What powers 
ptsc.com.vn?
Last seen Sep 2026 · 43 technologies across 18 categories
Analytics
Authentication
CDN
CMS
Databases
Font scripts
JavaScript frameworks
JavaScript libraries
Miscellaneous
Operating systems
Performance
Programming languages
Tag managers
UI frameworks
Video players
Web frameworks
Web servers
WordPress plugins
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
- Aug 2026 *: Restricted (was Allowed)
AI Crawlers
No AI crawlers blocked
Audience
- 76% desktop
- 24% phone
Vietnam
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.60 / 10 · ranked #815,227 of all domains
50 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.5 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Vietnamese
- Weight: 4.6 MB · 68 requests
- WordPress theme: yootheme (child: jupitermedia-theme-dev) · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- PTSC Offshore Services (PetroVietnam Technical Services Coporation on Wikidata)
- Sector: petroleum industry
From the homepage's own structured data (Sep 2026) and Wikidata (CC0).
Infrastructure
- Hosted on ZINGPLAY-VN ZINGPLAY VIETNAM COMPANY LIMITED (103.245.255.184)
- DNS: dotvndns.vn
- Email: ptsc.com.vn
- Email security: SPF (hard fail), DMARC monitor only
- SSL: Sectigo, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 11,126,656, 13 hosts
- Verified with: Cisco, GlobalSign, Google, Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| mc.ptsc.com.vn | 19 |
| pos.ptsc.com.vn | 13 |
| www.ptsc.com.vn | 12 |
| dhcd.ptsc.com.vn | 9 |
Full technology history →
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Recent changes
- dropped Microsoft 365 Sep 2026
- dropped DreamWeaver Aug 2026
- dropped HTTP/3 Aug 2026
- dropped Lightbox Aug 2026
- dropped LiteSpeed Aug 2026
- dropped prettyPhoto Aug 2026
- dropped SWFObject Aug 2026
- detected cdnjs May 2026
- detected Cloudflare May 2026
- detected jsDelivr Apr 2026
- dropped cdnjs Mar 2026
- dropped Cloudflare Mar 2026
- dropped Plesk Feb 2026