Metrics per run

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

Tested 2026-06-03 03:28:43 using Firefox 150.0.3 (runtime settings)

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 413 ms 407 ms 409 ms 407 ms 406 ms407 ms408 ms2 ms0.61 %
Largest Contentful Paint 2.068 s 2.034 s 2.000 s 2.000 s 2.137 s2.034 s2.048 s51 ms2.50 %
Timing metrics
First Paint 1.442 s 1.422 s 1.465 s 1.464 s 1.413 s1.442 s1.441 s21 ms1.47 %
Largest Contentful Paint 2.068 s 2.034 s 2.000 s 2.000 s 2.137 s2.034 s2.048 s51 ms2.50 %
Load Event End 2.148 s 2.095 s 2.126 s 2.119 s 2.067 s2.119 s2.111 s28 ms1.31 %
Server Response Time 106 ms 107 ms 107 ms 107 ms 106 ms107 ms107 ms0 ms0.46 %
TTFB 413 ms 407 ms 409 ms 407 ms 406 ms407 ms408 ms2 ms0.61 %
Page Load Time 2.148 s 2.095 s 2.126 s 2.119 s 2.067 s2.119 s2.111 s28 ms1.31 %
First Visual Change 1.500 s 1.500 s 1.500 s 1.500 s 1.467 s1.500 s1.493 s13 ms0.88 %
Last Visual Change 4.333 s 4.267 s 4.300 s 4.267 s 4.000 s4.267 s4.233 s119 ms2.82 %
Speed Index 1.823 s 1.790 s 1.802 s 1.806 s 1.760 s1.802 s1.796 s21 ms1.17 %
Visual Readiness 2.833 s 2.767 s 2.800 s 2.767 s 2.533 s2.767 s2.740 s106 ms3.88 %
Visual Complete 95 3.300 s 3.033 s 3.133 s 3.233 s 2.900 s3.133 s3.120 s142 ms4.56 %
Visual Complete 99 3.300 s 3.067 s 3.167 s 3.233 s 2.900 s3.167 s3.133 s140 ms4.46 %
CPU metrics
Browser metrics
CPU benchmark score 78 ms 80 ms 79 ms 78 ms 77 ms78 ms78 ms1 ms1.30 %
Page metrics
DOM elements 22222 22226 22227 22223 22222222232222420.01 %
Document height 50613 50617 50617 50613 50613506135061520.00 %
Total Requests 65 64 64 66 66656511.38 %
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 1.2 MB 1.3 MB 1.3 MB 1.2 MB 1.2 MB1.2 MB1.3 MB33.6 KB2.61 %
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 311.4 KB 312.3 KB 312.3 KB 311.4 KB 311.4 KB311.4 KB311.8 KB462 B0.14 %
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 86.4 KB 80.4 KB 80.4 KB 86.2 KB 86.2 KB86.2 KB83.9 KB2.9 KB3.45 %
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 64 64 66 66656511.38 %
First Party Total Transfer Size 1.2 MB 1.3 MB 1.3 MB 1.2 MB 1.2 MB1.2 MB1.3 MB33.6 KB2.61 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %