Metrics per run

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

Tested 2025-08-29 20:36:43 using Chrome 138.0.7204.168 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 504 ms 487 ms 504 ms 505 ms 489 ms504 ms498 ms8 ms1.61 %
First Contentful Paint 1.300 s 1.276 s 1.324 s 1.288 s 1.284 s1.288 s1.294 s17 ms1.29 %
Largest Contentful Paint 1.300 s 1.276 s 1.324 s 1.288 s 1.284 s1.288 s1.294 s17 ms1.29 %
Total Blocking Time 226 ms 224 ms 228 ms 238 ms 218 ms226 ms227 ms7 ms2.88 %
Cumulative Layout Shift 0.001 0.001 0.001 0.001 0.0010.0010.00100.00 %
Timing metrics
First Paint 1.300 s 1.276 s 1.324 s 1.288 s 1.284 s1.288 s1.294 s17 ms1.29 %
First Contentful Paint 1.300 s 1.276 s 1.324 s 1.288 s 1.284 s1.288 s1.294 s17 ms1.29 %
Largest Contentful Paint 1.300 s 1.276 s 1.324 s 1.288 s 1.284 s1.288 s1.294 s17 ms1.29 %
Load Event End 2.036 s 2.754 s 2.032 s 2.716 s 2.028 s2.036 s2.313 s345 ms14.90 %
Server Response Time 519 ms 519 ms 520 ms 518 ms 517 ms519 ms519 ms1 ms0.20 %
TTFB 504 ms 487 ms 504 ms 505 ms 489 ms504 ms498 ms8 ms1.61 %
Page Load Time 2.036 s 2.753 s 2.032 s 2.716 s 2.028 s2.036 s2.313 s344 ms14.89 %
First Visual Change 1.300 s 1.266 s 1.333 s 1.300 s 1.266 s1.300 s1.293 s25 ms1.94 %
Last Visual Change 2.600 s 2.666 s 2.700 s 2.666 s 2.666 s2.666 s2.660 s33 ms1.22 %
Speed Index 1.335 s 1.305 s 1.364 s 1.333 s 1.304 s1.333 s1.328 s22 ms1.68 %
Visual Readiness 1.300 s 1.400 s 1.367 s 1.366 s 1.400 s1.367 s1.367 s37 ms2.67 %
Visual Complete 95 1.366 s 1.366 s 1.366 s 1.366 s 1.333 s1.366 s1.359 s13 ms0.97 %
Visual Complete 99 2.566 s 2.566 s 2.600 s 2.566 s 2.600 s2.566 s2.580 s17 ms0.65 %
CPU metrics
Total Blocking Time 226 ms 224 ms 228 ms 238 ms 218 ms226 ms227 ms7 ms2.88 %
Max Potential FID 140 ms 137 ms 142 ms 138 ms 143 ms140 ms140 ms2 ms1.63 %
Number of Long Tasks 5 6 6 6 66606.90 %
Total Duration of Long Tasks 801 ms 855 ms 866 ms 862 ms 838 ms855 ms844 ms24 ms2.81 %
Browser metrics
CPU benchmark score 33 ms 33 ms 33 ms 33 ms 33 ms33 ms33 ms0 ms0.00 %
Page metrics
Cumulative Layout Shift 0.001 0.001 0.001 0.001 0.0010.0010.00100.00 %
DOM elements 20837 20838 20838 20838 20838208382083800.00 %
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 MB2 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 369.5 KB 369.5 KB 369.5 KB 369.5 KB 369.5 KB369.5 KB369.5 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 586.9 KB 586.9 KB 586.9 KB 586.9 KB 586.9 KB586.9 KB586.9 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 MB2 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 %