Metrics per run

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

Tested 2025-09-17 17:55:43 using Chrome 140.0.7339.80 (script).(runtime settings).

Side by side

Metric123MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 121 ms 122 ms 121 ms121 ms121 ms0 ms0.39 %
First Contentful Paint 568 ms 516 ms 532 ms532 ms539 ms22 ms4.04 %
Largest Contentful Paint 568 ms 516 ms 532 ms532 ms539 ms22 ms4.04 %
Total Blocking Time 1.322 s 1.367 s 1.305 s1.322 s1.331 s26 ms1.96 %
Cumulative Layout Shift 0 0 00000.00 %
Timing metrics
First Paint 568 ms 516 ms 532 ms532 ms539 ms22 ms4.04 %
First Contentful Paint 568 ms 516 ms 532 ms532 ms539 ms22 ms4.04 %
Largest Contentful Paint 568 ms 516 ms 532 ms532 ms539 ms22 ms4.04 %
Load Event End 1.714 s 1.686 s 1.710 s1.710 s1.703 s12 ms0.73 %
Server Response Time 325 ms 323 ms 323 ms323 ms324 ms1 ms0.29 %
TTFB 121 ms 122 ms 121 ms121 ms121 ms0 ms0.39 %
Page Load Time 1.714 s 1.686 s 1.710 s1.710 s1.703 s12 ms0.73 %
First Visual Change 567 ms 500 ms 533 ms533 ms533 ms27 ms5.13 %
Last Visual Change 11.733 s 11.767 s 11.733 s11.733 s11.744 s16 ms0.14 %
Speed Index 2.273 s 2.261 s 2.269 s2.269 s2.268 s5 ms0.22 %
Visual Readiness 11.166 s 11.267 s 11.200 s11.200 s11.211 s42 ms0.37 %
Visual Complete 95 3.400 s 3.433 s 3.400 s3.400 s3.411 s16 ms0.46 %
Visual Complete 99 11.700 s 11.733 s 11.700 s11.700 s11.711 s16 ms0.13 %
CPU metrics
Total Blocking Time 1.322 s 1.367 s 1.305 s1.322 s1.331 s26 ms1.96 %
Max Potential FID 401 ms 463 ms 402 ms402 ms422 ms29 ms6.87 %
Number of Long Tasks 16 16 16161600.00 %
Total Duration of Long Tasks 2.195 s 2.236 s 2.176 s2.195 s2.202 s25 ms1.14 %
Browser metrics
CPU benchmark score 239 ms 253 ms 251 ms251 ms248 ms6 ms2.50 %
Page metrics
Cumulative Layout Shift 0 0 00000.00 %
DOM elements 13820 13820 13820138201382000.00 %
Document height 6840 6840 68406840684000.00 %
Total Requests 12 11 11111104.16 %
HTML Requests 1 1 11100.00 %
JavaScript Requests 3 2 222020.20 %
CSS Requests 1 1 11100.00 %
Font Requests 0 0 00000.00 %
HTTP Errors 0 0 0000N/A
Total Transfer Size 368.0 KB 367.1 KB 367.1 KB367.1 KB367.4 KB410 B0.11 %
HTML Transfer Size 233.8 KB 233.8 KB 233.9 KB233.8 KB233.8 KB4 B0.00 %
JavaScript Transfer Size 52.6 KB 51.7 KB 51.7 KB51.7 KB52.0 KB412 B0.77 %
CSS Transfer Size 21.0 KB 21.0 KB 21.0 KB21.0 KB21.0 KB0 b0.00 %
Font Transfer Size 0 b 0 b 0 b0 b0 b0 b0.00 %
SVG Transfer Size 4.5 KB 4.5 KB 4.5 KB4.5 KB4.5 KB0 b0.00 %
Total Content Size 1.7 MB 1.7 MB 1.7 MB1.7 MB1.7 MB29.5 KB1.71 %
HTML Content Size 1.3 MB 1.3 MB 1.3 MB1.3 MB1.3 MB0 b0.00 %
JavaScript Content Size 239.0 KB 176.4 KB 176.4 KB176.4 KB197.3 KB29.5 KB14.95 %
CSS Content Size 154.3 KB 154.3 KB 154.3 KB154.3 KB154.3 KB0 b0.00 %
Image Content Size 54.4 KB 54.4 KB 54.4 KB54.4 KB54.4 KB0 b0.00 %
Font 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 12 11 11111104.16 %
First Party Total Transfer Size 368.0 KB 367.1 KB 367.1 KB367.1 KB367.4 KB410 B0.11 %
First Party Total Content Size 1.7 MB 1.7 MB 1.7 MB1.7 MB1.7 MB29.5 KB1.71 %