What powers y99.vn?
Last seen Aug 2026 · 9 technologies across 8 categories
Analytics
JavaScript frameworks
Live chat
Miscellaneous
Performance
Programming languages
Web servers
Webmail
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Aug 2026.
- robots.txt found
- llms.txt not checked
- ai.txt not checked
AI Crawlers
No AI crawlers blocked
Audience
Vietnam
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
0.29 / 10 · ranked #52,460,823 of all domains
0 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| CLS | 0.65 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Vietnamese
- Weight: 4.5 MB · 23 requests
- Structured data: JSON-LD, OpenGraph
Homepage as crawled by the HTTP Archive, Aug 2026.
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Recent changes
- dropped Apple iCloud Mail Aug 2026
- detected Google Workspace Aug 2026
- dropped Google Workspace Jun 2026
- detected Google Workspace Oct 2025