Metrics per run

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

Tested 2026-06-04 11:24:07 using Firefox 150.0.3 (runtime settings)

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 406 ms 409 ms 406 ms 408 ms 407 ms407 ms407 ms1 ms0.29 %
Largest Contentful Paint 2.372 s 2.294 s 2.356 s 2.271 s 2.220 s2.294 s2.303 s56 ms2.42 %
Timing metrics
First Paint 1.333 s 1.320 s 1.337 s 1.353 s 1.325 s1.333 s1.334 s11 ms0.85 %
Largest Contentful Paint 2.372 s 2.294 s 2.356 s 2.271 s 2.220 s2.294 s2.303 s56 ms2.42 %
Load Event End 2.733 s 2.482 s 2.600 s 2.507 s 2.618 s2.600 s2.588 s89 ms3.45 %
Server Response Time 107 ms 107 ms 106 ms 107 ms 107 ms107 ms107 ms0 ms0.37 %
TTFB 406 ms 409 ms 406 ms 408 ms 407 ms407 ms407 ms1 ms0.29 %
Page Load Time 2.733 s 2.482 s 2.600 s 2.507 s 2.617 s2.600 s2.588 s89 ms3.45 %
First Visual Change 1.400 s 1.367 s 1.400 s 1.400 s 1.367 s1.400 s1.387 s16 ms1.17 %
Last Visual Change 3.767 s 3.733 s 3.867 s 3.833 s 3.867 s3.833 s3.813 s54 ms1.42 %
Speed Index 1.665 s 1.658 s 1.663 s 1.696 s 1.672 s1.665 s1.671 s13 ms0.80 %
Visual Readiness 2.367 s 2.366 s 2.467 s 2.433 s 2.500 s2.433 s2.427 s53 ms2.20 %
Visual Complete 95 2.633 s 2.700 s 2.700 s 2.800 s 2.833 s2.700 s2.733 s73 ms2.67 %
Visual Complete 99 2.733 s 2.700 s 2.767 s 2.800 s 2.833 s2.767 s2.767 s47 ms1.70 %
CPU metrics
Browser metrics
CPU benchmark score 77 ms 77 ms 80 ms 77 ms 77 ms77 ms78 ms1 ms1.55 %
Page metrics
DOM elements 22227 22223 22227 22223 22223222232222520.01 %
Document height 50637 50633 50637 50633 50633506335063520.00 %
Total Requests 64 65 64 66 65656511.15 %
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 1.5 MB 1.4 MB 1.5 MB 1.4 MB 1.4 MB1.4 MB1.4 MB32.6 KB2.21 %
HTML Transfer Size 264.7 KB 264.7 KB 264.7 KB 264.7 KB 264.7 KB264.7 KB264.7 KB30 B0.01 %
JavaScript Transfer Size 312.4 KB 311.9 KB 312.4 KB 311.5 KB 311.5 KB311.9 KB311.9 KB422 B0.13 %
CSS Transfer Size 28.1 KB 28.2 KB 28.1 KB 28.1 KB 28.1 KB28.1 KB28.1 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 2.1 KB 2.0 KB 2.0 KB 2.0 KB2.0 KB2.0 KB30 B1.44 %
SVG Transfer Size 82.3 KB 90.1 KB 82.3 KB 88.8 KB 88.8 KB88.8 KB86.5 KB3.4 KB3.99 %
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 65 64 66 65656511.15 %
First Party Total Transfer Size 1.5 MB 1.4 MB 1.5 MB 1.4 MB 1.4 MB1.4 MB1.4 MB32.6 KB2.21 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %