Metrics per run

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

Tested 2026-06-24 00:00:23 using Chrome 149.0.7827.53 (runtime settings)

Side by side

Metric123MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 1.171 s 405 ms 404 ms405 ms660 ms361 ms54.75 %
Largest Contentful Paint 2.156 s 1.268 s 1.400 s1.400 s1.608 s391 ms24.33 %
Total Blocking Time 1.778 s 1.825 s 1.873 s1.825 s1.825 s39 ms2.12 %
Cumulative Layout Shift 0.207 0.207 0.2070.2070.20700.00 %
Timing metrics
First Paint 1.876 s 968 ms 900 ms968 ms1.248 s445 ms35.65 %
Largest Contentful Paint 2.156 s 1.268 s 1.400 s1.400 s1.608 s391 ms24.33 %
Load Event End 5.240 s 2.190 s 2.191 s2.191 s3.207 s1.438 s44.83 %
Server Response Time 1.429 s 420 ms 447 ms447 ms765 ms469 ms61.33 %
TTFB 1.171 s 405 ms 404 ms405 ms660 ms361 ms54.75 %
Page Load Time 5.237 s 2.190 s 2.191 s2.191 s3.206 s1.436 s44.80 %
First Visual Change 1.867 s 967 ms 900 ms967 ms1.245 s441 ms35.42 %
Last Visual Change 5.633 s 4.733 s 4.833 s4.833 s5.066 s403 ms7.95 %
Speed Index 3.450 s 2.442 s 2.500 s2.500 s2.797 s462 ms16.52 %
Visual Readiness 3.766 s 3.766 s 3.933 s3.766 s3.822 s79 ms2.06 %
Visual Complete 95 5.333 s 4.400 s 4.500 s4.500 s4.744 s418 ms8.82 %
Visual Complete 99 5.333 s 4.400 s 4.500 s4.500 s4.744 s418 ms8.82 %
CPU metrics
Total Blocking Time 1.778 s 1.825 s 1.873 s1.825 s1.825 s39 ms2.12 %
Max Potential FID 577 ms 457 ms 488 ms488 ms507 ms51 ms10.03 %
Number of Long Tasks 15 15 16151503.07 %
Total Duration of Long Tasks 2.568 s 2.614 s 2.713 s2.614 s2.632 s60 ms2.30 %
Browser metrics
CPU benchmark score 255 ms 258 ms 245 ms255 ms253 ms6 ms2.20 %
Page metrics
Cumulative Layout Shift 0.207 0.207 0.2070.2070.20700.00 %
DOM elements 8533 8533 85338533853300.00 %
Document height 5237 5237 52375237523700.00 %
Total Requests 39 39 39393900.00 %
HTML Requests 1 1 11100.00 %
JavaScript Requests 6 6 66600.00 %
CSS Requests 2 2 22200.00 %
Font Requests 0 0 00000.00 %
HTTP Errors 0 0 0000N/A
Total Transfer Size 1.2 MB 1.2 MB 1.2 MB1.2 MB1.2 MB41 B0.00 %
HTML Transfer Size 154.5 KB 154.5 KB 154.5 KB154.5 KB154.5 KB25 B0.02 %
JavaScript Transfer Size 393.3 KB 393.3 KB 393.3 KB393.3 KB393.3 KB4 B0.00 %
CSS Transfer Size 23.4 KB 23.3 KB 23.4 KB23.4 KB23.4 KB4 B0.02 %
Font Transfer Size 0 b 0 b 0 b0 b0 b0 b0.00 %
Favicon Transfer Size 1.8 KB 1.8 KB 1.8 KB1.8 KB1.8 KB0 b0.00 %
JSON Transfer Size 1.8 KB 1.8 KB 1.8 KB1.8 KB1.8 KB0 b0.00 %
Plain Transfer Size 881 B 877 B 881 B881 B880 B2 B0.21 %
SVG Transfer Size 25.0 KB 25.0 KB 25.0 KB25.0 KB25.0 KB0 b0.00 %
Total Content Size 3.2 MB 3.2 MB 3.2 MB3.2 MB3.2 MB0 b0.00 %
HTML Content Size 899.7 KB 899.7 KB 899.7 KB899.7 KB899.7 KB0 b0.00 %
JavaScript Content Size 1.6 MB 1.6 MB 1.6 MB1.6 MB1.6 MB0 b0.00 %
CSS Content Size 164.5 KB 164.5 KB 164.5 KB164.5 KB164.5 KB0 b0.00 %
Image Content Size 566.0 KB 566.0 KB 566.0 KB566.0 KB566.0 KB0 b0.00 %
Font Content Size 0 b 0 b 0 b0 b0 b0 b0.00 %
Favicon Content Size 2.7 KB 2.7 KB 2.7 KB2.7 KB2.7 KB0 b0.00 %
JSON Content Size 296 B 296 B 296 B296 B296 B0 b0.00 %
Plain Content Size 0 b 0 b 0 b0 b0 b0 b0.00 %
SVG Content Size 29.0 KB 29.0 KB 29.0 KB29.0 KB29.0 KB0 b0.00 %
Third Party metrics
First Party metrics
First Party Requests 39 39 39393900.00 %
First Party Total Transfer Size 1.2 MB 1.2 MB 1.2 MB1.2 MB1.2 MB41 B0.00 %
First Party Total Content Size 3.2 MB 3.2 MB 3.2 MB3.2 MB3.2 MB0 b0.00 %