1 page analysed for https://vi.wikipedia.org/wiki/...

Tested 2026-05-26 06:37:33 using Chrome (runtime settings)

Largest Contentful Paint
1.332 s (1.336 s)
Cumulative Layout Shift
0 (0)
Coach Performance Score
85 (85)
Coach Overall Score
83 (83)
Coach Best Practice Score
80 (80)
Coach Privacy Score
80 (80)
Total Requests
33 (33)
JavaScript Requests
7 (7)
CSS Requests
3 (3)
Total Transfer Size
695.3 KB (695.3 KB)
HTML Transfer Size
127.8 KB (127.8 KB)
JavaScript Transfer Size
340.2 KB (340.2 KB)
JavaScript Content Size
1.3 MB (1.3 MB)
CSS Transfer Size
25.1 KB (25.1 KB)
Image Transfer Size
175.8 KB (175.8 KB)
First Paint
964 ms (964 ms)
Fully Loaded
3.805 s (3.842 s)
Page Load Time
1.938 s (1.946 s)
First Visual Change
967 ms (967 ms)
Last Visual Change
12.133 s (12.167 s)
Speed Index
2.561 s (2.563 s)
Visual Readiness
11.166 s (11.234 s)
TTFB
395 ms (396 ms)
Total Duration of Long Tasks
2.058 s (2.108 s)
Number of Long Tasks
16 (16)
Total Blocking Time
1.191 s (1.291 s)
Max Potential FID
265 ms (277 ms)

* The value inside of the parentheses are the 90th percentile (90% of the time, the number is below this amount)