Metrics per run

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

Tested 2026-03-27 23:22:04 using Firefox 148.0.2 (script).(runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 215 ms 191 ms 118 ms 152 ms 201 ms191 ms175 ms36 ms20.25 %
First Contentful Paint 1.072 s 1.053 s 998 ms 1.006 s 939 ms1.006 s1.014 s47 ms4.59 %
Largest Contentful Paint 1.090 s 1.053 s 998 ms 1.019 s 952 ms1.019 s1.022 s47 ms4.60 %
Interaction to Next Paint 320 ms 304 ms 320 ms NaN s NaN s320 ms315 ms8 ms2.40 %
Timing metrics
First Paint 1.072 s 1.052 s 997 ms 1.006 s 938 ms1.006 s1.013 s47 ms4.62 %
First Contentful Paint 1.072 s 1.053 s 998 ms 1.006 s 939 ms1.006 s1.014 s47 ms4.59 %
Largest Contentful Paint 1.090 s 1.053 s 998 ms 1.019 s 952 ms1.019 s1.022 s47 ms4.60 %
Load Event End 2.035 s 1.941 s 1.768 s 1.920 s 1.737 s1.920 s1.880 s112 ms5.94 %
Server Response Time 208 ms 184 ms 112 ms 145 ms 195 ms184 ms169 ms35 ms20.94 %
TTFB 215 ms 191 ms 118 ms 152 ms 201 ms191 ms175 ms36 ms20.25 %
Page Load Time 2.034 s 1.940 s 1.767 s 1.920 s 1.736 s1.920 s1.879 s112 ms5.95 %
First Visual Change 1.133 s 1.100 s 1.033 s 1.066 s 1.000 s1.066 s1.066 s47 ms4.42 %
Last Visual Change 3.300 s 3.066 s 3.233 s 3.200 s 3.166 s3.200 s3.193 s77 ms2.42 %
Speed Index 1.167 s 1.135 s 1.065 s 1.108 s 1.036 s1.108 s1.102 s47 ms4.27 %
Visual Readiness 2.167 s 1.966 s 2.200 s 2.134 s 2.166 s2.166 s2.127 s83 ms3.90 %
Visual Complete 95 1.133 s 1.100 s 1.033 s 1.066 s 1.000 s1.066 s1.066 s47 ms4.42 %
Visual Complete 99 1.766 s 1.933 s 1.766 s 2.100 s 1.733 s1.766 s1.860 s139 ms7.48 %
CPU metrics
Browser metrics
CPU benchmark score 52 ms 52 ms 51 ms 51 ms 77 ms52 ms57 ms10 ms18.04 %
Page metrics
DOM elements 23098 23099 23098 23099 23099230992309900.00 %
Document height 64769 64769 64769 64769 64769647696476900.00 %
Total Requests 92 92 92 92 92929200.00 %
HTML Requests 1 1 1 1 11100.00 %
JavaScript Requests 2 2 2 2 22200.00 %
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 1.1 MB 1.1 MB 1.1 MB 1.1 MB 1.1 MB1.1 MB1.1 MB2.1 KB0.18 %
HTML Transfer Size 318.5 KB 318.5 KB 318.5 KB 318.5 KB 318.5 KB318.5 KB318.5 KB0 b0.00 %
JavaScript Transfer Size 72.7 KB 72.7 KB 72.7 KB 72.7 KB 72.7 KB72.7 KB72.7 KB0 b0.00 %
CSS Transfer Size 24.7 KB 25.7 KB 24.7 KB 24.7 KB 24.7 KB24.7 KB24.9 KB410 B1.61 %
Font Transfer Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Plain Transfer Size 973 B 973 B 973 B 973 B 973 B973 B973 B0 b0.00 %
SVG Transfer Size 23.3 KB 23.3 KB 23.3 KB 23.3 KB 23.3 KB23.3 KB23.3 KB0 b0.00 %
Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
HTML Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
JavaScript Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
CSS Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Image Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Font Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Plain Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
SVG Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Third Party metrics
First Party metrics
First Party Requests 92 92 92 92 92929200.00 %
First Party Total Transfer Size 1.1 MB 1.1 MB 1.1 MB 1.1 MB 1.1 MB1.1 MB1.1 MB2.1 KB0.18 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %