Metrics per run

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

Tested 2026-06-05 08:43:53 using Firefox 150.0.3 (runtime settings)

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 408 ms 409 ms 407 ms 408 ms 407 ms408 ms408 ms1 ms0.18 %
Largest Contentful Paint 2.544 s 2.270 s 2.433 s 2.343 s 2.196 s2.343 s2.357 s122 ms5.18 %
Timing metrics
First Paint 1.309 s 1.351 s 1.331 s 1.328 s 1.322 s1.328 s1.328 s14 ms1.03 %
Largest Contentful Paint 2.544 s 2.270 s 2.433 s 2.343 s 2.196 s2.343 s2.357 s122 ms5.18 %
Load Event End 2.548 s 2.515 s 2.437 s 2.542 s 2.480 s2.515 s2.504 s41 ms1.65 %
Server Response Time 107 ms 108 ms 107 ms 107 ms 107 ms107 ms107 ms0 ms0.37 %
TTFB 408 ms 409 ms 407 ms 408 ms 407 ms408 ms408 ms1 ms0.18 %
Page Load Time 2.548 s 2.515 s 2.437 s 2.542 s 2.480 s2.515 s2.504 s41 ms1.65 %
First Visual Change 1.334 s 1.400 s 1.367 s 1.367 s 1.367 s1.367 s1.367 s21 ms1.53 %
Last Visual Change 3.800 s 3.867 s 3.667 s 3.900 s 3.733 s3.800 s3.793 s85 ms2.25 %
Speed Index 1.633 s 1.696 s 1.662 s 1.679 s 1.608 s1.662 s1.656 s32 ms1.91 %
Visual Readiness 2.466 s 2.467 s 2.300 s 2.533 s 2.366 s2.466 s2.426 s83 ms3.41 %
Visual Complete 95 2.767 s 2.800 s 2.667 s 2.900 s 2.700 s2.767 s2.767 s82 ms2.95 %
Visual Complete 99 2.767 s 2.800 s 2.667 s 2.900 s 2.700 s2.767 s2.767 s82 ms2.95 %
CPU metrics
Browser metrics
CPU benchmark score 80 ms 80 ms 81 ms 77 ms 77 ms80 ms79 ms2 ms2.12 %
Page metrics
DOM elements 22223 22223 22223 22223 22223222232222300.00 %
Document height 50633 50633 50633 50633 50633506335063300.00 %
Total Requests 65 66 65 65 65656500.61 %
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 MB258 B0.02 %
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 315.3 KB 315.3 KB 315.4 KB 315.3 KB 315.4 KB315.3 KB315.3 KB45 B0.01 %
CSS Transfer Size 28.1 KB 28.1 KB 28.1 KB 28.1 KB 28.1 KB28.1 KB28.1 KB0 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 89.1 KB 89.1 KB 89.1 KB 89.1 KB 89.3 KB89.1 KB89.1 KB76 B0.08 %
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 65 66 65 65 65656500.61 %
First Party Total Transfer Size 1.4 MB 1.4 MB 1.4 MB 1.4 MB 1.4 MB1.4 MB1.4 MB258 B0.02 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %