.4 KB 203.5 KB 203.4 KB 203.4 KB203.4 KB203.4 KB36 B0.02 %
JavaScript Transfer Size 309.3 KB 308.9 KB 309.3 KB 308.9 KB 308.9 KB308.9 KB309.0 KB218 B0.07 %
CSS Transfer Size 28.5 KB 28.3 KB 28.5 KB 28.3 KB 28.3 KB28.3 KB28.4 KB75 B0.26 %
Font Transfer Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Favicon Transfer Size 1.9 KB 1.8 KB 1.9 KB 1.8 KB 1.8 KB1.8 KB1.8 KB36 B1.96 %
Plain Transfer Size 955 B 881 B 2.7 KB 881 B 881 B881 B1.2 KB728 B57.63 %
SVG Transfer Size 85.9 KB 84.6 KB 85.9 KB 84.6 KB 84.6 KB84.6 KB85.1 KB660 B0.76 %
Total Content Size 3.0 MB 3.0 MB 3.0 MB 3.0 MB 3.0 MB3.0 MB3.0 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 206.7 KB 206.7 KB 206.7 KB 206.7 KB 206.7 KB206.7 KB206.7 KB0 b0.00 %
Image Content Size 308.6 KB 308.6 KB 308.6 KB 308.6 KB 308.6 KB308.6 KB308.6 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 %
Plain Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
SVG Content Size 160.6 KB 160.6 KB 160.6 KB 160.6 KB 160.6 KB160.6 KB160.6 KB0 b0.00 %
Third Party metrics
First Party metrics
First Party Requests 67 67 69 67 67676711.19 %
First Party Total Transfer Size 994.1 KB 992.0 KB 995.9 KB 992.0 KB 992.0 KB992.0 KB993.2 KB1.6 KB0.16 %
First Party Total Content Size 3.0 MB 3.0 MB 3.0 MB 3.0 MB 3.0 MB3.0 MB3.0 MB0 b0.00 %