What powers 
koorsen.com?
Last seen Sep 2026 · 49 technologies across 23 categories
Advertising
Analytics
Authentication
CDN
CMS
Databases
Font scripts
JavaScript frameworks
JavaScript graphics
JavaScript libraries
Marketing automation
Miscellaneous
PaaS
Performance
Programming languages
Reviews
Security
Tag managers
UI frameworks
Video players
Webmail
Widgets
WordPress plugins
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 Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 53% phone
- 47% desktop
United States
India
Philippines
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.88 / 10 · ranked #667,360 of all domains
104 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.1 s |
| INP | 50 ms |
| CLS | 0.1 |
| TTFB | 1000 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English (United States)
- CDN: Cloudflare
- Weight: 9.1 MB · 210 requests
- WordPress theme: digicop (child: digicop-child) · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on Cloudflare (141.193.213.10)
- DNS: koorsen.com
- Email: Barracuda
- Email security: SPF (hard fail), DMARC reject
- SSL: Let's Encrypt, ECDSA P256, expires Dec 2026
- Common Crawl link graph: rank 2,499,870, 5 hosts
- Verified with: Adobe, Autodesk, Google, Sophos
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.koorsen.com | 40 |
| blog.koorsen.com | 26 |
| info.koorsen.com | 20 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped cdnjs Jul 2026
- dropped JSS Jul 2026
- dropped Nginx May 2026
- detected Microsoft 365 Mar 2026
- detected particles.js Jan 2026
- detected Twitter Emoji (Twemoji) Jan 2026