Metrics per run

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

Tested 2025-12-07 16:52:52 using Chrome 142.0.7444.59 (runtime settings).

Side by side

Metric1234567MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 579 ms 505 ms 490 ms 490 ms 486 ms 506 ms 488 ms490 ms506 ms31 ms6.05 %
First Contentful Paint 1.272 s 1.188 s 1.184 s 1.172 s 1.184 s 1.200 s 1.180 s1.184 s1.197 s32 ms2.64 %
Largest Contentful Paint 1.272 s 1.188 s 1.184 s 1.172 s 1.184 s 1.200 s 1.180 s1.184 s1.197 s32 ms2.64 %
Interaction to Next Paint 680 ms 664 ms 680 ms 664 ms 680 ms 680 ms 672 ms680 ms674 ms7 ms1.04 %
Total Blocking Time 547 ms 517 ms 510 ms 554 ms 532 ms 526 ms 584 ms532 ms539 ms23 ms4.36 %
Cumulative Layout Shift 0.155 0.153 0.153 0.153 0.154 0.155 0.1530.1530.1540.0010.59 %
Timing metrics
First Paint 1.272 s 1.188 s 1.184 s 1.172 s 1.184 s 1.200 s 1.180 s1.184 s1.197 s32 ms2.64 %
First Contentful Paint 1.272 s 1.188 s 1.184 s 1.172 s 1.184 s 1.200 s 1.180 s1.184 s1.197 s32 ms2.64 %
Largest Contentful Paint 1.272 s 1.188 s 1.184 s 1.172 s 1.184 s 1.200 s 1.180 s1.184 s1.197 s32 ms2.64 %
Load Event End 2.274 s 2.300 s 2.510 s 2.298 s 2.288 s 2.308 s 2.279 s2.298 s2.322 s77 ms3.33 %
Server Response Time 473 ms 473 ms 473 ms 476 ms 474 ms 474 ms 471 ms473 ms473 ms1 ms0.30 %
TTFB 579 ms 505 ms 490 ms 490 ms 486 ms 506 ms 488 ms490 ms506 ms31 ms6.05 %
Page Load Time 2.274 s 2.300 s 2.509 s 2.298 s 2.288 s 2.308 s 2.279 s2.298 s2.322 s77 ms3.32 %
First Visual Change 1.266 s 1.166 s 1.200 s 1.166 s 1.166 s 1.166 s 1.166 s1.166 s1.185 s35 ms2.96 %
Last Visual Change 14.166 s 18.400 s 14.066 s 14.200 s 14.200 s 14.233 s 15.366 s14.200 s14.947 s1.469 s9.83 %
Speed Index 3.386 s 3.852 s 3.297 s 3.277 s 3.276 s 3.283 s 3.308 s3.297 s3.383 s195 ms5.76 %
Visual Readiness 12.900 s 17.234 s 12.866 s 13.034 s 13.034 s 13.067 s 14.200 s13.034 s13.762 s1.480 s10.76 %
Visual Complete 95 12.266 s 17.833 s 12.166 s 12.133 s 12.100 s 12.166 s 12.266 s12.166 s12.990 s1.978 s15.23 %
Visual Complete 99 14.100 s 17.833 s 13.066 s 13.200 s 13.133 s 13.300 s 14.133 s13.300 s14.109 s1.576 s11.17 %
CPU metrics
Total Blocking Time 547 ms 517 ms 510 ms 554 ms 532 ms 526 ms 584 ms532 ms539 ms23 ms4.36 %
Max Potential FID 348 ms 309 ms 307 ms 335 ms 328 ms 320 ms 352 ms328 ms328 ms16 ms5.00 %
Number of Long Tasks 6 6 5 5 6 6 56608.88 %
Total Duration of Long Tasks 1.108 s 1.069 s 1.027 s 1.067 s 1.089 s 1.084 s 1.099 s1.084 s1.078 s25 ms2.30 %
Browser metrics
CPU benchmark score 33 ms 34 ms 34 ms 35 ms 34 ms 33 ms 33 ms34 ms34 ms1 ms2.08 %
Page metrics
Cumulative Layout Shift 0.155 0.153 0.153 0.153 0.154 0.155 0.1530.1530.1540.0010.59 %
DOM elements 13868 13868 13867 13868 13868 13868 13868138681386800.00 %
Document height 46674 46674 46674 46674 46674 46674 46674466744667400.00 %
Total Requests 67 67 67 67 67 67 67676700.00 %
HTML Requests 1 1 1 1 1 1 11100.00 %
JavaScript Requests 9 9 9 9 9 9 99900.00 %
CSS Requests 2 2 2 2 2 2 22200.00 %
Font Requests 0 0 0 0 0 0 00000.00 %
HTTP Errors 0 0 0 0 0 0 0000N/A
Total Transfer Size 986.1 KB 986.1 KB 986.1 KB 985.8 KB 985.8 KB 985.8 KB 985.8 KB985.8 KB985.9 KB127 B0.01 %
HTML Transfer Size 196.1 KB 196.1 KB 196.1 KB 196.1 KB 196.1 KB 196.1 KB 196.1 KB196.1 KB196.1 KB0 b0.00 %
JavaScript Transfer Size 398.7 KB 398.7 KB 398.7 KB 398.7 KB 398.7 KB 398.7 KB 398.7 KB398.7 KB398.7 KB15 B0.00 %
CSS Transfer Size 26.7 KB 26.7 KB 26.7 KB 26.7 KB 26.7 KB 26.7 KB 26.7 KB26.7 KB26.7 KB1 B0.00 %
Font Transfer Size 0 b 0 b 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 KB 1.8 KB 1.8 KB1.8 KB1.8 KB0 b0.00 %
JSON Transfer Size 2.2 KB 2.2 KB 2.2 KB 2.2 KB 2.2 KB 2.2 KB 2.2 KB2.2 KB2.2 KB7 B0.30 %
Plain Transfer Size 611 B 611 B 611 B 611 B 611 B 611 B 611 B611 B611 B0 b0.00 %
SVG Transfer Size 29.0 KB 29.0 KB 29.0 KB 29.0 KB 29.0 KB 29.0 KB 29.0 KB29.0 KB29.0 KB2 B0.01 %
Total Content Size 3.0 MB 3.0 MB 3.0 MB 3.0 MB 3.0 MB 3.0 MB 3.0 MB3.0 MB3.0 MB172 B0.01 %
HTML Content Size 1.1 MB 1.1 MB 1.1 MB 1.1 MB 1.1 MB 1.1 MB 1.1 MB1.1 MB1.1 MB0 b0.00 %
JavaScript Content Size 1.5 MB 1.5 MB 1.5 MB 1.5 MB 1.5 MB 1.5 MB 1.5 MB1.5 MB1.5 MB1 B0.00 %
CSS Content Size 189.8 KB 189.8 KB 189.8 KB 189.8 KB 189.8 KB 189.8 KB 189.8 KB189.8 KB189.8 KB0 b0.00 %
Image Content Size 296.9 KB 296.9 KB 296.9 KB 296.6 KB 296.6 KB 296.6 KB 296.6 KB296.6 KB296.7 KB121 B0.04 %
Font Content Size 0 b 0 b 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 KB 2.7 KB 2.7 KB2.7 KB2.7 KB0 b0.00 %
JSON Content Size 2.2 KB 2.2 KB 2.2 KB 1.9 KB 2.2 KB 2.2 KB 2.2 KB2.2 KB2.2 KB87 B3.95 %
Plain Content Size 0 b 0 b 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
SVG Content Size 23.4 KB 23.4 KB 23.4 KB 23.4 KB 23.4 KB 23.4 KB 23.4 KB23.4 KB23.4 KB0 b0.00 %
Third Party metrics
First Party metrics
First Party Requests 67 67 67 67 67 67 67676700.00 %
First Party Total Transfer Size 986.1 KB 986.1 KB 986.1 KB 985.8 KB 985.8 KB 985.8 KB 985.8 KB985.8 KB985.9 KB127 B0.01 %
First Party Total Content Size 3.0 MB 3.0 MB 3.0 MB 3.0 MB 3.0 MB 3.0 MB 3.0 MB3.0 MB3.0 MB172 B0.01 %