Metrics per run

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

Tested 2025-08-27 23:28:50 using Chrome 138.0.7204.168 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 502 ms 576 ms 488 ms 505 ms 577 ms505 ms530 ms39 ms7.31 %
First Contentful Paint 1.308 s 1.360 s 1.288 s 1.304 s 1.380 s1.308 s1.328 s36 ms2.67 %
Largest Contentful Paint 1.308 s 1.360 s 1.288 s 1.304 s 1.380 s1.308 s1.328 s36 ms2.67 %
Total Blocking Time 225 ms 236 ms 229 ms 225 ms 228 ms228 ms229 ms4 ms1.76 %
Cumulative Layout Shift 0.001 0.001 0.001 0.001 0.0010.0010.00100.00 %
Timing metrics
First Paint 1.308 s 1.360 s 1.288 s 1.304 s 1.380 s1.308 s1.328 s36 ms2.67 %
First Contentful Paint 1.308 s 1.360 s 1.288 s 1.304 s 1.380 s1.308 s1.328 s36 ms2.67 %
Largest Contentful Paint 1.308 s 1.360 s 1.288 s 1.304 s 1.380 s1.308 s1.328 s36 ms2.67 %
Load Event End 1.968 s 2.078 s 1.986 s 1.972 s 2.043 s1.986 s2.009 s44 ms2.17 %
Server Response Time 519 ms 519 ms 519 ms 519 ms 519 ms519 ms519 ms0 ms0.00 %
TTFB 502 ms 576 ms 488 ms 505 ms 577 ms505 ms530 ms39 ms7.31 %
Page Load Time 1.968 s 2.078 s 1.986 s 1.972 s 2.043 s1.986 s2.009 s44 ms2.17 %
First Visual Change 1.300 s 1.366 s 1.300 s 1.300 s 1.366 s1.300 s1.326 s32 ms2.44 %
Last Visual Change 2.533 s 2.666 s 2.533 s 2.633 s 2.700 s2.633 s2.613 s69 ms2.63 %
Speed Index 1.330 s 1.399 s 1.331 s 1.335 s 1.398 s1.335 s1.359 s33 ms2.40 %
Visual Readiness 1.233 s 1.300 s 1.233 s 1.333 s 1.334 s1.300 s1.287 s45 ms3.53 %
Visual Complete 95 1.333 s 1.433 s 1.366 s 1.366 s 1.400 s1.366 s1.380 s34 ms2.47 %
Visual Complete 99 2.500 s 2.633 s 2.500 s 2.533 s 2.600 s2.533 s2.553 s54 ms2.12 %
CPU metrics
Total Blocking Time 225 ms 236 ms 229 ms 225 ms 228 ms228 ms229 ms4 ms1.76 %
Max Potential FID 141 ms 135 ms 137 ms 133 ms 138 ms137 ms137 ms3 ms1.98 %
Number of Long Tasks 5 5 5 6 65509.07 %
Total Duration of Long Tasks 793 ms 812 ms 816 ms 854 ms 851 ms816 ms825 ms24 ms2.86 %
Browser metrics
CPU benchmark score 34 ms 34 ms 34 ms 33 ms 34 ms34 ms34 ms0 ms1.18 %
Page metrics
Cumulative Layout Shift 0.001 0.001 0.001 0.001 0.0010.0010.00100.00 %
DOM elements 20856 20856 20856 20857 20857208562085600.00 %
Document height 41393 41393 41393 41393 41393413934139300.00 %
Total Requests 63 63 63 63 63636300.00 %
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 MB2.0 KB0.17 %
HTML Transfer Size 243.5 KB 243.4 KB 243.4 KB 243.4 KB 243.4 KB243.4 KB243.4 KB11 B0.00 %
JavaScript Transfer Size 367.2 KB 367.2 KB 367.2 KB 367.2 KB 367.2 KB367.2 KB367.2 KB0 b0.00 %
CSS Transfer Size 26.8 KB 26.8 KB 26.8 KB 26.8 KB 26.8 KB26.8 KB26.8 KB0 b0.00 %
Font Transfer Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Favicon Transfer Size 1.7 KB 1.7 KB 1.7 KB 1.7 KB 1.7 KB1.7 KB1.7 KB0 b0.00 %
SVG Transfer Size 28.7 KB 28.7 KB 28.7 KB 28.7 KB 28.7 KB28.7 KB28.7 KB0 b0.00 %
Total Content Size 3.8 MB 3.7 MB 3.7 MB 3.7 MB 3.7 MB3.7 MB3.7 MB2.0 KB0.05 %
HTML Content Size 1.5 MB 1.5 MB 1.5 MB 1.5 MB 1.5 MB1.5 MB1.5 MB0 b0.00 %
JavaScript Content Size 1.6 MB 1.6 MB 1.6 MB 1.6 MB 1.6 MB1.6 MB1.6 MB0 b0.00 %
CSS Content Size 190.3 KB 190.3 KB 190.3 KB 190.3 KB 190.3 KB190.3 KB190.3 KB0 b0.00 %
Image Content Size 522.2 KB 517.2 KB 517.2 KB 517.2 KB 517.2 KB517.2 KB518.2 KB2.0 KB0.39 %
Font Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Favicon Content Size 2.7 KB 2.7 KB 2.7 KB 2.7 KB 2.7 KB2.7 KB2.7 KB0 b0.00 %
SVG Content Size 23.7 KB 23.7 KB 23.7 KB 23.7 KB 23.7 KB23.7 KB23.7 KB0 b0.00 %
Third Party metrics
First Party metrics
First Party Requests 63 63 63 63 63636300.00 %
First Party Total Transfer Size 1.2 MB 1.2 MB 1.2 MB 1.2 MB 1.2 MB1.2 MB1.2 MB2.0 KB0.17 %
First Party Total Content Size 3.8 MB 3.7 MB 3.7 MB 3.7 MB 3.7 MB3.7 MB3.7 MB2.0 KB0.05 %