What powers rcs.ir?
Last seen Dec 2020 · 14 technologies across 8 categories
Font scripts
Font Awesome
since Apr 2020
JavaScript Graphics
JavaScript Libraries
Flickity
since Apr 2020
SweetAlert
since Apr 2020
Programming Languages
UI frameworks
Web Frameworks
Animate.css
since Jan 2016
Yii
since Apr 2020
Web Servers
Apache HTTP Server
since Apr 2020
Widgets
OWL Carousel
since Jan 2016
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Nov 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 98% phone
- 2% desktop
Iran
Germany
United States
India
Brazil
United Kingdom
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.09 / 10 · ranked #511,463 of all domains
77 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.7 s |
| INP | 175 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Oct 2026.
Organisation
- Red Crescent Society of the Islamic Republic of Iran
- Founded: 1923
- Sector: emergency and relief
- Country: Iran
From Wikidata (CC0).
Infrastructure
- Hosted on ARVANCLOUD-CDN-IR Noyan Abr Arvan Co. ( Private Joint Stock) (185.143.233.133)
- DNS: arvancdn.ir
- Email: rcs.ir
- Email security: SPF (hard fail), DMARC reject
- SSL: Certum, RSA 4096, wildcard, expires Apr 2027
- Common Crawl link graph: rank 723,390, 67 hosts
- Verified with: Google
DNS records as swept Nov 2026, certificate as seen Nov 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| ert.rcs.ir | 8 |
| esfahan.rcs.ir | 8 |
| golestan.rcs.ir | 8 |
| volunteers.rcs.ir | 8 |
| www.rcs.ir | 8 |
| members.rcs.ir | 7 |
| rcs.ir | 3 |