Metrics per run

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

Tested 2025-04-05 17:26:57 using Chrome 134.0.6998.35 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 506 ms 488 ms 504 ms 489 ms 487 ms489 ms495 ms8 ms1.69 %
First Contentful Paint 1.080 s 1.092 s 1.068 s 1.068 s 1.052 s1.068 s1.072 s13 ms1.25 %
Largest Contentful Paint 1.080 s 1.092 s 1.068 s 1.068 s 1.052 s1.068 s1.072 s13 ms1.25 %
Total Blocking Time 26 ms 28 ms 32 ms 13 ms 15 ms26 ms23 ms7 ms32.75 %
Cumulative Layout Shift 0 0 0 0 00000.00 %
Timing metrics
First Paint 1.080 s 1.092 s 1.068 s 1.068 s 1.052 s1.068 s1.072 s13 ms1.25 %
First Contentful Paint 1.080 s 1.092 s 1.068 s 1.068 s 1.052 s1.068 s1.072 s13 ms1.25 %
Largest Contentful Paint 1.080 s 1.092 s 1.068 s 1.068 s 1.052 s1.068 s1.072 s13 ms1.25 %
Load Event End 2.047 s 2.148 s 2.205 s 2.102 s 2.084 s2.102 s2.117 s55 ms2.58 %
Server Response Time 415 ms 416 ms 416 ms 416 ms 416 ms416 ms416 ms0 ms0.10 %
TTFB 506 ms 488 ms 504 ms 489 ms 487 ms489 ms495 ms8 ms1.69 %
Page Load Time 2.046 s 2.147 s 2.204 s 2.102 s 2.084 s2.102 s2.117 s54 ms2.57 %
First Visual Change 1.066 s 1.066 s 1.066 s 1.033 s 1.033 s1.066 s1.053 s16 ms1.54 %
Last Visual Change 1.733 s 1.766 s 1.800 s 1.700 s 1.700 s1.733 s1.740 s39 ms2.23 %
Speed Index 1.080 s 1.082 s 1.082 s 1.048 s 1.048 s1.080 s1.068 s16 ms1.53 %
Visual Readiness 667 ms 700 ms 734 ms 667 ms 667 ms667 ms687 ms27 ms3.89 %
Visual Complete 95 1.066 s 1.066 s 1.066 s 1.033 s 1.033 s1.066 s1.053 s16 ms1.54 %
Visual Complete 99 1.733 s 1.766 s 1.766 s 1.700 s 1.700 s1.733 s1.733 s30 ms1.70 %
CPU metrics
Total Blocking Time 26 ms 28 ms 32 ms 13 ms 15 ms26 ms23 ms7 ms32.75 %
Max Potential FID 68 ms 65 ms 75 ms 63 ms 65 ms65 ms67 ms4 ms6.27 %
Number of Long Tasks 3 3 3 2 333014.29 %
Total Duration of Long Tasks 373 ms 403 ms 385 ms 312 ms 359 ms373 ms366 ms31 ms8.41 %
Browser metrics
CPU benchmark score 40 ms 41 ms 40 ms 40 ms 42 ms40 ms41 ms1 ms1.97 %
Page metrics
Cumulative Layout Shift 0 0 0 0 00000.00 %
DOM elements 8787 8787 8787 8787 87878787878700.00 %
Document height 32673 32673 32673 32673 32673326733267300.00 %
Total Requests 55 55 55 55 55555500.00 %
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 717.5 KB 717.5 KB 717.5 KB 717.5 KB 717.5 KB717.5 KB717.5 KB3 B0.00 %
HTML Transfer Size 136.9 KB 136.9 KB 136.9 KB 136.9 KB 136.9 KB136.9 KB136.9 KB0 b0.00 %
JavaScript Transfer Size 282.8 KB 282.8 KB 282.8 KB 282.8 KB 282.8 KB282.8 KB282.8 KB2 B0.00 %
CSS Transfer Size 25.2 KB 25.2 KB 25.2 KB 25.2 KB 25.2 KB25.2 KB25.2 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 27.9 KB 27.9 KB 27.9 KB 27.9 KB 27.9 KB27.9 KB27.9 KB1 B0.00 %
Total Content Size 2.3 MB 2.3 MB 2.3 MB 2.3 MB 2.3 MB2.3 MB2.3 MB0 b0.00 %
HTML Content Size 754.9 KB 754.9 KB 754.9 KB 754.9 KB 754.9 KB754.9 KB754.9 KB0 b0.00 %
JavaScript Content Size 1.1 MB 1.1 MB 1.1 MB 1.1 MB 1.1 MB1.1 MB1.1 MB0 b0.00 %
CSS Content Size 181.4 KB 181.4 KB 181.4 KB 181.4 KB 181.4 KB181.4 KB181.4 KB0 b0.00 %
Image Content Size 224.9 KB 224.9 KB 224.9 KB 224.9 KB 224.9 KB224.9 KB224.9 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 55 55 55 55 55555500.00 %
First Party Total Transfer Size 717.5 KB 717.5 KB 717.5 KB 717.5 KB 717.5 KB717.5 KB717.5 KB3 B0.00 %
First Party Total Content Size 2.3 MB 2.3 MB 2.3 MB 2.3 MB 2.3 MB2.3 MB2.3 MB0 b0.00 %