Metrics per run

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

Tested 2026-06-19 22:11:49 using Firefox 151.0.3 (runtime settings)

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 893 ms 448 ms 419 ms 418 ms 416 ms419 ms519 ms187 ms36.14 %
Largest Contentful Paint 3.027 s 2.293 s 2.169 s 2.458 s 2.151 s2.293 s2.420 s323 ms13.35 %
Timing metrics
First Paint 1.591 s 1.380 s 1.489 s 1.406 s 1.391 s1.406 s1.451 s80 ms5.49 %
Largest Contentful Paint 3.027 s 2.293 s 2.169 s 2.458 s 2.151 s2.293 s2.420 s323 ms13.35 %
Load Event End 2.945 s 2.501 s 2.248 s 2.623 s 2.160 s2.501 s2.495 s280 ms11.22 %
Server Response Time 588 ms 112 ms 112 ms 112 ms 112 ms112 ms207 ms190 ms91.89 %
TTFB 893 ms 448 ms 419 ms 418 ms 416 ms419 ms519 ms187 ms36.14 %
Page Load Time 2.945 s 2.501 s 2.248 s 2.623 s 2.159 s2.501 s2.495 s280 ms11.23 %
First Visual Change 1.667 s 1.433 s 1.533 s 1.434 s 1.467 s1.467 s1.507 s88 ms5.84 %
Last Visual Change 4.200 s 4.033 s 4.033 s 4.034 s 4.000 s4.033 s4.060 s71 ms1.75 %
Speed Index 2.015 s 1.758 s 1.820 s 1.755 s 1.767 s1.767 s1.823 s99 ms5.42 %
Visual Readiness 2.533 s 2.600 s 2.500 s 2.600 s 2.533 s2.533 s2.553 s40 ms1.57 %
Visual Complete 95 3.067 s 2.967 s 2.967 s 2.967 s 2.967 s2.967 s2.987 s40 ms1.34 %
Visual Complete 99 3.067 s 2.967 s 2.967 s 2.967 s 2.967 s2.967 s2.987 s40 ms1.34 %
CPU metrics
Browser metrics
CPU benchmark score 79 ms 78 ms 78 ms 77 ms 79 ms78 ms78 ms1 ms0.96 %
Page metrics
DOM elements 22328 22328 22328 22328 22328223282232800.00 %
Document height 50848 50848 50848 50848 50848508485084800.00 %
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 1.3 MB 1.3 MB 1.3 MB 1.3 MB 1.3 MB1.3 MB1.3 MB2.6 KB0.19 %
HTML Transfer Size 265.9 KB 265.9 KB 266.0 KB 265.9 KB 265.9 KB265.9 KB265.9 KB30 B0.01 %
JavaScript Transfer Size 311.8 KB 311.3 KB 311.8 KB 311.3 KB 311.3 KB311.3 KB311.5 KB221 B0.07 %
CSS Transfer Size 29.0 KB 28.8 KB 29.0 KB 28.8 KB 28.8 KB28.8 KB28.9 KB73 B0.25 %
Font Transfer Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Favicon Transfer Size 2.1 KB 2.0 KB 2.1 KB 2.0 KB 2.0 KB2.0 KB2.0 KB37 B1.77 %
Plain Transfer Size 1.0 KB 973 B 1.0 KB 973 B 969 B973 B1002 B37 B3.73 %
SVG Transfer Size 90.5 KB 89.2 KB 90.3 KB 89.2 KB 89.2 KB89.2 KB89.7 KB618 B0.67 %
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 1.3 MB 1.3 MB 1.3 MB 1.3 MB 1.3 MB1.3 MB1.3 MB2.6 KB0.19 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %