Metrics per run

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

Tested 2025-08-29 08:33:55 using Chrome 138.0.7204.168 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 487 ms 488 ms 488 ms 502 ms 488 ms488 ms491 ms6 ms1.16 %
First Contentful Paint 1.292 s 1.280 s 1.268 s 1.300 s 1.288 s1.288 s1.286 s11 ms0.85 %
Largest Contentful Paint 1.292 s 1.280 s 1.268 s 1.300 s 1.288 s1.288 s1.286 s11 ms0.85 %
Total Blocking Time 221 ms 242 ms 252 ms 246 ms 258 ms246 ms244 ms13 ms5.18 %
Cumulative Layout Shift 0.001 0.001 0.001 0.001 0.0010.0010.00100.00 %
Timing metrics
First Paint 1.292 s 1.280 s 1.268 s 1.300 s 1.288 s1.288 s1.286 s11 ms0.85 %
First Contentful Paint 1.292 s 1.280 s 1.268 s 1.300 s 1.288 s1.288 s1.286 s11 ms0.85 %
Largest Contentful Paint 1.292 s 1.280 s 1.268 s 1.300 s 1.288 s1.288 s1.286 s11 ms0.85 %
Load Event End 2.031 s 2.019 s 2.788 s 2.037 s 2.015 s2.031 s2.178 s305 ms14.01 %
Server Response Time 519 ms 518 ms 518 ms 517 ms 520 ms518 ms518 ms1 ms0.20 %
TTFB 487 ms 488 ms 488 ms 502 ms 488 ms488 ms491 ms6 ms1.16 %
Page Load Time 2.031 s 2.019 s 2.788 s 2.037 s 2.015 s2.031 s2.178 s305 ms14.01 %
First Visual Change 1.300 s 1.266 s 1.266 s 1.300 s 1.300 s1.300 s1.286 s17 ms1.29 %
Last Visual Change 2.700 s 2.700 s 2.700 s 2.633 s 2.600 s2.700 s2.667 s42 ms1.58 %
Speed Index 1.333 s 1.304 s 1.304 s 1.333 s 1.333 s1.333 s1.321 s14 ms1.08 %
Visual Readiness 1.400 s 1.434 s 1.434 s 1.333 s 1.300 s1.400 s1.380 s54 ms3.95 %
Visual Complete 95 1.366 s 1.333 s 1.333 s 1.366 s 1.366 s1.366 s1.353 s16 ms1.20 %
Visual Complete 99 2.600 s 2.600 s 2.600 s 2.633 s 2.566 s2.600 s2.600 s21 ms0.82 %
CPU metrics
Total Blocking Time 221 ms 242 ms 252 ms 246 ms 258 ms246 ms244 ms13 ms5.18 %
Max Potential FID 135 ms 156 ms 160 ms 152 ms 155 ms155 ms152 ms9 ms5.73 %
Number of Long Tasks 6 6 6 6 66600.00 %
Total Duration of Long Tasks 855 ms 860 ms 876 ms 869 ms 880 ms869 ms868 ms9 ms1.08 %
Browser metrics
CPU benchmark score 33 ms 33 ms 34 ms 33 ms 36 ms33 ms34 ms1 ms3.45 %
Page metrics
Cumulative Layout Shift 0.001 0.001 0.001 0.001 0.0010.0010.00100.00 %
DOM elements 20838 20838 20838 20837 20837208382083800.00 %
Document height 41368 41368 41368 41368 41368413684136800.00 %
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 1.3 MB 1.3 MB 1.3 MB 1.3 MB 1.3 MB1.3 MB1.3 MB4 B0.00 %
HTML Transfer Size 243.1 KB 243.1 KB 243.1 KB 243.1 KB 243.1 KB243.1 KB243.1 KB0 b0.00 %
JavaScript Transfer Size 367.2 KB 367.3 KB 367.3 KB 367.3 KB 367.3 KB367.3 KB367.3 KB0 b0.00 %
CSS Transfer Size 26.9 KB 26.9 KB 26.9 KB 26.9 KB 26.9 KB26.9 KB26.9 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 28.6 KB 28.6 KB 28.6 KB 28.6 KB 28.6 KB28.6 KB28.6 KB0 b0.00 %
Total Content Size 3.8 MB 3.8 MB 3.8 MB 3.8 MB 3.8 MB3.8 MB3.8 MB0 b0.00 %
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 190.9 KB 190.9 KB 190.9 KB 190.9 KB 190.9 KB190.9 KB190.9 KB0 b0.00 %
Image Content Size 587.9 KB 587.9 KB 587.9 KB 587.9 KB 587.9 KB587.9 KB587.9 KB0 b0.00 %
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 1.3 MB 1.3 MB 1.3 MB 1.3 MB 1.3 MB1.3 MB1.3 MB4 B0.00 %
First Party Total Content Size 3.8 MB 3.8 MB 3.8 MB 3.8 MB 3.8 MB3.8 MB3.8 MB0 b0.00 %