Metrics per run

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

Tested 2026-05-31 18:57:19 using Firefox 150.0.3 (runtime settings)

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 408 ms 406 ms 406 ms 417 ms 405 ms406 ms408 ms4 ms1.08 %
Largest Contentful Paint 2.068 s 2.220 s 2.258 s 2.141 s 2.152 s2.152 s2.168 s66 ms3.05 %
Timing metrics
First Paint 1.300 s 1.298 s 1.304 s 1.283 s 1.304 s1.300 s1.298 s8 ms0.60 %
Largest Contentful Paint 2.068 s 2.220 s 2.258 s 2.141 s 2.152 s2.152 s2.168 s66 ms3.05 %
Load Event End 2.614 s 2.488 s 2.334 s 2.334 s 2.322 s2.334 s2.418 s115 ms4.77 %
Server Response Time 108 ms 107 ms 107 ms 117 ms 107 ms107 ms109 ms4 ms3.59 %
TTFB 408 ms 406 ms 406 ms 417 ms 405 ms406 ms408 ms4 ms1.08 %
Page Load Time 2.614 s 2.488 s 2.334 s 2.334 s 2.321 s2.334 s2.418 s116 ms4.78 %
First Visual Change 1.334 s 1.367 s 1.367 s 1.333 s 1.367 s1.367 s1.354 s16 ms1.21 %
Last Visual Change 3.700 s 3.733 s 3.700 s 3.767 s 3.700 s3.700 s3.720 s27 ms0.72 %
Speed Index 1.617 s 1.660 s 1.652 s 1.618 s 1.652 s1.652 s1.640 s18 ms1.12 %
Visual Readiness 2.366 s 2.366 s 2.333 s 2.434 s 2.333 s2.366 s2.366 s37 ms1.56 %
Visual Complete 95 2.700 s 2.733 s 2.700 s 2.667 s 2.733 s2.700 s2.707 s25 ms0.91 %
Visual Complete 99 2.700 s 2.733 s 2.700 s 2.667 s 2.733 s2.700 s2.707 s25 ms0.91 %
CPU metrics
Browser metrics
CPU benchmark score 77 ms 77 ms 82 ms 77 ms 77 ms77 ms78 ms2 ms2.56 %
Page metrics
DOM elements 22193 22193 22193 22193 22193221932219300.00 %
Document height 50535 50535 50535 50535 50535505355053500.00 %
Total Requests 67 65 66 66 66666610.96 %
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 1.3 MB 1.3 MB 1.3 MB 1.3 MB 1.3 MB1.3 MB1.3 MB273 B0.02 %
HTML Transfer Size 264.2 KB 264.2 KB 264.2 KB 264.2 KB 264.2 KB264.2 KB264.2 KB0 b0.00 %
JavaScript Transfer Size 311.1 KB 311.1 KB 311.1 KB 311.1 KB 311.1 KB311.1 KB311.1 KB1 B0.00 %
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 %
Plain Transfer Size 683 B N/A N/A N/A N/A683 B683 B0 b0.00 %
SVG Transfer Size 86.1 KB 86.1 KB 86.1 KB 86.1 KB 86.1 KB86.1 KB86.1 KB0 b0.00 %
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 %
Plain Content Size 0 b N/A N/A N/A N/A0 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 67 65 66 66 66666610.96 %
First Party Total Transfer Size 1.3 MB 1.3 MB 1.3 MB 1.3 MB 1.3 MB1.3 MB1.3 MB273 B0.02 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %