What powers ctgroupvietnam.com?
Last seen Oct 2026 · 62 technologies across 20 categories
Analytics
CDN
CMS
Databases
Font scripts
JavaScript frameworks
JavaScript graphics
JavaScript libraries
Miscellaneous
Operating systems
Performance
Programming languages
Security
UI frameworks
Video players
Web frameworks
Web servers
Webmail
WordPress plugins
WordPress themes
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 not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 69% desktop
- 31% phone
Vietnam
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.20 / 10 · ranked #1,261,251 of all domains
41 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.4 s |
| INP | 25 ms |
| CLS | 0.1 |
| TTFB | 1000 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English (United States)
- CDN: Cloudflare
- Weight: 45.4 MB · 232 requests
- WordPress theme: hello-elementor · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- My Blog
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on Cloudflare (104.21.55.186, IPv6)
- DNS: Cloudflare DNS
- Email: Microsoft 365
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, ECDSA P256, expires Jan 2027
- Common Crawl link graph: rank 12,467,629, 12 hosts
- Verified with: Google, Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| ctgroupvietnam.com | 32 |
| tuyendung.ctgroupvietnam.com | 32 |
| www.ctgroupvietnam.com | 21 |
| 30nam.ctgroupvietnam.com | 10 |
| apply.ctgroupvietnam.com | 10 |
| portal.ctgroupvietnam.com | 10 |
| erp.ctgroupvietnam.com | 8 |
| el.ctgroupvietnam.com | 4 |
Full technology history →
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Recent changes
- detected HSTS Oct 2026
- detected HTTP/3 Oct 2026
- detected Twitter Emoji (Twemoji) Oct 2026