Metrics per run

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

Tested 2025-04-05 20:26:39 using Chrome 134.0.6998.35 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 489 ms 486 ms 488 ms 488 ms 506 ms488 ms491 ms7 ms1.50 %
First Contentful Paint 1.060 s 1.072 s 1.052 s 1.072 s 1.080 s1.072 s1.067 s10 ms0.93 %
Largest Contentful Paint 1.060 s 1.072 s 1.052 s 1.072 s 1.080 s1.072 s1.067 s10 ms0.93 %
Total Blocking Time 22 ms 20 ms 21 ms 13 ms 16 ms20 ms18 ms3 ms18.38 %
Cumulative Layout Shift 0 0 0 0 00000.00 %
Timing metrics
First Paint 1.060 s 1.072 s 1.052 s 1.072 s 1.080 s1.072 s1.067 s10 ms0.93 %
First Contentful Paint 1.060 s 1.072 s 1.052 s 1.072 s 1.080 s1.072 s1.067 s10 ms0.93 %
Largest Contentful Paint 1.060 s 1.072 s 1.052 s 1.072 s 1.080 s1.072 s1.067 s10 ms0.93 %
Load Event End 2.090 s 2.062 s 2.087 s 2.104 s 2.070 s2.087 s2.083 s15 ms0.72 %
Server Response Time 417 ms 416 ms 415 ms 417 ms 416 ms416 ms416 ms1 ms0.18 %
TTFB 489 ms 486 ms 488 ms 488 ms 506 ms488 ms491 ms7 ms1.50 %
Page Load Time 2.089 s 2.061 s 2.086 s 2.104 s 2.069 s2.086 s2.082 s15 ms0.73 %
First Visual Change 1.033 s 1.033 s 1.066 s 1.066 s 1.066 s1.066 s1.053 s16 ms1.54 %
Last Visual Change 1.733 s 1.766 s 1.733 s 1.733 s 1.700 s1.733 s1.733 s21 ms1.20 %
Speed Index 1.049 s 1.049 s 1.080 s 1.081 s 1.080 s1.080 s1.068 s15 ms1.44 %
Visual Readiness 700 ms 733 ms 667 ms 667 ms 634 ms667 ms680 ms34 ms4.95 %
Visual Complete 95 1.033 s 1.033 s 1.066 s 1.066 s 1.066 s1.066 s1.053 s16 ms1.54 %
Visual Complete 99 1.733 s 1.733 s 1.733 s 1.733 s 1.700 s1.733 s1.726 s13 ms0.76 %
CPU metrics
Total Blocking Time 22 ms 20 ms 21 ms 13 ms 16 ms20 ms18 ms3 ms18.38 %
Max Potential FID 62 ms 64 ms 63 ms 62 ms 66 ms63 ms63 ms1 ms2.36 %
Number of Long Tasks 3 3 4 3 233121.08 %
Total Duration of Long Tasks 365 ms 370 ms 421 ms 375 ms 305 ms370 ms367 ms37 ms10.07 %
Browser metrics
CPU benchmark score 40 ms 40 ms 42 ms 40 ms 40 ms40 ms40 ms1 ms1.98 %
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 713.7 KB 713.7 KB717.5 KB716.0 KB1.9 KB0.26 %
HTML Transfer Size 136.9 KB 136.9 KB 136.9 KB 136.9 KB 136.9 KB136.9 KB136.9 KB4 B0.00 %
JavaScript Transfer Size 282.8 KB 282.8 KB 282.8 KB 282.8 KB 282.8 KB282.8 KB282.8 KB0 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 KB0 b0.00 %
Total Content Size 2.3 MB 2.3 MB 2.3 MB 2.3 MB 2.3 MB2.3 MB2.3 MB1.9 KB0.08 %
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 221.1 KB 221.1 KB224.9 KB223.4 KB1.9 KB0.83 %
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 713.7 KB 713.7 KB717.5 KB716.0 KB1.9 KB0.26 %
First Party Total Content Size 2.3 MB 2.3 MB 2.3 MB 2.3 MB 2.3 MB2.3 MB2.3 MB1.9 KB0.08 %