What powers arex.or.kr?
Last seen Sep 2026 · 9 technologies across 5 categories
Analytics
Editors
JavaScript libraries
Programming languages
UI frameworks
AI Crawlers
robots.txt could not be read at the last check (Nov 2026), so its policy is unknown.
- robots.txt not checked
- llms.txt not found
- ai.txt not found
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| arex train schedule | #4 | 14 |
| arex train | #5 | 12 |
| arex express train | #5 | 12 |
| arex website | #2 | 11 |
| arex train seoul | #5 | 7 |
| arex express | #6 | 6 |
| arex train incheon to seoul | #5 | 3 |
| airport rail | #60 | 3 |
| arex train ticket | #8 | 2 |
| arex train schedule | #10 | 2 |
| arex tickets | #7 | 2 |
| arex train | #71 | 1 |
| arex train | #45 | 1 |
| arex express train | #61 | 1 |
| rex bus schedule | #67 | 1 |
| seoul train station ktx | #60 | 1 |
| seoul station subway | #68 | 1 |
| seoul ktx station | #56 | 1 |
| south korea railway map | #69 | 1 |
| airport express schedule | #86 | 1 |
| airport express inc | #67 | 1 |
| ktx train station seoul | #61 | 1 |
| ktx train station in seoul | #61 | 1 |
| korail ktx | #79 | 1 |
| a rex | #51 | 1 |
The site's top keywords in Google (US), with the visits each one is estimated to bring per month.
Top backlinks
Top links pointing at the site, one per source domain, strongest first. The anchor text opens the page carrying the link.
AI Crawlers
Policy unknown
Audience
- 100% desktop
South Korea
Japan
Taiwan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
5.57 / 10 · ranked #149,893 of all domains
136 referring domains · OpenPageRank
Search traffic
90 est. monthly organic visits (US)
125 keywords in Google's top 30
Core Web Vitals
| LCP | 0.6 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 100 ms |
Real user p75, Chrome UX Report, Sep 2026.
Organisation
- Airport Railroad Corporation
- Founded: 2001
- Sector: airport rail link
- Country: South Korea
From Wikidata (CC0).
Infrastructure
- Registered Jul 2006 (20 years), renews Jul 2035
- Hosted on IREX-AS-KR Airport Railroad Co ltd (211.170.43.70)
- DNS: arex.or.kr
- Email: arex.or.kr
- Email security: SPF (soft fail), no DMARC record
- SSL: DigiCert, RSA 2048, expires Jan 2027
- Common Crawl link graph: rank 61,991, 7 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026, registration from the registry's RDAP service. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| m.arex.or.kr | 7 |
| www.arex.or.kr | 7 |
| event.arex.or.kr | 4 |
| ebid.arex.or.kr | 3 |
| webmail.arex.or.kr | 2 |