Metrics per run

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

Tested 2026-06-23 23:37:56 using Chrome 149.0.7827.53 (runtime settings)

Side by side

Metric123MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 402 ms 405 ms 402 ms402 ms403 ms1 ms0.35 %
Largest Contentful Paint 1.144 s 1.088 s 1.168 s1.144 s1.133 s34 ms2.96 %
Total Blocking Time 1.305 s 1.358 s 1.423 s1.358 s1.362 s48 ms3.54 %
Cumulative Layout Shift 0 0 00000.00 %
Timing metrics
First Paint 1.144 s 1.088 s 1.168 s1.144 s1.133 s34 ms2.96 %
Largest Contentful Paint 1.144 s 1.088 s 1.168 s1.144 s1.133 s34 ms2.96 %
Load Event End 2.256 s 2.123 s 2.257 s2.256 s2.212 s63 ms2.85 %
Server Response Time 614 ms 615 ms 614 ms614 ms614 ms0 ms0.08 %
TTFB 402 ms 405 ms 402 ms402 ms403 ms1 ms0.35 %
Page Load Time 2.256 s 2.123 s 2.257 s2.256 s2.212 s63 ms2.85 %
First Visual Change 1.133 s 1.067 s 1.167 s1.133 s1.122 s42 ms3.70 %
Last Visual Change 9.500 s 9.433 s 17.833 s9.500 s12.255 s3.944 s32.18 %
Speed Index 2.743 s 2.684 s 3.408 s2.743 s2.945 s328 ms11.15 %
Visual Readiness 8.367 s 8.366 s 16.666 s8.367 s11.133 s3.912 s35.14 %
Visual Complete 95 9.467 s 9.400 s 17.833 s9.467 s12.233 s3.960 s32.37 %
Visual Complete 99 9.467 s 9.400 s 17.833 s9.467 s12.233 s3.960 s32.37 %
CPU metrics
Total Blocking Time 1.305 s 1.358 s 1.423 s1.358 s1.362 s48 ms3.54 %
Max Potential FID 424 ms 474 ms 455 ms455 ms451 ms21 ms4.57 %
Number of Long Tasks 12 13 13131303.72 %
Total Duration of Long Tasks 2.101 s 2.204 s 2.277 s2.204 s2.194 s72 ms3.29 %
Browser metrics
CPU benchmark score 242 ms 253 ms 257 ms253 ms251 ms6 ms2.53 %
Page metrics
Cumulative Layout Shift 0 0 00000.00 %
DOM elements 12329 12329 12329123291232900.00 %
Document height 4432 4432 44324432443200.00 %
Total Requests 35 35 35353500.00 %
HTML Requests 1 1 11100.00 %
JavaScript Requests 7 7 77700.00 %
CSS Requests 2 2 22200.00 %
Font Requests 0 0 00000.00 %
HTTP Errors 0 0 0000N/A
Total Transfer Size 720.4 KB 722.2 KB 722.2 KB722.2 KB721.6 KB879 B0.12 %
HTML Transfer Size 280.9 KB 281.0 KB 281.0 KB281.0 KB281.0 KB34 B0.01 %
JavaScript Transfer Size 256.0 KB 256.4 KB 256.4 KB256.4 KB256.2 KB172 B0.07 %
CSS Transfer Size 24.3 KB 24.5 KB 24.5 KB24.5 KB24.4 KB68 B0.27 %
Font Transfer Size 0 b 0 b 0 b0 b0 b0 b0.00 %
Favicon Transfer Size 1.8 KB 1.9 KB 1.9 KB1.9 KB1.8 KB34 B1.83 %
JSON Transfer Size 1.8 KB 1.9 KB 1.9 KB1.9 KB1.9 KB63 B3.31 %
Plain Transfer Size 881 B 953 B 955 B953 B930 B34 B3.70 %
SVG Transfer Size 25.2 KB 26.2 KB 26.2 KB26.2 KB25.9 KB447 B1.69 %
Total Content Size 3.3 MB 3.3 MB 3.3 MB3.3 MB3.3 MB0 b0.00 %
HTML Content Size 1.9 MB 1.9 MB 1.9 MB1.9 MB1.9 MB0 b0.00 %
JavaScript Content Size 1.0 MB 1.0 MB 1.0 MB1.0 MB1.0 MB0 b0.00 %
CSS Content Size 166.8 KB 166.8 KB 166.8 KB166.8 KB166.8 KB0 b0.00 %
Image Content Size 117.9 KB 117.9 KB 117.9 KB117.9 KB117.9 KB0 b0.00 %
Font Content Size 0 b 0 b 0 b0 b0 b0 b0.00 %
Favicon Content Size 2.7 KB 2.7 KB 2.7 KB2.7 KB2.7 KB0 b0.00 %
JSON Content Size 288 B 288 B 288 B288 B288 B0 b0.00 %
Plain Content Size 0 b 0 b 0 b0 b0 b0 b0.00 %
SVG Content Size 29.0 KB 29.0 KB 29.0 KB29.0 KB29.0 KB0 b0.00 %
Third Party metrics
First Party metrics
First Party Requests 35 35 35353500.00 %
First Party Total Transfer Size 720.4 KB 722.2 KB 722.2 KB722.2 KB721.6 KB879 B0.12 %
First Party Total Content Size 3.3 MB 3.3 MB 3.3 MB3.3 MB3.3 MB0 b0.00 %