What powers 
sciencecourseware.org?
Last seen Oct 2026 · 5 technologies across 4 categories
Operating Systems
Windows Server
since Dec 2016
Programming Languages
Web Server Extensions
Web servers
Apache HTTP Server
since Dec 2016
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Nov 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 98% desktop
- 2% phone
United States
Canada
Denmark
Indonesia
Spain
Australia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.49 / 10 · ranked #905,006 of all domains
57 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.5 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- Weight: 0.1 MB · 12 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on HOSTWINDS - Hostwinds LLC. (142.11.216.69)
- DNS: hostwindsdns.com
- Email: sciencecourseware.org
- Email security: SPF (soft fail), no DMARC record
- SSL: Let's Encrypt, RSA 2048, wildcard, expires Oct 2026
- Common Crawl link graph: rank 533,262, 3 hosts
DNS records as swept Nov 2026, certificate as seen Nov 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| nemo.sciencecourseware.org | 5 |
| sciencecourseware.org | 1 |
| www.sciencecourseware.org | 1 |