Metrics per run

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

Tested 2025-12-07 15:31:43 using Chrome 142.0.7444.59 (runtime settings).

Side by side

Metric123MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 430 ms 415 ms 413 ms415 ms419 ms8 ms1.81 %
First Contentful Paint 1.132 s 1.096 s 1.100 s1.100 s1.109 s16 ms1.45 %
Largest Contentful Paint 1.532 s 1.448 s 1.484 s1.484 s1.488 s34 ms2.31 %
Total Blocking Time 2.914 s 2.900 s 2.776 s2.900 s2.863 s62 ms2.17 %
Cumulative Layout Shift 0.546 0.541 0.5450.5450.5440.0020.40 %
Timing metrics
First Paint 1.132 s 1.096 s 1.100 s1.100 s1.109 s16 ms1.45 %
First Contentful Paint 1.132 s 1.096 s 1.100 s1.100 s1.109 s16 ms1.45 %
Largest Contentful Paint 1.532 s 1.448 s 1.484 s1.484 s1.488 s34 ms2.31 %
Load Event End 4.529 s 4.474 s 4.471 s4.474 s4.491 s27 ms0.59 %
Server Response Time 512 ms 516 ms 515 ms515 ms514 ms2 ms0.33 %
TTFB 430 ms 415 ms 413 ms415 ms419 ms8 ms1.81 %
Page Load Time 4.527 s 4.472 s 4.469 s4.472 s4.489 s27 ms0.59 %
First Visual Change 1.167 s 1.100 s 1.100 s1.100 s1.122 s32 ms2.81 %
Last Visual Change 16.267 s 16.100 s 16.100 s16.100 s16.156 s79 ms0.49 %
Speed Index 8.889 s 8.805 s 8.649 s8.805 s8.781 s99 ms1.13 %
Visual Readiness 15.100 s 15.000 s 15.000 s15.000 s15.033 s47 ms0.31 %
Visual Complete 95 15.400 s 15.400 s 14.034 s15.400 s14.945 s644 ms4.31 %
Visual Complete 99 15.867 s 15.767 s 15.734 s15.767 s15.789 s57 ms0.36 %
CPU metrics
Total Blocking Time 2.914 s 2.900 s 2.776 s2.900 s2.863 s62 ms2.17 %
Max Potential FID 1.030 s 1.027 s 947 ms1.027 s1.001 s38 ms3.84 %
Number of Long Tasks 17 17 18171702.72 %
Total Duration of Long Tasks 3.854 s 3.814 s 3.754 s3.814 s3.807 s41 ms1.08 %
Browser metrics
CPU benchmark score 240 ms 250 ms 251 ms250 ms247 ms5 ms2.01 %
Page metrics
Cumulative Layout Shift 0.546 0.541 0.5450.5450.5440.0020.40 %
DOM elements 14233 14235 14235142351423410.01 %
Document height 6945 6945 69456945694500.00 %
Total Requests 31 30 30303001.55 %
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 720.5 KB 675.6 KB 675.6 KB675.6 KB690.6 KB21.1 KB3.06 %
HTML Transfer Size 235.6 KB 235.6 KB 235.6 KB235.6 KB235.6 KB4 B0.00 %
JavaScript Transfer Size 338.8 KB 338.5 KB 338.5 KB338.5 KB338.6 KB178 B0.05 %
CSS Transfer Size 22.9 KB 22.9 KB 22.9 KB22.9 KB22.9 KB0 b0.00 %
Font Transfer Size 0 b 0 b 0 b0 b0 b0 b0.00 %
Favicon Transfer Size 1.8 KB 1.8 KB 1.8 KB1.8 KB1.8 KB0 b0.00 %
JSON Transfer Size 1.8 KB 1.8 KB 1.8 KB1.8 KB1.8 KB0 b0.00 %
Plain Transfer Size 611 B 611 B 611 B611 B611 B0 b0.00 %
SVG Transfer Size 17.1 KB 17.1 KB 17.1 KB17.1 KB17.1 KB0 b0.00 %
Total Content Size 2.8 MB 2.7 MB 2.7 MB2.7 MB2.7 MB20.8 KB0.74 %
HTML Content Size 1.3 MB 1.3 MB 1.3 MB1.3 MB1.3 MB0 b0.00 %
JavaScript Content Size 1.2 MB 1.2 MB 1.2 MB1.2 MB1.2 MB321 B0.03 %
CSS Content Size 156.4 KB 156.4 KB 156.4 KB156.4 KB156.4 KB0 b0.00 %
Image Content Size 97.8 KB 54.5 KB 54.5 KB54.5 KB68.9 KB20.4 KB29.65 %
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 263 B 263 B 263 B263 B263 B0 b0.00 %
Plain Content Size 0 b 0 b 0 b0 b0 b0 b0.00 %
SVG Content Size 10.4 KB 10.4 KB 10.4 KB10.4 KB10.4 KB0 b0.00 %
Third Party metrics
First Party metrics
First Party Requests 31 30 30303001.55 %
First Party Total Transfer Size 720.5 KB 675.6 KB 675.6 KB675.6 KB690.6 KB21.1 KB3.06 %
First Party Total Content Size 2.8 MB 2.7 MB 2.7 MB2.7 MB2.7 MB20.8 KB0.74 %