What powers rihu.ac.ir?
Last seen Jul 2023 · 16 technologies across 10 categories
Analytics
Font Scripts
JavaScript Frameworks
Operating Systems
Ubuntu
since May 2020
Windows Server
since Jun 2018
Security
HSTS
since Jul 2023
Tag managers
Google Tag Manager
since Nov 2020
UI frameworks
Animate.css
since May 2020
Web Frameworks
Web Servers
Widgets
OWL Carousel
since Jun 2016
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Sep 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 90% phone
- 10% desktop
Iran
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.06 / 10 · ranked #529,645 of all domains
88 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.6 s |
| INP | 100 ms |
| CLS | 0.05 |
| TTFB | 1300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Infrastructure
- Hosted on ARVANCLOUD-CDN- (185.143.233.130)
- DNS: arvancdn.ir
- Email: rihu.ac.ir
- Email security: SPF (soft fail), DMARC reject
- SSL: Let's Encrypt, ECDSA P256, wildcard, expires Oct 2026
- Common Crawl link graph: rank 583,904, 37 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| rihu.ac.ir | 11 |
| www.rihu.ac.ir | 8 |
| vc.rihu.ac.ir | 2 |