Metrics per run

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

Tested 2026-04-29 15:55:01 using Chrome 146.0.7680.80 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 399 ms 414 ms 416 ms 399 ms 748 ms414 ms475 ms137 ms28.74 %
First Contentful Paint 920 ms 904 ms 900 ms 892 ms 1.212 s904 ms966 ms124 ms12.79 %
Largest Contentful Paint 1.044 s 1.056 s 1.048 s 992 ms 1.296 s1.048 s1.087 s107 ms9.82 %
Interaction to Next Paint 504 ms 472 ms 472 ms 472 ms 448 ms472 ms474 ms18 ms3.76 %
Total Blocking Time 52 ms 70 ms 56 ms 57 ms 59 ms57 ms59 ms6 ms10.28 %
Cumulative Layout Shift 0.028 0.028 0.028 0.028 0.0280.0280.02800.00 %
Timing metrics
First Paint 920 ms 904 ms 900 ms 892 ms 1.212 s904 ms966 ms124 ms12.79 %
First Contentful Paint 920 ms 904 ms 900 ms 892 ms 1.212 s904 ms966 ms124 ms12.79 %
Largest Contentful Paint 1.044 s 1.056 s 1.048 s 992 ms 1.296 s1.048 s1.087 s107 ms9.82 %
Load Event End 2.479 s 2.387 s 2.484 s 2.333 s 2.669 s2.479 s2.470 s114 ms4.63 %
Server Response Time 476 ms 476 ms 465 ms 476 ms 797 ms476 ms538 ms130 ms24.08 %
TTFB 399 ms 414 ms 416 ms 399 ms 748 ms414 ms475 ms137 ms28.74 %
Page Load Time 2.479 s 2.387 s 2.483 s 2.333 s 2.668 s2.479 s2.470 s114 ms4.62 %
First Visual Change 933 ms 900 ms 900 ms 900 ms 1.200 s900 ms967 ms117 ms12.15 %
Last Visual Change 2.200 s 2.200 s 2.233 s 2.166 s 2.666 s2.200 s2.293 s188 ms8.19 %
Speed Index 1.042 s 1.039 s 1.023 s 1.001 s 1.321 s1.039 s1.085 s119 ms10.95 %
Visual Readiness 1.267 s 1.300 s 1.333 s 1.266 s 1.466 s1.300 s1.326 s74 ms5.58 %
Visual Complete 95 1.700 s 1.666 s 1.633 s 1.533 s 2.200 s1.666 s1.746 s234 ms13.37 %
Visual Complete 99 1.966 s 1.933 s 1.933 s 1.800 s 2.500 s1.933 s2.026 s244 ms12.02 %
CPU metrics
Total Blocking Time 52 ms 70 ms 56 ms 57 ms 59 ms57 ms59 ms6 ms10.28 %
Max Potential FID 76 ms 86 ms 80 ms 76 ms 85 ms80 ms81 ms4 ms5.30 %
Number of Long Tasks 5 5 5 5 55500.00 %
Total Duration of Long Tasks 343 ms 386 ms 332 ms 328 ms 317 ms332 ms341 ms24 ms7.00 %
Browser metrics
CPU benchmark score 38 ms 38 ms 45 ms 34 ms 33 ms38 ms38 ms4 ms11.23 %
Page metrics
Cumulative Layout Shift 0.028 0.028 0.028 0.028 0.0280.0280.02800.00 %
DOM elements 13287 13287 13287 13287 13287132871328700.00 %
Document height 46530 46530 46530 46530 46530465304653000.00 %
Total Requests 241 244 244 244 24424424310.49 %
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 1.3 MB 1.3 MB 1.3 MB 1.3 MB 1.3 MB1.3 MB1.3 MB12.4 KB0.92 %
HTML Transfer Size 183.5 KB 183.5 KB 183.5 KB 183.5 KB 183.6 KB183.5 KB183.5 KB69 B0.04 %
JavaScript Transfer Size 312.2 KB 312.1 KB 312.1 KB 312.1 KB 312.8 KB312.1 KB312.2 KB308 B0.10 %
CSS Transfer Size 33.0 KB 33.0 KB 33.0 KB 33.0 KB 33.1 KB33.0 KB33.0 KB75 B0.22 %
Font Transfer Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Favicon Transfer Size 1.8 KB 1.8 KB 1.8 KB 1.8 KB 1.9 KB1.8 KB1.8 KB32 B1.73 %
SVG Transfer Size 31.7 KB 31.7 KB 31.7 KB 31.7 KB 33.2 KB31.7 KB32.0 KB615 B1.88 %
Total Content Size 3.1 MB 3.1 MB 3.1 MB 3.1 MB 3.1 MB3.1 MB3.1 MB2.7 KB0.08 %
HTML Content Size 1.2 MB 1.2 MB 1.2 MB 1.2 MB 1.2 MB1.2 MB1.2 MB116 B0.01 %
JavaScript Content Size 1.2 MB 1.2 MB 1.2 MB 1.2 MB 1.2 MB1.2 MB1.2 MB0 b0.00 %
CSS Content Size 205.2 KB 205.2 KB 205.2 KB 205.2 KB 205.2 KB205.2 KB205.2 KB0 b0.00 %
Image Content Size 539.1 KB 546.3 KB 546.1 KB 545.3 KB 545.3 KB545.3 KB544.4 KB2.7 KB0.49 %
Font Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Favicon Content Size 2.7 KB 2.7 KB 2.7 KB 2.7 KB 2.7 KB2.7 KB2.7 KB0 b0.00 %
SVG Content Size 34.2 KB 34.2 KB 34.2 KB 34.2 KB 34.2 KB34.2 KB34.2 KB0 b0.00 %
Third Party metrics
First Party metrics
First Party Requests 241 244 244 244 24424424310.49 %
First Party Total Transfer Size 1.3 MB 1.3 MB 1.3 MB 1.3 MB 1.3 MB1.3 MB1.3 MB12.4 KB0.92 %
First Party Total Content Size 3.1 MB 3.1 MB 3.1 MB 3.1 MB 3.1 MB3.1 MB3.1 MB2.7 KB0.08 %