What powers oes.vn?
Last seen Sep 2026 · 34 technologies across 18 categories
Analytics
Caching
CDN
CMS
Databases
Font scripts
JavaScript libraries
Live chat
Marketing automation
Miscellaneous
Programming languages
Rich text editors
Security
UI frameworks
Web servers
Webmail
Widgets
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
AI Crawlers
No AI crawlers blocked
Audience
- 67% desktop
- 33% phone
Vietnam
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.28 / 10 · ranked #2,921,598 of all domains
13 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.4 s |
| INP | 125 ms |
| CLS | 0 |
| TTFB | 1200 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English (United States)
- Weight: 22.6 MB · 256 requests
- WordPress theme: oes · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Optimal Elearning Solution
- Profiles: Facebook
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on WEBICO-AS-VN Webico Company Limited (103.130.217.194)
- DNS: inet.vn
- Email: Google Workspace
- Email security: no SPF record, no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 3,644,169, 2 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
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Recent changes
- detected Litespeed Cache Aug 2026
- detected ShareThis Aug 2026
- dropped Priority Hints Jan 2026
- detected Google Font API Dec 2025
- detected TinyMCE Nov 2025