Metrics per run

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

Tested 2025-08-29 23:37:20 using Chrome 138.0.7204.168 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 504 ms 504 ms 487 ms 487 ms 486 ms487 ms494 ms8 ms1.72 %
First Contentful Paint 1.312 s 1.300 s 1.276 s 1.268 s 1.284 s1.284 s1.288 s16 ms1.24 %
Largest Contentful Paint 1.312 s 1.300 s 1.276 s 1.268 s 1.284 s1.284 s1.288 s16 ms1.24 %
Total Blocking Time 224 ms 229 ms 245 ms 191 ms 221 ms224 ms222 ms18 ms7.92 %
Cumulative Layout Shift 0.001 0.001 0.001 0.001 0.0010.0010.00100.00 %
Timing metrics
First Paint 1.312 s 1.300 s 1.276 s 1.268 s 1.284 s1.284 s1.288 s16 ms1.24 %
First Contentful Paint 1.312 s 1.300 s 1.276 s 1.268 s 1.284 s1.284 s1.288 s16 ms1.24 %
Largest Contentful Paint 1.312 s 1.300 s 1.276 s 1.268 s 1.284 s1.284 s1.288 s16 ms1.24 %
Load Event End 2.040 s 2.033 s 2.703 s 2.848 s 2.785 s2.703 s2.482 s366 ms14.77 %
Server Response Time 518 ms 518 ms 519 ms 519 ms 519 ms519 ms519 ms0 ms0.09 %
TTFB 504 ms 504 ms 487 ms 487 ms 486 ms487 ms494 ms8 ms1.72 %
Page Load Time 2.040 s 2.033 s 2.703 s 2.847 s 2.784 s2.703 s2.481 s366 ms14.75 %
First Visual Change 1.300 s 1.300 s 1.266 s 1.266 s 1.266 s1.266 s1.280 s17 ms1.30 %
Last Visual Change 2.700 s 2.600 s 2.566 s 2.666 s 2.666 s2.666 s2.640 s49 ms1.86 %
Speed Index 1.337 s 1.336 s 1.302 s 1.304 s 1.304 s1.304 s1.317 s16 ms1.24 %
Visual Readiness 1.400 s 1.300 s 1.300 s 1.400 s 1.400 s1.400 s1.360 s49 ms3.60 %
Visual Complete 95 1.366 s 1.366 s 1.333 s 1.366 s 1.366 s1.366 s1.359 s13 ms0.97 %
Visual Complete 99 2.600 s 2.566 s 2.533 s 2.533 s 2.600 s2.566 s2.566 s30 ms1.17 %
CPU metrics
Total Blocking Time 224 ms 229 ms 245 ms 191 ms 221 ms224 ms222 ms18 ms7.92 %
Max Potential FID 141 ms 143 ms 148 ms 149 ms 142 ms143 ms145 ms3 ms2.26 %
Number of Long Tasks 6 5 5 5 65509.07 %
Total Duration of Long Tasks 857 ms 799 ms 818 ms 763 ms 853 ms818 ms818 ms35 ms4.28 %
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 20838 20837 20837 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 MB7 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 369.4 KB 369.4 KB 369.4 KB 369.4 KB 369.4 KB369.4 KB369.4 KB0 b0.00 %
CSS Transfer Size 26.9 KB 26.9 KB 26.9 KB 26.9 KB 26.9 KB26.9 KB26.9 KB1 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 589.0 KB 589.0 KB 589.0 KB 589.0 KB 589.0 KB589.0 KB589.0 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 MB7 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 %