Metrics per run

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

Tested 2025-08-31 08:53:02 using Chrome 138.0.7204.168 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 504 ms 503 ms 503 ms 486 ms 488 ms503 ms497 ms8 ms1.62 %
First Contentful Paint 1.304 s 1.312 s 1.296 s 1.292 s 1.284 s1.296 s1.298 s10 ms0.74 %
Largest Contentful Paint 1.304 s 1.312 s 1.296 s 1.292 s 1.284 s1.296 s1.298 s10 ms0.74 %
Total Blocking Time 251 ms 216 ms 229 ms 231 ms 251 ms231 ms236 ms14 ms5.77 %
Cumulative Layout Shift 0.001 0.001 0.001 0.001 0.0010.0010.00100.00 %
Timing metrics
First Paint 1.304 s 1.312 s 1.296 s 1.292 s 1.284 s1.296 s1.298 s10 ms0.74 %
First Contentful Paint 1.304 s 1.312 s 1.296 s 1.292 s 1.284 s1.296 s1.298 s10 ms0.74 %
Largest Contentful Paint 1.304 s 1.312 s 1.296 s 1.292 s 1.284 s1.296 s1.298 s10 ms0.74 %
Load Event End 2.054 s 2.045 s 2.043 s 2.050 s 2.028 s2.045 s2.044 s9 ms0.43 %
Server Response Time 517 ms 519 ms 525 ms 518 ms 519 ms519 ms520 ms3 ms0.54 %
TTFB 504 ms 503 ms 503 ms 486 ms 488 ms503 ms497 ms8 ms1.62 %
Page Load Time 2.054 s 2.045 s 2.043 s 2.050 s 2.028 s2.045 s2.044 s9 ms0.43 %
First Visual Change 1.300 s 1.300 s 1.300 s 1.300 s 1.266 s1.300 s1.293 s14 ms1.05 %
Last Visual Change 2.633 s 2.700 s 2.600 s 2.600 s 2.566 s2.600 s2.620 s45 ms1.73 %
Speed Index 1.336 s 1.334 s 1.333 s 1.333 s 1.303 s1.333 s1.328 s12 ms0.94 %
Visual Readiness 1.333 s 1.400 s 1.300 s 1.300 s 1.300 s1.300 s1.327 s39 ms2.93 %
Visual Complete 95 1.366 s 1.366 s 1.366 s 1.366 s 1.366 s1.366 s1.366 s0 ms0.00 %
Visual Complete 99 2.600 s 2.600 s 2.600 s 2.566 s 2.566 s2.600 s2.586 s17 ms0.64 %
CPU metrics
Total Blocking Time 251 ms 216 ms 229 ms 231 ms 251 ms231 ms236 ms14 ms5.77 %
Max Potential FID 145 ms 138 ms 136 ms 133 ms 150 ms138 ms140 ms6 ms4.43 %
Number of Long Tasks 5 6 5 5 55507.69 %
Total Duration of Long Tasks 826 ms 850 ms 798 ms 823 ms 826 ms826 ms825 ms16 ms2.00 %
Browser metrics
CPU benchmark score 33 ms 33 ms 33 ms 34 ms 33 ms33 ms33 ms0 ms1.20 %
Page metrics
Cumulative Layout Shift 0.001 0.001 0.001 0.001 0.0010.0010.00100.00 %
DOM elements 20836 20837 20836 20836 20836208362083600.00 %
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 MB5 B0.00 %
HTML Transfer Size 243.2 KB 243.2 KB 243.2 KB 243.2 KB 243.2 KB243.2 KB243.2 KB0 b0.00 %
JavaScript Transfer Size 369.3 KB 369.3 KB 369.3 KB 369.3 KB 369.3 KB369.3 KB369.3 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 596.8 KB 596.8 KB 596.8 KB 596.8 KB 596.8 KB596.8 KB596.8 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 MB5 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 %