What powers systemfan.vn?
Last seen Oct 2026 · 23 technologies across 13 categories
Analytics
Authentication
CDN
Ecommerce
Font scripts
JavaScript libraries
Miscellaneous
Security
Tag managers
UI frameworks
Video players
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 Oct 2026.
- robots.txt found
- llms.txt found
- llms-full.txt found
- ai.txt not found
- Sep 2026 llms.txt appeared
- Sep 2026 llms-full.txt appeared
AI Crawlers
No AI crawlers blocked
Standards: llms.txt, llms-full.txt
Audience
- 62% desktop
- 38% phone
Vietnam
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.35 / 10 · ranked #2,779,396 of all domains
15 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.6 s |
| INP | 75 ms |
| CLS | 0.1 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Vietnamese
- Weight: 3.5 MB · 195 requests
- Structured data: JSON-LD, OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on FPT-AS-AP FPT Telecom Company (210.245.8.139)
- DNS: tenten.vn
- Email: Google Workspace
- Email security: SPF (soft fail), DMARC reject
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 3,590,081
- Verified with: Google
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted