Metrics per run

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

Tested 2025-12-07 11:26:24 using Chrome 142.0.7444.59 (script).(runtime settings).

Side by side

Metric123MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 121 ms 120 ms 120 ms120 ms120 ms0 ms0.39 %
First Contentful Paint 548 ms 536 ms 504 ms536 ms529 ms19 ms3.51 %
Largest Contentful Paint 868 ms 868 ms 896 ms868 ms877 ms13 ms1.50 %
Interaction to Next Paint 112 ms NaN s 112 ms112 ms112 ms0 ms0.00 %
Total Blocking Time 2.074 s 2.048 s 2.044 s2.048 s2.055 s13 ms0.65 %
Cumulative Layout Shift 0.542 0.544 0.5520.5440.5460.0040.78 %
Timing metrics
First Paint 548 ms 536 ms 504 ms536 ms529 ms19 ms3.51 %
First Contentful Paint 548 ms 536 ms 504 ms536 ms529 ms19 ms3.51 %
Largest Contentful Paint 868 ms 868 ms 896 ms868 ms877 ms13 ms1.50 %
Load Event End 1.522 s 1.579 s 1.574 s1.574 s1.558 s26 ms1.65 %
Server Response Time 325 ms 325 ms 325 ms325 ms325 ms0 ms0.00 %
TTFB 121 ms 120 ms 120 ms120 ms120 ms0 ms0.39 %
Page Load Time 1.522 s 1.579 s 1.574 s1.574 s1.558 s26 ms1.65 %
First Visual Change 567 ms 533 ms 500 ms533 ms533 ms27 ms5.13 %
Last Visual Change 14.333 s 14.000 s 14.300 s14.300 s14.211 s150 ms1.05 %
Speed Index 7.548 s 7.566 s 7.510 s7.548 s7.541 s23 ms0.31 %
Visual Readiness 13.766 s 13.467 s 13.800 s13.766 s13.678 s150 ms1.09 %
Visual Complete 95 12.600 s 12.533 s 12.567 s12.567 s12.567 s27 ms0.22 %
Visual Complete 99 14.100 s 13.800 s 14.067 s14.067 s13.989 s134 ms0.96 %
CPU metrics
Total Blocking Time 2.074 s 2.048 s 2.044 s2.048 s2.055 s13 ms0.65 %
Max Potential FID 596 ms 646 ms 613 ms613 ms618 ms21 ms3.36 %
Number of Long Tasks 18 16 16161715.66 %
Total Duration of Long Tasks 3.050 s 2.914 s 2.927 s2.927 s2.964 s61 ms2.07 %
Browser metrics
CPU benchmark score 254 ms 251 ms 251 ms251 ms252 ms1 ms0.56 %
Page metrics
Cumulative Layout Shift 0.542 0.544 0.5520.5440.5460.0040.78 %
DOM elements 14235 14235 14235142351423500.00 %
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 415.8 KB 415.7 KB 415.7 KB415.7 KB415.7 KB4 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 98.8 KB98.9 KB98.8 KB1 B0.00 %
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 MB0 b0.00 %
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 358.4 KB358.4 KB358.4 KB0 b0.00 %
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 415.8 KB 415.7 KB 415.7 KB415.7 KB415.7 KB4 B0.00 %
First Party Total Content Size 1.8 MB 1.8 MB 1.8 MB1.8 MB1.8 MB0 b0.00 %