Metrics per run

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

Tested 2026-06-04 04:19:11 using Firefox 150.0.3 (runtime settings)

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 436 ms 439 ms 434 ms 434 ms 437 ms436 ms436 ms2 ms0.44 %
Largest Contentful Paint 2.271 s 2.289 s 2.255 s 2.321 s 2.226 s2.271 s2.272 s32 ms1.40 %
Timing metrics
First Paint 1.363 s 1.381 s 1.382 s 1.376 s 1.389 s1.381 s1.378 s9 ms0.63 %
Largest Contentful Paint 2.271 s 2.289 s 2.255 s 2.321 s 2.226 s2.271 s2.272 s32 ms1.40 %
Load Event End 2.497 s 2.551 s 2.465 s 2.553 s 2.446 s2.497 s2.502 s44 ms1.74 %
Server Response Time 116 ms 117 ms 116 ms 117 ms 116 ms116 ms116 ms0 ms0.42 %
TTFB 436 ms 439 ms 434 ms 434 ms 437 ms436 ms436 ms2 ms0.44 %
Page Load Time 2.496 s 2.551 s 2.464 s 2.552 s 2.446 s2.496 s2.502 s44 ms1.74 %
First Visual Change 1.400 s 1.400 s 1.433 s 1.433 s 1.433 s1.433 s1.420 s16 ms1.14 %
Last Visual Change 3.733 s 3.800 s 3.800 s 3.800 s 3.733 s3.800 s3.773 s33 ms0.87 %
Speed Index 1.649 s 1.661 s 1.715 s 1.725 s 1.687 s1.687 s1.687 s29 ms1.75 %
Visual Readiness 2.333 s 2.400 s 2.367 s 2.367 s 2.300 s2.367 s2.353 s34 ms1.45 %
Visual Complete 95 2.600 s 2.667 s 2.767 s 2.767 s 2.633 s2.667 s2.687 s69 ms2.56 %
Visual Complete 99 2.667 s 2.700 s 2.767 s 2.767 s 2.700 s2.700 s2.720 s40 ms1.47 %
CPU metrics
Browser metrics
CPU benchmark score 77 ms 77 ms 77 ms 77 ms 77 ms77 ms77 ms0 ms0.00 %
Page metrics
DOM elements 22227 22227 22223 22223 22227222272222520.01 %
Document height 50637 50637 50633 50633 50637506375063520.00 %
Total Requests 64 64 66 65 64646511.24 %
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 1.3 MB 1.3 MB 1.4 MB1.4 MB1.4 MB32.8 KB2.37 %
HTML Transfer Size 264.7 KB 264.7 KB 264.7 KB 264.7 KB 264.7 KB264.7 KB264.7 KB0 b0.00 %
JavaScript Transfer Size 312.4 KB 312.4 KB 311.5 KB 311.5 KB 312.4 KB312.4 KB312.0 KB457 B0.14 %
CSS Transfer Size 28.1 KB 28.1 KB 28.1 KB 28.1 KB 28.1 KB28.1 KB28.1 KB1 B0.00 %
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 2.0 KB2.0 KB2.0 KB0 b0.00 %
SVG Transfer Size 82.3 KB 82.3 KB 88.8 KB 88.8 KB 82.3 KB82.3 KB84.9 KB3.2 KB3.77 %
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 %
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 64 64 66 65 64646511.24 %
First Party Total Transfer Size 1.4 MB 1.4 MB 1.3 MB 1.3 MB 1.4 MB1.4 MB1.4 MB32.8 KB2.37 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %