What powers nmrdb.org?
Last seen Sep 2026 · 9 technologies across 8 categories
Advertising
Twitter Ads
since Jul 2021
Analytics
Umami
since Jun 2023
Authentication
Facebook Login
since Jul 2021
CDN
Cloudflare
since Mar 2025
JavaScript libraries
Security
Cloudflare Bot Management
since Mar 2025
Web servers
Apache HTTP Server
since Jul 2016
Widgets
Twitter
since Jun 2018
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Sep 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 84% desktop
- 16% phone
India
United States
Canada
South Korea
Germany
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.36 / 10 · ranked #1,053,686 of all domains
49 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.5 s |
| INP | 75 ms |
| CLS | 0.05 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Weight: 0.5 MB · 28 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Hetzner (135.181.18.209)
- Email: chemexper.com
- Email security: no SPF record, no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Oct 2026
- Common Crawl link graph: rank 539,135, 2 hosts
DNS records as swept Aug 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.nmrdb.org | 9 |
| nmrdb.org | 7 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Cloudflare May 2026
- detected Cloudflare Bot Management May 2026
- dropped Cloudflare Nov 2025
- dropped Cloudflare Bot Management Nov 2025