What powers elib.vn?
Last seen Aug 2026 · 17 technologies across 13 categories
Analytics
Authentication
Facebook Login
since Jun 2021
CDN
cdnjs
since Oct 2021
Cloudflare
since May 2022
Google Workspace
since Aug 2022
Font scripts
Google Font API
since Jan 2016
JavaScript graphics
JavaScript libraries
Marketing automation
MailChimp
since Aug 2022
Miscellaneous
Open Graph
since Sep 2022
Operating systems
Ubuntu
since Apr 2024
Programming languages
PHP
since Jun 2018
UI frameworks
Web servers
AI Crawlers
robots.txt could not be read at the last check (Sep 2026), so its policy is unknown.
- robots.txt not checked
- llms.txt not checked
- ai.txt not checked
AI Crawlers
Policy unknown
Audience
- 65% desktop
- 35% phone
Vietnam
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.67 / 10 · ranked #5,177,957 of all domains
9 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.4 s |
| INP | 75 ms |
| CLS | 0.05 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Aug 2026.
Infrastructure
- Hosted on VNPT-AS-VN Vietnam Posts and Telecommunications VNPT (222.255.121.244)
- Email: no MX record returned
- Common Crawl link graph: rank 25,653,164, 8 hosts
DNS records as swept Aug 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.elib.vn | 15 |
| m.elib.vn | 14 |
| tailieuso.elib.vn | 8 |
| tainguyenso.elib.vn | 8 |
| amp.elib.vn | 4 |