What powers dwchem.co.kr?
Last seen Oct 2026 · 17 technologies across 9 categories
CDN
Amazon CloudFront
since May 2023
Amazon S3
since May 2023
Font scripts
Font Awesome
since Aug 2022
JavaScript frameworks
React
since May 2023
JavaScript libraries
Miscellaneous
PWA
since May 2023
PaaS
Amazon Web Services
since May 2023
Azure
since Aug 2022
Programming languages
Java
since Mar 2021
Web frameworks
Microsoft ASP.NET
since Oct 2023
Web servers
Apache Tomcat
since Mar 2021
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Oct 2026 robots.txt appeared
- Oct 2026 * added to robots.txt
AI Crawlers
No AI crawlers blocked
Audience
- 76% phone
- 24% desktop
South Korea
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.90 / 10 · ranked #1,771,017 of all domains
28 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.3 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 100 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Korean
- Weight: 8.2 MB · 57 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Microsoft (52.231.195.181)
- DNS: Azure DNS
- Email: dwchem.co.kr
- Email security: SPF (hard fail), no DMARC record
- SSL: Amazon Trust Services, RSA 2048, wildcard, expires Feb 2027
- Common Crawl link graph: rank 7,155,311, 5 hosts
- Verified with: GlobalSign, Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.dwchem.co.kr | 8 |
| ndips.dwchem.co.kr | 7 |
| visit.dwchem.co.kr | 6 |
| recruit.dwchem.co.kr | 4 |
| welcome.dwchem.co.kr | 4 |