Metrics per run

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

Tested 2025-12-07 16:01:45 using Chrome 142.0.7444.59 (script).(runtime settings).

Side by side

Metric123MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 124 ms 120 ms 125 ms124 ms123 ms2 ms1.76 %
First Contentful Paint 780 ms 780 ms 556 ms780 ms705 ms106 ms14.97 %
Largest Contentful Paint 780 ms 780 ms 888 ms780 ms816 ms51 ms6.24 %
Total Blocking Time 2.011 s 2.185 s 1.997 s2.011 s2.064 s86 ms4.14 %
Cumulative Layout Shift 0.546 0.55 0.5470.5470.5470.0020.30 %
Timing metrics
First Paint 780 ms 780 ms 556 ms780 ms705 ms106 ms14.97 %
First Contentful Paint 780 ms 780 ms 556 ms780 ms705 ms106 ms14.97 %
Largest Contentful Paint 780 ms 780 ms 888 ms780 ms816 ms51 ms6.24 %
Load Event End 1.686 s 1.661 s 1.543 s1.661 s1.630 s62 ms3.83 %
Server Response Time 327 ms 324 ms 328 ms327 ms326 ms2 ms0.52 %
TTFB 124 ms 120 ms 125 ms124 ms123 ms2 ms1.76 %
Page Load Time 1.686 s 1.661 s 1.543 s1.661 s1.630 s62 ms3.83 %
First Visual Change 767 ms 800 ms 567 ms767 ms711 ms103 ms14.47 %
Last Visual Change 14.200 s 14.500 s 14.267 s14.267 s14.322 s129 ms0.90 %
Speed Index 7.696 s 7.808 s 7.595 s7.696 s7.700 s87 ms1.13 %
Visual Readiness 13.433 s 13.700 s 13.700 s13.700 s13.611 s126 ms0.92 %
Visual Complete 95 12.667 s 12.834 s 12.533 s12.667 s12.678 s123 ms0.97 %
Visual Complete 99 14.000 s 14.267 s 14.033 s14.033 s14.100 s119 ms0.84 %
CPU metrics
Total Blocking Time 2.011 s 2.185 s 1.997 s2.011 s2.064 s86 ms4.14 %
Max Potential FID 604 ms 657 ms 592 ms604 ms618 ms28 ms4.57 %
Number of Long Tasks 19 17 18181814.54 %
Total Duration of Long Tasks 3.033 s 3.099 s 2.970 s3.033 s3.034 s53 ms1.74 %
Browser metrics
CPU benchmark score 252 ms 253 ms 242 ms252 ms249 ms5 ms1.99 %
Page metrics
Cumulative Layout Shift 0.546 0.55 0.5470.5470.5470.0020.30 %
DOM elements 14235 14235 14233142351423410.01 %
Document height 6945 6945 69456945694500.00 %
Total Requests 11 11 11111100.00 %
HTML Requests 1 1 11100.00 %
JavaScript Requests 2 2 22200.00 %
CSS Requests 1 1 11100.00 %
Font Requests 0 0 00000.00 %
HTTP Errors 0 0 0000N/A
Total Transfer Size 415.7 KB 415.7 KB 415.8 KB415.7 KB415.7 KB5 B0.00 %
HTML Transfer Size 235.1 KB 235.1 KB 235.1 KB235.1 KB235.1 KB4 B0.00 %
JavaScript Transfer Size 98.9 KB 98.9 KB 99.2 KB98.9 KB99.0 KB178 B0.18 %
CSS Transfer Size 21.1 KB 21.1 KB 21.1 KB21.1 KB21.1 KB0 b0.00 %
Font Transfer Size 0 b 0 b 0 b0 b0 b0 b0.00 %
Plain Transfer Size 611 B 611 B 611 B611 B611 B0 b0.00 %
SVG Transfer Size 4.7 KB 4.7 KB 4.7 KB4.7 KB4.7 KB0 b0.00 %
Total Content Size 1.8 MB 1.8 MB 1.8 MB1.8 MB1.8 MB321 B0.02 %
HTML Content Size 1.3 MB 1.3 MB 1.3 MB1.3 MB1.3 MB0 b0.00 %
JavaScript Content Size 358.4 KB 358.4 KB 359.1 KB358.4 KB358.7 KB321 B0.09 %
CSS Content Size 154.4 KB 154.4 KB 154.4 KB154.4 KB154.4 KB0 b0.00 %
Image Content Size 53.2 KB 53.2 KB 53.2 KB53.2 KB53.2 KB0 b0.00 %
Font Content Size 0 b 0 b 0 b0 b0 b0 b0.00 %
Plain Content Size 0 b 0 b 0 b0 b0 b0 b0.00 %
SVG Content Size 1.7 KB 1.7 KB 1.7 KB1.7 KB1.7 KB0 b0.00 %
Third Party metrics
First Party metrics
First Party Requests 11 11 11111100.00 %
First Party Total Transfer Size 415.7 KB 415.7 KB 415.8 KB415.7 KB415.7 KB5 B0.00 %
First Party Total Content Size 1.8 MB 1.8 MB 1.8 MB1.8 MB1.8 MB321 B0.02 %