Metrics per run

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

Tested 2026-06-17 23:48:30 using Firefox 151.0.3 (runtime settings)

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 834 ms 417 ms 420 ms 417 ms 449 ms420 ms507 ms164 ms32.27 %
Largest Contentful Paint 2.512 s 2.258 s 2.187 s 2.085 s 2.391 s2.258 s2.287 s150 ms6.58 %
Timing metrics
First Paint 1.494 s 1.457 s 1.509 s 1.466 s 1.406 s1.466 s1.466 s36 ms2.42 %
Largest Contentful Paint 2.512 s 2.258 s 2.187 s 2.085 s 2.391 s2.258 s2.287 s150 ms6.58 %
Load Event End 2.448 s 2.820 s 2.252 s 2.180 s 2.681 s2.448 s2.476 s245 ms9.87 %
Server Response Time 527 ms 112 ms 112 ms 112 ms 112 ms112 ms195 ms166 ms85.13 %
TTFB 834 ms 417 ms 420 ms 417 ms 449 ms420 ms507 ms164 ms32.27 %
Page Load Time 2.448 s 2.820 s 2.252 s 2.180 s 2.680 s2.448 s2.476 s244 ms9.87 %
First Visual Change 1.533 s 1.500 s 1.533 s 1.500 s 1.466 s1.500 s1.506 s25 ms1.66 %
Last Visual Change 4.600 s 4.333 s 4.400 s 4.367 s 4.233 s4.367 s4.387 s120 ms2.75 %
Speed Index 1.928 s 1.855 s 1.890 s 1.840 s 1.834 s1.855 s1.869 s35 ms1.88 %
Visual Readiness 3.067 s 2.833 s 2.867 s 2.867 s 2.767 s2.867 s2.880 s100 ms3.48 %
Visual Complete 95 3.533 s 3.300 s 3.400 s 3.300 s 3.233 s3.300 s3.353 s105 ms3.12 %
Visual Complete 99 3.533 s 3.300 s 3.400 s 3.300 s 3.233 s3.300 s3.353 s105 ms3.12 %
CPU metrics
Browser metrics
CPU benchmark score 78 ms 81 ms 80 ms 77 ms 77 ms78 ms79 ms2 ms2.07 %
Page metrics
DOM elements 22287 22287 22287 22287 22287222872228700.00 %
Document height 50822 50822 50822 50822 50822508225082200.00 %
Total Requests 67 67 67 67 67676700.00 %
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 MB914 B0.07 %
HTML Transfer Size 265.4 KB 265.4 KB 265.5 KB 265.5 KB 265.5 KB265.5 KB265.4 KB30 B0.01 %
JavaScript Transfer Size 310.2 KB 309.7 KB 310.2 KB 310.2 KB 310.1 KB310.2 KB310.1 KB179 B0.06 %
CSS Transfer Size 28.3 KB 28.2 KB 28.3 KB 28.3 KB 28.3 KB28.3 KB28.3 KB59 B0.20 %
Font Transfer Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Favicon Transfer Size 2.1 KB 2.0 KB 2.1 KB 2.1 KB 2.1 KB2.1 KB2.1 KB30 B1.42 %
Plain Transfer Size 1.0 KB 973 B 1.0 KB 1.0 KB 1.0 KB1.0 KB1.0 KB30 B2.89 %
SVG Transfer Size 90.4 KB 89.1 KB 90.4 KB 90.2 KB 90.3 KB90.3 KB90.1 KB522 B0.57 %
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 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 67 67 67 67 67676700.00 %
First Party Total Transfer Size 1.3 MB 1.3 MB 1.3 MB 1.3 MB 1.3 MB1.3 MB1.3 MB914 B0.07 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %