Metrics per run

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

Tested 2025-09-01 03:14:40 using Chrome 139.0.7258.127 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 785 ms 504 ms 504 ms 503 ms 486 ms504 ms556 ms115 ms20.58 %
First Contentful Paint 1.692 s 1.444 s 1.404 s 1.472 s 1.452 s1.452 s1.493 s102 ms6.83 %
Largest Contentful Paint 1.692 s 1.444 s 1.404 s 1.472 s 1.452 s1.452 s1.493 s102 ms6.83 %
Total Blocking Time 331 ms 216 ms 243 ms 257 ms 234 ms243 ms256 ms40 ms15.49 %
Cumulative Layout Shift 0.032 0.032 0.032 0.032 0.0320.0320.03200.00 %
Timing metrics
First Paint 1.692 s 1.444 s 1.404 s 1.472 s 1.452 s1.452 s1.493 s102 ms6.83 %
First Contentful Paint 1.692 s 1.444 s 1.404 s 1.472 s 1.452 s1.452 s1.493 s102 ms6.83 %
Largest Contentful Paint 1.692 s 1.444 s 1.404 s 1.472 s 1.452 s1.452 s1.493 s102 ms6.83 %
Load Event End 2.784 s 2.283 s 2.188 s 2.278 s 2.252 s2.278 s2.357 s216 ms9.17 %
Server Response Time 1.254 s 585 ms 580 ms 584 ms 584 ms584 ms717 ms268 ms37.40 %
TTFB 785 ms 504 ms 504 ms 503 ms 486 ms504 ms556 ms115 ms20.58 %
Page Load Time 2.784 s 2.283 s 2.188 s 2.278 s 2.252 s2.278 s2.357 s216 ms9.17 %
First Visual Change 1.700 s 1.433 s 1.400 s 1.466 s 1.433 s1.433 s1.486 s109 ms7.32 %
Last Visual Change 4.333 s 3.933 s 3.733 s 3.833 s 3.800 s3.833 s3.926 s213 ms5.43 %
Speed Index 2.061 s 1.754 s 1.701 s 1.768 s 1.738 s1.754 s1.804 s130 ms7.22 %
Visual Readiness 2.633 s 2.500 s 2.333 s 2.367 s 2.367 s2.367 s2.440 s112 ms4.60 %
Visual Complete 95 4.066 s 3.633 s 3.466 s 3.533 s 3.533 s3.533 s3.646 s217 ms5.94 %
Visual Complete 99 4.333 s 3.933 s 3.733 s 3.833 s 3.800 s3.833 s3.926 s213 ms5.43 %
CPU metrics
Total Blocking Time 331 ms 216 ms 243 ms 257 ms 234 ms243 ms256 ms40 ms15.49 %
Max Potential FID 171 ms 133 ms 134 ms 136 ms 129 ms134 ms141 ms15 ms10.93 %
Number of Long Tasks 7 6 6 6 66606.45 %
Total Duration of Long Tasks 900 ms 877 ms 913 ms 938 ms 919 ms913 ms909 ms20 ms2.23 %
Browser metrics
CPU benchmark score 34 ms 33 ms 33 ms 33 ms 33 ms33 ms33 ms0 ms1.20 %
Page metrics
Cumulative Layout Shift 0.032 0.032 0.032 0.032 0.0320.0320.03200.00 %
DOM elements 21566 21566 21565 21565 21565215652156500.00 %
Document height 57700 57700 57700 57700 57700577005770000.00 %
Total Requests 102 102 102 102 10210210200.00 %
HTML Requests 1 1 1 1 11100.00 %
JavaScript Requests 8 8 8 8 88800.00 %
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 1.7 MB 1.7 MB 1.7 MB 1.7 MB 1.7 MB1.7 MB1.7 MB3.3 KB0.19 %
HTML Transfer Size 297.1 KB 297.0 KB 297.0 KB 297.0 KB 297.0 KB297.0 KB297.0 KB45 B0.01 %
JavaScript Transfer Size 372.4 KB 372.6 KB 372.5 KB 372.5 KB 372.5 KB372.5 KB372.5 KB42 B0.01 %
CSS Transfer Size 27.3 KB 27.3 KB 27.3 KB 27.3 KB 27.3 KB27.3 KB27.3 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 %
JSON Transfer Size 2.4 KB 2.4 KB 2.4 KB 2.4 KB 2.4 KB2.4 KB2.4 KB0 b0.00 %
SVG Transfer Size 34.5 KB 35.0 KB 35.0 KB 35.2 KB 35.0 KB35.0 KB35.0 KB243 B0.68 %
Total Content Size 4.4 MB 4.4 MB 4.4 MB 4.4 MB 4.4 MB4.4 MB4.4 MB150 B0.00 %
HTML Content Size 1.7 MB 1.7 MB 1.7 MB 1.7 MB 1.7 MB1.7 MB1.7 MB0 b0.00 %
JavaScript Content Size 1.6 MB 1.6 MB 1.6 MB 1.6 MB 1.6 MB1.6 MB1.6 MB150 B0.01 %
CSS Content Size 194.7 KB 194.7 KB 194.7 KB 194.7 KB 194.7 KB194.7 KB194.7 KB0 b0.00 %
Image Content Size 928.0 KB 928.0 KB 928.0 KB 928.0 KB 928.0 KB928.0 KB928.0 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 %
JSON Content Size 3.5 KB 3.5 KB 3.5 KB 3.5 KB 3.5 KB3.5 KB3.5 KB0 b0.00 %
SVG Content Size 39.0 KB 39.0 KB 39.0 KB 39.0 KB 39.0 KB39.0 KB39.0 KB0 b0.00 %
Third Party metrics
First Party metrics
First Party Requests 102 102 102 102 10210210200.00 %
First Party Total Transfer Size 1.7 MB 1.7 MB 1.7 MB 1.7 MB 1.7 MB1.7 MB1.7 MB3.3 KB0.19 %
First Party Total Content Size 4.4 MB 4.4 MB 4.4 MB 4.4 MB 4.4 MB4.4 MB4.4 MB150 B0.00 %