What powers welconsystems.com?
Last seen Sep 2026 · 16 technologies across 9 categories
CDN
CMS
Databases
Font scripts
JavaScript libraries
Performance
Programming languages
Web servers
Webmail
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Sep 2026.
- robots.txt found
- llms.txt not checked
- ai.txt not checked
AI Crawlers
No AI crawlers blocked
Audience
- 100% desktop
South Korea
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
0.95 / 10 · ranked #13,625,656 of all domains
6 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.5 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 100 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Korean
- Weight: 1.2 MB · 45 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Korea Telecom (14.128.175.82)
- DNS: Cafe24
- Email: Google Workspace
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Sectigo, RSA 2048, expires Apr 2027
- Common Crawl link graph: rank 19,296,156, 3 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| welconsystems.com | 16 |
| ww.welconsystems.com | 15 |
| www.welconsystems.com | 12 |
Full technology history →
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Recent changes
- detected Priority Hints Sep 2026
- detected cdnjs May 2026
- detected Cloudflare May 2026
- detected Google Workspace May 2026