Metrics per run

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

Tested 2025-12-07 14:03:55 using Firefox 144.0.2 (runtime settings).

Side by side

Metric1234567MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 501 ms 518 ms 501 ms 501 ms 499 ms 516 ms 516 ms501 ms507 ms8 ms1.59 %
First Contentful Paint 1.016 s 1.016 s 948 ms 982 ms 931 ms 948 ms 1.016 s982 ms980 ms35 ms3.52 %
Largest Contentful Paint 2.144 s 2.099 s 2.138 s 2.120 s 2.138 s 2.173 s 1.051 s2.138 s1.980 s380 ms19.19 %
Timing metrics
First Paint 1.030 s 1.030 s 970 ms 997 ms 945 ms 961 ms 1.031 s997 ms995 ms34 ms3.40 %
First Contentful Paint 1.016 s 1.016 s 948 ms 982 ms 931 ms 948 ms 1.016 s982 ms980 ms35 ms3.52 %
Largest Contentful Paint 2.144 s 2.099 s 2.138 s 2.120 s 2.138 s 2.173 s 1.051 s2.138 s1.980 s380 ms19.19 %
Load Event End 2.196 s 2.196 s 2.145 s 2.233 s 2.160 s 2.176 s 2.215 s2.196 s2.189 s28 ms1.30 %
Server Response Time 195 ms 195 ms 195 ms 195 ms 194 ms 193 ms 195 ms195 ms195 ms1 ms0.37 %
TTFB 501 ms 518 ms 501 ms 501 ms 499 ms 516 ms 516 ms501 ms507 ms8 ms1.59 %
Page Load Time 2.196 s 2.195 s 2.144 s 2.232 s 2.160 s 2.176 s 2.214 s2.195 s2.188 s28 ms1.29 %
First Visual Change 1.067 s 1.100 s 1.033 s 1.033 s 1.000 s 1.033 s 1.100 s1.033 s1.052 s35 ms3.33 %
Last Visual Change 3.267 s 3.266 s 3.200 s 3.167 s 3.233 s 3.233 s 3.266 s3.233 s3.233 s35 ms1.10 %
Speed Index 1.202 s 1.233 s 1.179 s 1.182 s 1.152 s 1.169 s 1.238 s1.182 s1.194 s30 ms2.51 %
Visual Readiness 2.200 s 2.166 s 2.167 s 2.134 s 2.233 s 2.200 s 2.166 s2.167 s2.181 s30 ms1.37 %
Visual Complete 95 2.133 s 2.133 s 1.967 s 2.133 s 2.166 s 1.866 s 2.066 s2.133 s2.066 s102 ms4.95 %
Visual Complete 99 2.133 s 2.133 s 2.133 s 2.133 s 2.166 s 2.200 s 2.133 s2.133 s2.147 s24 ms1.13 %
CPU metrics
Browser metrics
CPU benchmark score 77 ms 76 ms 76 ms 76 ms 77 ms 76 ms 76 ms76 ms76 ms0 ms0.59 %
Page metrics
DOM elements 11671 11671 11671 11671 11671 11671 11671116711167100.00 %
Document height 48689 48689 48689 48689 48689 48689 48689486894868900.00 %
Total Requests 231 231 231 231 231 231 23123123100.00 %
HTML Requests 1 1 1 1 1 1 11100.00 %
JavaScript Requests 10 10 10 10 10 10 10101000.00 %
CSS Requests 3 3 3 3 3 3 33300.00 %
Font Requests 0 0 0 0 0 0 00000.00 %
HTTP Errors 0 0 0 0 0 0 0000N/A
Total Transfer Size 1.3 MB 1.3 MB 1.3 MB 1.3 MB 1.3 MB 1.3 MB 1.3 MB1.3 MB1.3 MB270 B0.02 %
HTML Transfer Size 134.8 KB 134.8 KB 134.8 KB 134.8 KB 134.8 KB 134.8 KB 134.8 KB134.8 KB134.8 KB0 b0.00 %
JavaScript Transfer Size 297.8 KB 297.9 KB 297.8 KB 297.9 KB 297.9 KB 297.8 KB 297.8 KB297.8 KB297.8 KB45 B0.01 %
CSS Transfer Size 29.2 KB 29.2 KB 29.2 KB 29.2 KB 29.2 KB 29.2 KB 29.2 KB29.2 KB29.2 KB1 B0.00 %
Font Transfer Size 0 b 0 b 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 KB 2.0 KB 2.0 KB2.0 KB2.0 KB0 b0.00 %
SVG Transfer Size 71.9 KB 71.9 KB 71.9 KB 71.9 KB 71.9 KB 71.9 KB 71.9 KB71.9 KB71.9 KB0 b0.00 %
Total Content Size 0 b 0 b 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 b 0 b 0 b0 b0 b0 b0.00 %
JavaScript Content Size 0 b 0 b 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 b 0 b 0 b0 b0 b0 b0.00 %
Image Content Size 0 b 0 b 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 b 0 b 0 b0 b0 b0 b0.00 %
Favicon Content Size 0 b 0 b 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 b 0 b 0 b0 b0 b0 b0.00 %
Third Party metrics
First Party metrics
First Party Requests 231 231 231 231 231 231 23123123100.00 %
First Party Total Transfer Size 1.3 MB 1.3 MB 1.3 MB 1.3 MB 1.3 MB 1.3 MB 1.3 MB1.3 MB1.3 MB270 B0.02 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %