What powers opter.cloud?
Last seen Sep 2026 · 7 technologies across 7 categories
JavaScript frameworks
JavaScript libraries
PaaS
Azure
since Mar 2023
Security
HSTS
since Mar 2023
UI frameworks
Web frameworks
Microsoft ASP.NET
since Sep 2026
Web servers
Kestrel
since Sep 2026
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Oct 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 82% desktop
- 18% phone
Denmark
Estonia
Norway
Sweden
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.21 / 10 · ranked #1,244,551 of all domains
14 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Weight: 0.5 MB · 11 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- DNS: Azure DNS
- Email: no MX record returned
- SSL: Let's Encrypt, RSA 2048, wildcard, expires Dec 2026
- Common Crawl link graph: rank 14,696,144, 131 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| a3transportno.opter.cloud | 7 |
| brinkdk.opter.cloud | 7 |
| ktno.opter.cloud | 7 |
| westerlundsse.opter.cloud | 7 |
| addologistikkno.opter.cloud | 5 |
| cargobusee.opter.cloud | 5 |
| ensetfi.opter.cloud | 5 |
| fraktlogistikse.opter.cloud | 5 |
| hogsbotra.opter.cloud | 5 |
| hurtigguttano.opter.cloud | 5 |
| itideno.opter.cloud | 5 |
| kaubaekspress.opter.cloud | 5 |
| mobelfraktno.opter.cloud | 5 |
| ryskapostense.opter.cloud | 5 |
Full technology history →
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Recent changes
- detected Kestrel Sep 2026
- detected Microsoft ASP.NET Sep 2026