Metrics per run

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

Tested 2025-06-18 14:42:51 using Chrome 137.0.7151.55 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 419 ms 420 ms 418 ms 542 ms 436 ms420 ms447 ms48 ms10.73 %
First Contentful Paint 1.404 s 1.420 s 1.412 s 1.524 s 1.416 s1.416 s1.435 s45 ms3.12 %
Largest Contentful Paint 1.404 s 1.420 s 1.412 s 1.524 s 1.416 s1.416 s1.435 s45 ms3.12 %
Total Blocking Time 251 ms 256 ms 237 ms 250 ms 284 ms251 ms256 ms16 ms6.07 %
Cumulative Layout Shift 0.031 0.031 0.031 0.031 0.0320.0310.03100.70 %
Timing metrics
First Paint 1.404 s 1.420 s 1.412 s 1.524 s 1.416 s1.416 s1.435 s45 ms3.12 %
First Contentful Paint 1.404 s 1.420 s 1.412 s 1.524 s 1.416 s1.416 s1.435 s45 ms3.12 %
Largest Contentful Paint 1.404 s 1.420 s 1.412 s 1.524 s 1.416 s1.416 s1.435 s45 ms3.12 %
Load Event End 2.150 s 2.237 s 2.160 s 2.280 s 2.176 s2.176 s2.201 s50 ms2.27 %
Server Response Time 596 ms 593 ms 592 ms 593 ms 591 ms593 ms593 ms2 ms0.28 %
TTFB 419 ms 420 ms 418 ms 542 ms 436 ms420 ms447 ms48 ms10.73 %
Page Load Time 2.150 s 2.237 s 2.160 s 2.280 s 2.176 s2.176 s2.201 s50 ms2.27 %
First Visual Change 1.400 s 1.433 s 1.400 s 1.533 s 1.433 s1.433 s1.440 s49 ms3.39 %
Last Visual Change 2.866 s 2.966 s 2.866 s 3.000 s 3.000 s2.966 s2.940 s61 ms2.09 %
Speed Index 1.592 s 1.632 s 1.594 s 1.722 s 1.632 s1.632 s1.634 s47 ms2.88 %
Visual Readiness 1.466 s 1.533 s 1.466 s 1.467 s 1.567 s1.467 s1.500 s42 ms2.83 %
Visual Complete 95 2.866 s 2.966 s 2.866 s 3.000 s 3.000 s2.966 s2.940 s61 ms2.09 %
Visual Complete 99 2.866 s 2.966 s 2.866 s 3.000 s 3.000 s2.966 s2.940 s61 ms2.09 %
CPU metrics
Total Blocking Time 251 ms 256 ms 237 ms 250 ms 284 ms251 ms256 ms16 ms6.07 %
Max Potential FID 167 ms 164 ms 158 ms 158 ms 128 ms158 ms155 ms14 ms9.00 %
Number of Long Tasks 5 5 5 5 755114.81 %
Total Duration of Long Tasks 866 ms 887 ms 861 ms 869 ms 1.001 s869 ms897 ms53 ms5.89 %
Browser metrics
CPU benchmark score 40 ms 40 ms 39 ms 41 ms 40 ms40 ms40 ms1 ms1.58 %
Page metrics
Cumulative Layout Shift 0.031 0.031 0.031 0.031 0.0320.0310.03100.70 %
DOM elements 21525 21525 21525 21525 21524215252152500.00 %
Document height 57442 57442 57442 57442 57442574425744200.00 %
Total Requests 99 99 99 99 99999900.00 %
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 1.3 MB 1.3 MB 1.3 MB 1.3 MB 1.3 MB1.3 MB1.3 MB1.0 KB0.07 %
HTML Transfer Size 295.6 KB 295.6 KB 295.6 KB 295.6 KB 295.6 KB295.6 KB295.6 KB0 b0.00 %
JavaScript Transfer Size 284.6 KB 284.6 KB 284.6 KB 284.6 KB 284.6 KB284.6 KB284.6 KB14 B0.00 %
CSS Transfer Size 26.9 KB 26.9 KB 26.9 KB 26.9 KB 26.9 KB26.9 KB26.9 KB0 b0.00 %
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 35.9 KB 35.9 KB 35.9 KB 35.9 KB 35.9 KB35.9 KB35.9 KB0 b0.00 %
Total Content Size 3.6 MB 3.6 MB 3.6 MB 3.6 MB 3.6 MB3.6 MB3.6 MB1.0 KB0.03 %
HTML Content Size 1.7 MB 1.7 MB 1.7 MB 1.7 MB 1.7 MB1.7 MB1.7 MB0 b0.00 %
JavaScript Content Size 1.1 MB 1.1 MB 1.1 MB 1.1 MB 1.1 MB1.1 MB1.1 MB0 b0.00 %
CSS Content Size 191.2 KB 191.2 KB 191.2 KB 191.2 KB 191.2 KB191.2 KB191.2 KB0 b0.00 %
Image Content Size 661.8 KB 661.8 KB 661.8 KB 659.7 KB 659.7 KB661.8 KB661.0 KB1.0 KB0.15 %
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 38.8 KB 38.8 KB 38.8 KB 38.8 KB 38.8 KB38.8 KB38.8 KB0 b0.00 %
Third Party metrics
First Party metrics
First Party Requests 99 99 99 99 99999900.00 %
First Party Total Transfer Size 1.3 MB 1.3 MB 1.3 MB 1.3 MB 1.3 MB1.3 MB1.3 MB1.0 KB0.07 %
First Party Total Content Size 3.6 MB 3.6 MB 3.6 MB 3.6 MB 3.6 MB3.6 MB3.6 MB1.0 KB0.03 %