Metrics per run

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

Tested 2026-03-04 11:40:17 using Firefox 147.0 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 548 ms 546 ms 440 ms 443 ms 456 ms456 ms487 ms50 ms10.20 %
First Contentful Paint 1.124 s 1.132 s 1.035 s 1.035 s 1.051 s1.051 s1.075 s43 ms4.04 %
Largest Contentful Paint 1.124 s 1.204 s 1.035 s 1.035 s 1.051 s1.051 s1.090 s66 ms6.05 %
Timing metrics
First Paint 1.123 s 1.131 s 1.035 s 1.034 s 1.051 s1.051 s1.075 s43 ms4.01 %
First Contentful Paint 1.124 s 1.132 s 1.035 s 1.035 s 1.051 s1.051 s1.075 s43 ms4.04 %
Largest Contentful Paint 1.124 s 1.204 s 1.035 s 1.035 s 1.051 s1.051 s1.090 s66 ms6.05 %
Load Event End 2.169 s 2.190 s 2.135 s 2.184 s 2.190 s2.184 s2.174 s21 ms0.96 %
Server Response Time 120 ms 120 ms 120 ms 120 ms 120 ms120 ms120 ms0 ms0.00 %
TTFB 548 ms 546 ms 440 ms 443 ms 456 ms456 ms487 ms50 ms10.20 %
Page Load Time 2.168 s 2.189 s 2.134 s 2.183 s 2.190 s2.183 s2.173 s21 ms0.96 %
First Visual Change 1.167 s 1.167 s 1.067 s 1.067 s 1.100 s1.100 s1.114 s45 ms4.06 %
Last Visual Change 3.300 s 3.333 s 3.267 s 3.300 s 3.366 s3.300 s3.313 s34 ms1.02 %
Speed Index 1.246 s 1.255 s 1.148 s 1.123 s 1.184 s1.184 s1.191 s52 ms4.39 %
Visual Readiness 2.133 s 2.166 s 2.200 s 2.233 s 2.266 s2.200 s2.200 s47 ms2.14 %
Visual Complete 95 2.033 s 2.167 s 1.867 s 1.067 s 2.000 s2.000 s1.827 s392 ms21.44 %
Visual Complete 99 2.033 s 2.167 s 1.967 s 2.200 s 2.033 s2.033 s2.080 s88 ms4.25 %
CPU metrics
Browser metrics
CPU benchmark score 76 ms 78 ms 77 ms 77 ms 77 ms77 ms77 ms1 ms0.82 %
Page metrics
DOM elements 13260 13260 13260 13260 13260132601326000.00 %
Document height 50282 50282 50282 50333 502825028250292200.04 %
Total Requests 72 72 73 72 71727210.88 %
HTML Requests 1 1 1 1 11100.00 %
JavaScript Requests 9 9 9 9 99900.00 %
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 792.6 KB 822.3 KB 828.5 KB 796.9 KB 790.3 KB796.9 KB806.1 KB16.0 KB1.98 %
HTML Transfer Size 182.9 KB 182.9 KB 182.9 KB 182.9 KB 182.9 KB182.9 KB182.9 KB0 b0.00 %
JavaScript Transfer Size 306.4 KB 306.4 KB 306.4 KB 306.4 KB 306.4 KB306.4 KB306.4 KB2 B0.00 %
CSS Transfer Size 30.8 KB 30.8 KB 30.8 KB 30.8 KB 30.8 KB30.8 KB30.8 KB1 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 34.5 KB 34.5 KB 34.5 KB 34.5 KB 34.5 KB34.5 KB34.5 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 72 72 73 72 71727210.88 %
First Party Total Transfer Size 792.6 KB 822.3 KB 828.5 KB 796.9 KB 790.3 KB796.9 KB806.1 KB16.0 KB1.98 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %