Metrics per run

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

Tested 2026-04-29 16:12:15 using Firefox 148.0.2 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 432 ms 528 ms 498 ms 432 ms 409 ms432 ms460 ms45 ms9.84 %
First Contentful Paint 1.050 s 1.175 s 1.163 s 1.072 s 1.069 s1.072 s1.106 s52 ms4.73 %
Largest Contentful Paint 1.290 s 1.933 s 1.629 s 1.798 s 1.798 s1.798 s1.690 s222 ms13.13 %
Timing metrics
First Paint 1.050 s 1.174 s 1.163 s 1.071 s 1.068 s1.071 s1.105 s52 ms4.73 %
First Contentful Paint 1.050 s 1.175 s 1.163 s 1.072 s 1.069 s1.072 s1.106 s52 ms4.73 %
Largest Contentful Paint 1.290 s 1.933 s 1.629 s 1.798 s 1.798 s1.798 s1.690 s222 ms13.13 %
Load Event End 2.959 s 2.715 s 2.889 s 2.944 s 2.508 s2.889 s2.803 s171 ms6.10 %
Server Response Time 110 ms 104 ms 104 ms 104 ms 104 ms104 ms105 ms2 ms2.28 %
TTFB 432 ms 528 ms 498 ms 432 ms 409 ms432 ms460 ms45 ms9.84 %
Page Load Time 2.959 s 2.714 s 2.889 s 2.944 s 2.508 s2.889 s2.803 s171 ms6.11 %
First Visual Change 1.100 s 1.233 s 1.233 s 1.133 s 1.133 s1.133 s1.166 s56 ms4.78 %
Last Visual Change 4.000 s 4.300 s 4.466 s 4.067 s 4.133 s4.133 s4.193 s169 ms4.03 %
Speed Index 1.206 s 1.371 s 1.366 s 1.259 s 1.261 s1.261 s1.293 s65 ms5.03 %
Visual Readiness 2.900 s 3.067 s 3.233 s 2.934 s 3.000 s3.000 s3.027 s118 ms3.90 %
Visual Complete 95 1.800 s 1.966 s 2.033 s 1.800 s 1.833 s1.833 s1.886 s96 ms5.06 %
Visual Complete 99 2.867 s 3.133 s 3.233 s 2.833 s 2.866 s2.867 s2.986 s164 ms5.49 %
CPU metrics
Browser metrics
CPU benchmark score 76 ms 78 ms 79 ms 79 ms 81 ms79 ms79 ms2 ms2.07 %
Page metrics
DOM elements 13286 13286 13287 13286 13286132861328600.00 %
Document height 49764 49764 49764 49764 49764497644976400.00 %
Total Requests 245 245 245 245 24524524500.00 %
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 1.4 MB 1.4 MB 1.4 MB 1.4 MB 1.4 MB1.4 MB1.4 MB279 B0.02 %
HTML Transfer Size 183.6 KB 183.6 KB 183.6 KB 183.6 KB 183.6 KB183.6 KB183.6 KB0 b0.00 %
JavaScript Transfer Size 313.6 KB 313.7 KB 313.6 KB 313.6 KB 313.6 KB313.6 KB313.6 KB29 B0.01 %
CSS Transfer Size 33.5 KB 33.5 KB 33.5 KB 33.5 KB 33.5 KB33.5 KB33.5 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 35.7 KB 35.7 KB 35.7 KB 35.7 KB 35.7 KB35.7 KB35.7 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 245 245 245 245 24524524500.00 %
First Party Total Transfer Size 1.4 MB 1.4 MB 1.4 MB 1.4 MB 1.4 MB1.4 MB1.4 MB279 B0.02 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %