What powers viewus.co.kr?
Last seen Aug 2026 · 36 technologies across 17 categories
Advertising
Analytics
Caching
CDN
CMS
Cookie compliance
Databases
JavaScript libraries
Marketing automation
Miscellaneous
PaaS
Performance
Programming languages
Security
SEO
Tag managers
Web servers
AI Crawlers
Restricts 16 of 33 AI crawlers we track by name in its robots.txt. Checked Sep 2026.
Training crawlers
- Applebot-Extended Restricted
- Bytespider Restricted
- CCBot Restricted
- ClaudeBot Restricted
- Diffbot Restricted
- Google-Extended Restricted
- GPTBot Restricted
- ImagesiftBot Restricted
- meta-externalagent Restricted
- Webzio-Extended Restricted
Search and AI assistants
- Amazonbot Restricted
- OAI-SearchBot Restricted
- PerplexityBot Restricted
User-request fetchers
- ChatGPT-User Restricted
- meta-externalfetcher Restricted
- Perplexity-User Restricted
The other 17 AI crawlers we track are not mentioned and stay allowed by default.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Sep 2026 oai-searchbot added to robots.txt
- Sep 2026 chatgpt-user added to robots.txt
- Sep 2026 claudebot added to robots.txt
- Sep 2026 diffbot added to robots.txt
- Sep 2026 ccbot added to robots.txt
- Sep 2026 amazonbot added to robots.txt
AI Crawlers
16 of 33 AI crawlers restricted
Audience
- 87% phone
- 13% desktop
South Korea
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.59 / 10 · ranked #2,334,845 of all domains
17 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.7 s |
| INP | 100 ms |
| CLS | 0.15 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Sep 2026.
Infrastructure
- Hosted on Amazon Web Services (13.33.67.41)
- DNS: Amazon Route 53
- Email: no MX record returned
- SSL: Amazon Trust Services, RSA 2048, wildcard, expires Nov 2026
- Common Crawl link graph: rank 9,164,501, 8 hosts
- Verified with: Google
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| feed.viewus.co.kr | 30 |
| travelnews.viewus.co.kr | 18 |
| fastview.viewus.co.kr | 9 |
| ad-script.viewus.co.kr | 1 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped Google Font API Mar 2026
- detected MGID Feb 2026
- dropped 33Across Dec 2025
- dropped PubMatic Dec 2025
- detected Google Font API Nov 2025