What powers 
hanoionline.vn?
Last seen Aug 2026 · 25 technologies across 13 categories
Analytics
Authentication
CDN
Font scripts
JavaScript frameworks
JavaScript libraries
Miscellaneous
Reverse proxies
Security
UI frameworks
Video players
Web frameworks
Web servers
AI Crawlers
Does not block any of the 33 AI crawlers we track in its robots.txt. Checked Sep 2026.
Training crawlers
- Applebot-Extended Allowed
- ClaudeBot Allowed
- Google-Extended Allowed
- GPTBot Allowed
Search and AI assistants
- OAI-SearchBot Allowed
- PerplexityBot Allowed
The other 27 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.
- robots.txt found
- llms.txt found
- llms-full.txt found
- ai.txt not found
- Sep 2026 applebot-extended added to robots.txt
- Sep 2026 claudebot added to robots.txt
- Sep 2026 perplexitybot added to robots.txt
- Sep 2026 gptbot added to robots.txt
- Sep 2026 llms-full.txt appeared
- Sep 2026 oai-searchbot added to robots.txt
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| hanoi vn | #7 | 1,500 |
| n-gon | #82 | 53 |
| pho que huong | #67 | 17 |
| gian | #90 | 14 |
| viet hoa | #78 | 11 |
| pho kim | #81 | 11 |
| dong phuong | #78 | 9 |
| nam phuong | #82 | 8 |
| em quyen cafe | #79 | 8 |
| em quyen cafe | #57 | 8 |
| bnh | #66 | 5 |
| nam viet restaurant | #84 | 5 |
| nghe c truyn | #6 | 5 |
| phim viet nam | #38 | 5 |
| kt qu bu c tng thng m mi nht | #8 | 5 |
| shark thy | #5 | 4 |
| nm thn bo lt | #3 | 4 |
| pho vi van | #94 | 4 |
| bich nga | #81 | 3 |
| bu c tng thng m | #62 | 3 |
| bu c tng thng m | #24 | 3 |
| bn ch que tre | #7 | 3 |
| thanh nien | #32 | 3 |
| trc xut m | #4 | 3 |
| san vuon cafe | #85 | 3 |
The site's top keywords in Google (US), with the visits each one is estimated to bring per month.
Top backlinks
Top links pointing at the site, one per source domain, strongest first. The anchor text opens the page carrying the link.
AI Crawlers
No AI crawlers blocked
Standards: llms.txt, llms-full.txt
Audience
- 56% phone
- 44% desktop
Vietnam
United States
Germany
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
5.20 / 10 · ranked #229,274 of all domains
132 referring domains · OpenPageRank
Search traffic
2,000 est. monthly organic visits (US)
2,592 keywords in Google's top 30
Core Web Vitals
| LCP | 1.7 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Vietnamese
- Weight: 10.6 MB · 113 requests
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Báo và Phát thanh Truyền hình Hà Nội (Hanoi Radio – Television Station on Wikidata)
- Founded: 1954
- Country: Vietnam
- Profiles: Facebook, YouTube, TikTok
From the homepage's own structured data (Sep 2026) and Wikidata (CC0).
Infrastructure
- Hosted on VTDC-AS-VN Vietel - CHT Compamy Ltd (171.244.130.58)
- DNS: dotvndns.vn
- Email: maychuemail.com
- Email security: no SPF record, no DMARC record
- SSL: Sectigo, RSA 2048, wildcard, expires Mar 2027
- Common Crawl link graph: rank 735,846, 3 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| amp.hanoionline.vn | 21 |
| diemthi.hanoionline.vn | 9 |
| hanoionline.vn | 9 |
| tracuudiemthi.hanoionline.vn | 7 |