Metrics per run

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

Tested 2026-04-12 21:45:09 using Firefox 148.0.2 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 690 ms 428 ms 427 ms 745 ms 426 ms428 ms543 ms143 ms26.39 %
First Contentful Paint 1.397 s 1.144 s 1.125 s 1.397 s 1.130 s1.144 s1.239 s129 ms10.45 %
Largest Contentful Paint 2.436 s 2.180 s 2.107 s 2.582 s 1.475 s2.180 s2.156 s381 ms17.68 %
Timing metrics
First Paint 1.397 s 1.144 s 1.124 s 1.397 s 1.129 s1.144 s1.238 s130 ms10.49 %
First Contentful Paint 1.397 s 1.144 s 1.125 s 1.397 s 1.130 s1.144 s1.239 s129 ms10.45 %
Largest Contentful Paint 2.436 s 2.180 s 2.107 s 2.582 s 1.475 s2.180 s2.156 s381 ms17.68 %
Load Event End 2.441 s 2.184 s 2.247 s 2.504 s 2.221 s2.247 s2.319 s128 ms5.53 %
Server Response Time 369 ms 104 ms 105 ms 423 ms 104 ms105 ms221 ms144 ms65.11 %
TTFB 690 ms 428 ms 427 ms 745 ms 426 ms428 ms543 ms143 ms26.39 %
Page Load Time 2.440 s 2.183 s 2.247 s 2.504 s 2.221 s2.247 s2.319 s128 ms5.53 %
First Visual Change 1.466 s 1.200 s 1.166 s 1.466 s 1.200 s1.200 s1.300 s136 ms10.50 %
Last Visual Change 3.500 s 3.333 s 3.433 s 9.800 s 3.333 s3.433 s4.680 s2.561 s54.72 %
Speed Index 1.590 s 1.326 s 1.296 s 1.757 s 1.240 s1.326 s1.442 s198 ms13.76 %
Visual Readiness 2.034 s 2.133 s 2.267 s 8.334 s 2.133 s2.133 s3.380 s2.478 s73.31 %
Visual Complete 95 2.366 s 2.100 s 2.066 s 2.600 s 1.266 s2.100 s2.080 s451 ms21.67 %
Visual Complete 99 2.466 s 2.200 s 2.133 s 9.800 s 2.266 s2.266 s3.773 s3.016 s79.92 %
CPU metrics
Browser metrics
CPU benchmark score 78 ms 78 ms 77 ms 76 ms 76 ms77 ms77 ms1 ms1.16 %
Page metrics
DOM elements 21560 21560 21560 21560 21560215602156000.00 %
Document height 47575 47575 47575 47575 47575475754757500.00 %
Total Requests 64 64 64 65 64646400.62 %
HTML Requests 1 1 1 1 11100.00 %
JavaScript Requests 7 7 7 7 77700.00 %
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 1.2 MB 1.2 MB 1.2 MB 1.2 MB1.2 MB1.2 MB2.4 KB0.19 %
HTML Transfer Size 254.2 KB 254.2 KB 254.2 KB 254.3 KB 254.2 KB254.2 KB254.2 KB47 B0.02 %
JavaScript Transfer Size 303.8 KB 303.8 KB 303.8 KB 304.1 KB 303.7 KB303.8 KB303.8 KB161 B0.05 %
CSS Transfer Size 27.7 KB 27.7 KB 27.7 KB 27.8 KB 27.7 KB27.7 KB27.7 KB56 B0.20 %
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 2.1 KB 2.0 KB2.0 KB2.0 KB28 B1.34 %
Plain Transfer Size 973 B 973 B 973 B 2.0 KB 973 B973 B1.2 KB418 B35.36 %
SVG Transfer Size 81.6 KB 81.6 KB 81.6 KB 82.8 KB 81.6 KB81.6 KB81.8 KB528 B0.63 %
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 64 64 64 65 64646400.62 %
First Party Total Transfer Size 1.2 MB 1.2 MB 1.2 MB 1.2 MB 1.2 MB1.2 MB1.2 MB2.4 KB0.19 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %