Metrics per run

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

Tested 2026-06-16 19:43:26 using Firefox 151.0.3 (runtime settings)

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 417 ms 415 ms 419 ms 417 ms 417 ms417 ms417 ms1 ms0.30 %
Largest Contentful Paint 2.220 s 2.539 s 2.084 s 2.108 s 2.556 s2.220 s2.301 s206 ms8.96 %
Timing metrics
First Paint 1.509 s 1.454 s 1.412 s 1.356 s 1.479 s1.454 s1.442 s53 ms3.71 %
Largest Contentful Paint 2.220 s 2.539 s 2.084 s 2.108 s 2.556 s2.220 s2.301 s206 ms8.96 %
Load Event End 2.271 s 2.822 s 2.160 s 2.036 s 2.894 s2.271 s2.437 s353 ms14.48 %
Server Response Time 112 ms 112 ms 112 ms 113 ms 112 ms112 ms112 ms0 ms0.36 %
TTFB 417 ms 415 ms 419 ms 417 ms 417 ms417 ms417 ms1 ms0.30 %
Page Load Time 2.270 s 2.822 s 2.160 s 2.036 s 2.894 s2.270 s2.436 s353 ms14.48 %
First Visual Change 1.567 s 1.500 s 1.500 s 1.400 s 1.533 s1.500 s1.500 s56 ms3.72 %
Last Visual Change 4.400 s 4.367 s 4.333 s 4.200 s 4.400 s4.367 s4.340 s74 ms1.71 %
Speed Index 1.920 s 1.862 s 1.838 s 1.736 s 1.889 s1.862 s1.849 s63 ms3.39 %
Visual Readiness 2.833 s 2.867 s 2.833 s 2.800 s 2.867 s2.833 s2.840 s25 ms0.88 %
Visual Complete 95 3.400 s 3.367 s 3.267 s 3.133 s 3.400 s3.367 s3.313 s103 ms3.09 %
Visual Complete 99 3.400 s 3.367 s 3.267 s 3.133 s 3.400 s3.367 s3.313 s103 ms3.09 %
CPU metrics
Browser metrics
CPU benchmark score 77 ms 77 ms 77 ms 77 ms 76 ms77 ms77 ms0 ms0.52 %
Page metrics
DOM elements 22286 22286 22286 22286 22286222862228600.00 %
Document height 50822 50822 50822 50822 50822508225082200.00 %
Total Requests 67 67 67 67 66676700.60 %
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 MB2.9 KB0.22 %
HTML Transfer Size 265.3 KB 265.3 KB 265.3 KB 265.3 KB 265.3 KB265.3 KB265.3 KB36 B0.01 %
JavaScript Transfer Size 307.4 KB 307.8 KB 307.8 KB 307.4 KB 307.4 KB307.4 KB307.6 KB214 B0.07 %
CSS Transfer Size 28.2 KB 28.3 KB 28.3 KB 28.2 KB 28.2 KB28.2 KB28.3 KB71 B0.25 %
Font Transfer Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Favicon Transfer Size 2.0 KB 2.1 KB 2.1 KB 2.0 KB 2.0 KB2.0 KB2.0 KB36 B1.73 %
Plain Transfer Size 973 B 1.0 KB 1.0 KB 973 B 973 B973 B1002 B36 B3.57 %
SVG Transfer Size 89.1 KB 90.4 KB 90.4 KB 89.1 KB 89.1 KB89.1 KB89.6 KB644 B0.70 %
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 66676700.60 %
First Party Total Transfer Size 1.3 MB 1.3 MB 1.3 MB 1.3 MB 1.3 MB1.3 MB1.3 MB2.9 KB0.22 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %