Metrics per run

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

Tested 2026-06-23 21:22:40 using Firefox 151.0.3 (runtime settings)

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 416 ms 419 ms 418 ms 418 ms 417 ms418 ms418 ms1 ms0.24 %
Largest Contentful Paint 2.373 s 2.458 s 2.306 s 2.305 s 2.537 s2.373 s2.396 s90 ms3.76 %
Timing metrics
First Paint 1.396 s 1.374 s 1.363 s 1.350 s 1.387 s1.374 s1.374 s16 ms1.20 %
Largest Contentful Paint 2.373 s 2.458 s 2.306 s 2.305 s 2.537 s2.373 s2.396 s90 ms3.76 %
Load Event End 2.587 s 2.690 s 2.483 s 2.503 s 2.547 s2.547 s2.562 s73 ms2.87 %
Server Response Time 112 ms 112 ms 112 ms 112 ms 112 ms112 ms112 ms0 ms0.00 %
TTFB 416 ms 419 ms 418 ms 418 ms 417 ms418 ms418 ms1 ms0.24 %
Page Load Time 2.587 s 2.690 s 2.482 s 2.503 s 2.546 s2.546 s2.562 s74 ms2.88 %
First Visual Change 1.434 s 1.433 s 1.400 s 1.400 s 1.433 s1.433 s1.420 s16 ms1.15 %
Last Visual Change 4.000 s 4.167 s 3.867 s 3.900 s 3.833 s3.900 s3.953 s121 ms3.05 %
Speed Index 1.761 s 1.796 s 1.720 s 1.716 s 1.735 s1.735 s1.746 s30 ms1.70 %
Visual Readiness 2.566 s 2.734 s 2.467 s 2.500 s 2.400 s2.500 s2.533 s114 ms4.49 %
Visual Complete 95 2.967 s 3.100 s 2.867 s 2.867 s 2.800 s2.867 s2.920 s105 ms3.58 %
Visual Complete 99 2.967 s 3.100 s 2.867 s 2.867 s 2.800 s2.867 s2.920 s105 ms3.58 %
CPU metrics
Browser metrics
CPU benchmark score 77 ms 77 ms 77 ms 79 ms 77 ms77 ms77 ms1 ms1.03 %
Page metrics
DOM elements 22328 22328 22328 22328 22328223282232800.00 %
Document height 50848 50848 50848 50848 50848508485084800.00 %
Total Requests 66 66 67 66 67666600.74 %
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 MB900 B0.07 %
HTML Transfer Size 265.8 KB 265.8 KB 265.8 KB 265.8 KB 265.9 KB265.8 KB265.8 KB29 B0.01 %
JavaScript Transfer Size 311.2 KB 311.2 KB 311.2 KB 311.2 KB 311.6 KB311.2 KB311.3 KB176 B0.06 %
CSS Transfer Size 28.8 KB 28.8 KB 28.8 KB 28.8 KB 29.0 KB28.8 KB28.9 KB59 B0.20 %
Font Transfer Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Favicon Transfer Size 2.0 KB 2.0 KB 2.0 KB 2.0 KB 2.1 KB2.0 KB2.0 KB29 B1.42 %
Plain Transfer Size 973 B 973 B 973 B 973 B 1.0 KB973 B988 B29 B2.96 %
SVG Transfer Size 89.3 KB 89.3 KB 89.3 KB 89.3 KB 90.6 KB89.3 KB89.5 KB526 B0.57 %
Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
HTML Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
JavaScript Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
CSS Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Image Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Font Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Favicon Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Plain Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
SVG Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Third Party metrics
First Party metrics
First Party Requests 66 66 67 66 67666600.74 %
First Party Total Transfer Size 1.3 MB 1.3 MB 1.3 MB 1.3 MB 1.3 MB1.3 MB1.3 MB900 B0.07 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %