Metrics per run

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

Tested 2026-06-05 12:17:41 using Firefox 150.0.3 (runtime settings)

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 409 ms 407 ms 409 ms 408 ms 407 ms408 ms408 ms1 ms0.22 %
Largest Contentful Paint 2.413 s 2.519 s 2.471 s 2.339 s 2.437 s2.437 s2.436 s60 ms2.47 %
Timing metrics
First Paint 1.330 s 1.359 s 1.308 s 1.350 s 1.330 s1.330 s1.335 s18 ms1.33 %
Largest Contentful Paint 2.413 s 2.519 s 2.471 s 2.339 s 2.437 s2.437 s2.436 s60 ms2.47 %
Load Event End 2.456 s 2.538 s 2.480 s 2.562 s 2.371 s2.480 s2.481 s67 ms2.71 %
Server Response Time 107 ms 107 ms 107 ms 107 ms 107 ms107 ms107 ms0 ms0.00 %
TTFB 409 ms 407 ms 409 ms 408 ms 407 ms408 ms408 ms1 ms0.22 %
Page Load Time 2.456 s 2.538 s 2.479 s 2.562 s 2.370 s2.479 s2.481 s67 ms2.72 %
First Visual Change 1.400 s 1.400 s 1.367 s 1.400 s 1.400 s1.400 s1.393 s13 ms0.95 %
Last Visual Change 3.800 s 3.867 s 3.733 s 3.833 s 3.700 s3.800 s3.787 s62 ms1.64 %
Speed Index 1.696 s 1.697 s 1.659 s 1.687 s 1.690 s1.690 s1.686 s14 ms0.82 %
Visual Readiness 2.400 s 2.467 s 2.366 s 2.433 s 2.300 s2.400 s2.393 s57 ms2.40 %
Visual Complete 95 2.767 s 2.833 s 2.700 s 2.767 s 2.667 s2.767 s2.747 s58 ms2.11 %
Visual Complete 99 2.767 s 2.833 s 2.700 s 2.767 s 2.667 s2.767 s2.747 s58 ms2.11 %
CPU metrics
Browser metrics
CPU benchmark score 77 ms 79 ms 80 ms 79 ms 80 ms79 ms79 ms1 ms1.39 %
Page metrics
DOM elements 22223 22223 22223 22223 22223222232222300.00 %
Document height 50633 50633 50633 50633 50633506335063300.00 %
Total Requests 65 65 66 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 MB267 B0.02 %
HTML Transfer Size 264.6 KB 264.6 KB 264.6 KB 264.6 KB 264.6 KB264.6 KB264.6 KB0 b0.00 %
JavaScript Transfer Size 310.9 KB 310.9 KB 310.9 KB 310.9 KB 311.0 KB310.9 KB311.0 KB37 B0.01 %
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 89.1 KB 89.1 KB 89.3 KB 89.3 KB 89.1 KB89.1 KB89.2 KB93 B0.10 %
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 65 66 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 MB267 B0.02 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %