Metrics per run

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

Tested 2025-12-27 18:52:49 using Chrome 143.0.7499.109 (runtime settings).

Side by side

Metric123MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 430 ms 414 ms 414 ms414 ms419 ms8 ms1.80 %
First Contentful Paint 1.000 s 1.000 s 996 ms1.000 s999 ms2 ms0.19 %
Largest Contentful Paint 1.384 s 1.356 s 1.372 s1.372 s1.371 s11 ms0.84 %
Total Blocking Time 1.223 s 1.243 s 1.221 s1.223 s1.229 s10 ms0.81 %
Cumulative Layout Shift 0 0 00000.00 %
Timing metrics
First Paint 1.000 s 1.000 s 996 ms1.000 s999 ms2 ms0.19 %
First Contentful Paint 1.000 s 1.000 s 996 ms1.000 s999 ms2 ms0.19 %
Largest Contentful Paint 1.384 s 1.356 s 1.372 s1.372 s1.371 s11 ms0.84 %
Load Event End 1.944 s 1.943 s 1.968 s1.944 s1.952 s12 ms0.59 %
Server Response Time 430 ms 429 ms 428 ms429 ms429 ms1 ms0.19 %
TTFB 430 ms 414 ms 414 ms414 ms419 ms8 ms1.80 %
Page Load Time 1.944 s 1.943 s 1.968 s1.944 s1.952 s12 ms0.59 %
First Visual Change 1.000 s 1.000 s 1.000 s1.000 s1.000 s0 ms0.00 %
Last Visual Change 7.066 s 7.100 s 7.100 s7.100 s7.089 s16 ms0.23 %
Speed Index 1.766 s 1.805 s 1.789 s1.789 s1.787 s16 ms0.90 %
Visual Readiness 6.066 s 6.100 s 6.100 s6.100 s6.089 s16 ms0.26 %
Visual Complete 95 7.033 s 7.067 s 7.067 s7.067 s7.056 s16 ms0.23 %
Visual Complete 99 7.033 s 7.067 s 7.067 s7.067 s7.056 s16 ms0.23 %
CPU metrics
Total Blocking Time 1.223 s 1.243 s 1.221 s1.223 s1.229 s10 ms0.81 %
Max Potential FID 422 ms 440 ms 431 ms431 ms431 ms7 ms1.70 %
Number of Long Tasks 11 11 11111100.00 %
Total Duration of Long Tasks 1.851 s 1.879 s 1.851 s1.851 s1.860 s13 ms0.71 %
Browser metrics
CPU benchmark score 253 ms 253 ms 252 ms253 ms253 ms0 ms0.19 %
Page metrics
Cumulative Layout Shift 0 0 00000.00 %
DOM elements 8068 8068 80688068806800.00 %
Document height 5036 5036 50365036503600.00 %
Total Requests 28 28 28282800.00 %
HTML Requests 1 1 11100.00 %
JavaScript Requests 5 5 55500.00 %
CSS Requests 1 1 11100.00 %
Font Requests 0 0 00000.00 %
HTTP Errors 0 0 0000N/A
Total Transfer Size 634.4 KB 632.6 KB 632.6 KB632.6 KB633.2 KB883 B0.14 %
HTML Transfer Size 149.5 KB 149.3 KB 149.3 KB149.3 KB149.4 KB85 B0.06 %
JavaScript Transfer Size 228.5 KB 228.2 KB 228.2 KB228.2 KB228.3 KB158 B0.07 %
CSS Transfer Size 20.8 KB 20.7 KB 20.7 KB20.7 KB20.8 KB51 B0.24 %
Font Transfer Size 0 b 0 b 0 b0 b0 b0 b0.00 %
Favicon Transfer Size 1.9 KB 1.8 KB 1.8 KB1.8 KB1.8 KB40 B2.12 %
JSON Transfer Size 1.8 KB 1.8 KB 1.8 KB1.8 KB1.8 KB0 b0.00 %
SVG Transfer Size 18.1 KB 17.0 KB 17.0 KB17.0 KB17.3 KB511 B2.88 %
Total Content Size 2.1 MB 2.1 MB 2.1 MB2.1 MB2.1 MB224 B0.01 %
HTML Content Size 887.5 KB 887.0 KB 887.0 KB887.0 KB887.1 KB224 B0.02 %
JavaScript Content Size 862.5 KB 862.5 KB 862.5 KB862.5 KB862.5 KB0 b0.00 %
CSS Content Size 154.2 KB 154.2 KB 154.2 KB154.2 KB154.2 KB0 b0.00 %
Image Content Size 208.5 KB 208.5 KB 208.5 KB208.5 KB208.5 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 271 B 271 B 271 B271 B271 B0 b0.00 %
SVG Content Size 10.3 KB 10.3 KB 10.3 KB10.3 KB10.3 KB0 b0.00 %
Third Party metrics
First Party metrics
First Party Requests 28 28 28282800.00 %
First Party Total Transfer Size 634.4 KB 632.6 KB 632.6 KB632.6 KB633.2 KB883 B0.14 %
First Party Total Content Size 2.1 MB 2.1 MB 2.1 MB2.1 MB2.1 MB224 B0.01 %