Metrics per run

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

Tested 2026-06-17 07:44:18 using Firefox 151.0.3 (runtime settings)

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 418 ms 418 ms 442 ms 416 ms 419 ms418 ms423 ms10 ms2.31 %
Largest Contentful Paint 2.513 s 2.686 s 2.441 s 2.187 s 2.430 s2.441 s2.451 s161 ms6.56 %
Timing metrics
First Paint 1.463 s 1.401 s 1.431 s 1.465 s 1.406 s1.431 s1.433 s27 ms1.89 %
Largest Contentful Paint 2.513 s 2.686 s 2.441 s 2.187 s 2.430 s2.441 s2.451 s161 ms6.56 %
Load Event End 2.870 s 2.691 s 2.739 s 2.256 s 2.772 s2.739 s2.666 s213 ms7.99 %
Server Response Time 112 ms 112 ms 112 ms 112 ms 112 ms112 ms112 ms0 ms0.00 %
TTFB 418 ms 418 ms 442 ms 416 ms 419 ms418 ms423 ms10 ms2.31 %
Page Load Time 2.869 s 2.690 s 2.739 s 2.256 s 2.771 s2.739 s2.665 s213 ms7.98 %
First Visual Change 1.500 s 1.434 s 1.467 s 1.533 s 1.434 s1.467 s1.474 s38 ms2.61 %
Last Visual Change 4.400 s 4.467 s 4.467 s 4.433 s 4.300 s4.433 s4.413 s62 ms1.40 %
Speed Index 1.896 s 1.859 s 1.865 s 1.890 s 1.822 s1.865 s1.866 s26 ms1.41 %
Visual Readiness 2.900 s 3.033 s 3.000 s 2.900 s 2.866 s2.900 s2.940 s65 ms2.20 %
Visual Complete 95 3.400 s 3.334 s 3.433 s 3.400 s 3.300 s3.400 s3.373 s49 ms1.45 %
Visual Complete 99 3.400 s 3.334 s 3.433 s 3.400 s 3.300 s3.400 s3.373 s49 ms1.45 %
CPU metrics
Browser metrics
CPU benchmark score 77 ms 77 ms 78 ms 77 ms 78 ms77 ms77 ms0 ms0.63 %
Page metrics
DOM elements 22287 22287 22287 22287 22287222872228700.00 %
Document height 50822 50822 50822 50822 50822508225082200.00 %
Total Requests 67 67 67 67 67676700.00 %
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 1.4 MB 1.4 MB 1.4 MB 1.4 MB 1.4 MB1.4 MB1.4 MB2.1 KB0.15 %
HTML Transfer Size 265.3 KB 265.3 KB 265.3 KB 265.4 KB 265.3 KB265.3 KB265.3 KB29 B0.01 %
JavaScript Transfer Size 307.4 KB 307.4 KB 307.4 KB 307.8 KB 307.4 KB307.4 KB307.5 KB175 B0.06 %
CSS Transfer Size 28.2 KB 28.2 KB 28.2 KB 28.3 KB 28.2 KB28.2 KB28.2 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 2.1 KB 2.0 KB2.0 KB2.0 KB29 B1.42 %
Plain Transfer Size 973 B 973 B 973 B 1.0 KB 973 B973 B988 B29 B2.96 %
SVG Transfer Size 89.1 KB 89.1 KB 89.1 KB 90.4 KB 89.1 KB89.1 KB89.4 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 67 67 67 67 67676700.00 %
First Party Total Transfer Size 1.4 MB 1.4 MB 1.4 MB 1.4 MB 1.4 MB1.4 MB1.4 MB2.1 KB0.15 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %