What powers 
opensensemap.org?
Last seen Sep 2026 · 41 technologies across 17 categories
A/B Testing
Advertising
Analytics
CDN
Comment systems
Cookie compliance
Ecommerce
JavaScript frameworks
JavaScript graphics
JavaScript libraries
Maps
Miscellaneous
PaaS
Security
Tag managers
UI frameworks
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
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| sense box | #14 | 0 |
The site's top keywords in Google (US), with the visits each one is estimated to bring per month.
Top backlinks
Top links pointing at the site, one per source domain, strongest first. The anchor text opens the page carrying the link.
AI Crawlers
No AI crawlers blocked
Audience
- 61% phone
- 39% desktop
Germany
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
5.32 / 10 · ranked #186,966 of all domains
168 referring domains · OpenPageRank
Search traffic
0 est. monthly organic visits (US)
1 keywords in Google's top 30
Core Web Vitals
| LCP | 2.1 s |
| INP | 200 ms |
| CLS | 0.05 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Weight: 3.2 MB · 25 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Registered Jan 2014 (12 years) via Key-Systems GmbH, renews Jan 2028
- Hosted on DFN Verein zur Foerderung eines Deutschen Forschungsnetzes e.V. (128.176.196.25)
- DNS: Amazon Route 53
- Email: Mailgun
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 1,900,973, 12 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026, registration from the registry's RDAP service. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| data.opensensemap.org | 31 |
| sensor-wiki.opensensemap.org | 31 |
| opensensemap.org | 15 |