Metrics per run

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

Tested 2025-08-28 17:29:41 using Chrome 138.0.7204.168 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 487 ms 488 ms 489 ms 487 ms 504 ms488 ms491 ms7 ms1.33 %
First Contentful Paint 1.268 s 1.296 s 1.296 s 1.284 s 1.296 s1.296 s1.288 s11 ms0.86 %
Largest Contentful Paint 1.268 s 1.296 s 1.296 s 1.284 s 1.296 s1.296 s1.288 s11 ms0.86 %
Total Blocking Time 237 ms 228 ms 229 ms 264 ms 247 ms237 ms241 ms13 ms5.55 %
Cumulative Layout Shift 0.001 0.001 0.001 0.001 0.0010.0010.00100.00 %
Timing metrics
First Paint 1.268 s 1.296 s 1.296 s 1.284 s 1.296 s1.296 s1.288 s11 ms0.86 %
First Contentful Paint 1.268 s 1.296 s 1.296 s 1.284 s 1.296 s1.296 s1.288 s11 ms0.86 %
Largest Contentful Paint 1.268 s 1.296 s 1.296 s 1.284 s 1.296 s1.296 s1.288 s11 ms0.86 %
Load Event End 1.985 s 1.950 s 1.947 s 1.944 s 1.999 s1.950 s1.965 s23 ms1.15 %
Server Response Time 517 ms 518 ms 523 ms 520 ms 519 ms519 ms519 ms2 ms0.40 %
TTFB 487 ms 488 ms 489 ms 487 ms 504 ms488 ms491 ms7 ms1.33 %
Page Load Time 1.985 s 1.950 s 1.947 s 1.944 s 1.999 s1.950 s1.965 s23 ms1.15 %
First Visual Change 1.266 s 1.300 s 1.300 s 1.300 s 1.300 s1.300 s1.293 s14 ms1.05 %
Last Visual Change 2.666 s 2.633 s 2.600 s 2.566 s 2.566 s2.600 s2.606 s39 ms1.49 %
Speed Index 1.303 s 1.331 s 1.330 s 1.330 s 1.331 s1.330 s1.325 s11 ms0.83 %
Visual Readiness 1.400 s 1.333 s 1.300 s 1.266 s 1.266 s1.300 s1.313 s50 ms3.82 %
Visual Complete 95 1.333 s 1.333 s 1.333 s 1.333 s 1.333 s1.333 s1.333 s0 ms0.00 %
Visual Complete 99 2.566 s 2.533 s 2.533 s 2.566 s 2.533 s2.533 s2.546 s16 ms0.63 %
CPU metrics
Total Blocking Time 237 ms 228 ms 229 ms 264 ms 247 ms237 ms241 ms13 ms5.55 %
Max Potential FID 136 ms 148 ms 135 ms 164 ms 138 ms138 ms144 ms11 ms7.58 %
Number of Long Tasks 6 6 6 6 56606.90 %
Total Duration of Long Tasks 863 ms 855 ms 857 ms 885 ms 829 ms857 ms858 ms18 ms2.09 %
Browser metrics
CPU benchmark score 37 ms 34 ms 33 ms 33 ms 33 ms33 ms34 ms2 ms4.56 %
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 41342 41342 41342 41342 41342413424134200.00 %
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 MB6 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 367.4 KB 367.4 KB 367.4 KB 367.4 KB 367.4 KB367.4 KB367.4 KB0 b0.00 %
CSS Transfer Size 26.9 KB 26.9 KB 26.9 KB 26.9 KB 26.9 KB26.9 KB26.9 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 28.9 KB 28.9 KB 28.9 KB 28.9 KB 28.9 KB28.9 KB28.9 KB0 b0.00 %
Total Content Size 3.7 MB 3.7 MB 3.7 MB 3.7 MB 3.7 MB3.7 MB3.7 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 516.0 KB 516.0 KB 516.0 KB 516.0 KB 516.0 KB516.0 KB516.0 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 1.2 MB 1.2 MB 1.2 MB 1.2 MB 1.2 MB1.2 MB1.2 MB6 B0.00 %
First Party Total Content Size 3.7 MB 3.7 MB 3.7 MB 3.7 MB 3.7 MB3.7 MB3.7 MB0 b0.00 %