Metrics per run

https://it.wikipedia.org/wiki/Rai

Tested 2025-06-18 12:52:40 using Firefox 139.0.1 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 427 ms 427 ms 445 ms 444 ms 703 ms444 ms489 ms107 ms21.91 %
First Contentful Paint 881 ms 881 ms 914 ms 914 ms 1.152 s914 ms948 ms103 ms10.85 %
Largest Contentful Paint 2.187 s 2.136 s 2.205 s 2.221 s 2.289 s2.205 s2.208 s50 ms2.25 %
Timing metrics
First Paint 891 ms 896 ms 921 ms 921 ms 1.160 s921 ms958 ms102 ms10.63 %
First Contentful Paint 881 ms 881 ms 914 ms 914 ms 1.152 s914 ms948 ms103 ms10.85 %
Largest Contentful Paint 2.187 s 2.136 s 2.205 s 2.221 s 2.289 s2.205 s2.208 s50 ms2.25 %
Load Event End 2.182 s 2.213 s 2.197 s 2.209 s 2.299 s2.209 s2.220 s41 ms1.84 %
Server Response Time 125 ms 125 ms 125 ms 125 ms 138 ms125 ms128 ms5 ms4.08 %
TTFB 427 ms 427 ms 445 ms 444 ms 703 ms444 ms489 ms107 ms21.91 %
Page Load Time 2.182 s 2.213 s 2.197 s 2.208 s 2.299 s2.208 s2.220 s41 ms1.85 %
First Visual Change 933 ms 933 ms 967 ms 967 ms 1.233 s967 ms1.007 s114 ms11.35 %
Last Visual Change 2.800 s 2.967 s 2.867 s 2.833 s 3.100 s2.867 s2.913 s109 ms3.73 %
Speed Index 1.205 s 1.198 s 1.248 s 1.242 s 1.477 s1.242 s1.274 s103 ms8.12 %
Visual Readiness 1.867 s 2.034 s 1.900 s 1.866 s 1.867 s1.867 s1.907 s65 ms3.40 %
Visual Complete 95 2.200 s 2.133 s 2.233 s 2.233 s 2.333 s2.233 s2.226 s65 ms2.90 %
Visual Complete 99 2.200 s 2.133 s 2.233 s 2.233 s 2.333 s2.233 s2.226 s65 ms2.90 %
CPU metrics
Browser metrics
CPU benchmark score 52 ms 52 ms 52 ms 51 ms 51 ms52 ms52 ms0 ms0.95 %
Page metrics
DOM elements 11068 11068 11068 11068 11068110681106800.00 %
Document height 47250 47250 47250 47250 47250472504725000.00 %
Total Requests 207 207 207 207 20720720700.00 %
HTML Requests 1 1 1 1 11100.00 %
JavaScript Requests 10 10 10 10 10101000.00 %
CSS Requests 3 3 3 3 33300.00 %
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 MB38 B0.00 %
HTML Transfer Size 130.9 KB 130.9 KB 130.9 KB 130.9 KB 130.9 KB130.9 KB130.9 KB0 b0.00 %
JavaScript Transfer Size 282.1 KB 282.1 KB 282.1 KB 282.1 KB 282.1 KB282.1 KB282.1 KB1 B0.00 %
CSS Transfer Size 28.5 KB 28.5 KB 28.5 KB 28.5 KB 28.5 KB28.5 KB28.5 KB0 b0.00 %
Font Transfer Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Favicon Transfer Size 2.0 KB 2.0 KB 2.0 KB 2.0 KB 2.0 KB2.0 KB2.0 KB0 b0.00 %
SVG Transfer Size 34.3 KB 34.3 KB 34.3 KB 34.3 KB 34.3 KB34.3 KB34.3 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 %
Favicon 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 207 207 207 207 20720720700.00 %
First Party Total Transfer Size 1.1 MB 1.1 MB 1.1 MB 1.1 MB 1.1 MB1.1 MB1.1 MB38 B0.00 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %