What powers that18650calc.dk?
Last seen Oct 2026 · 5 technologies across 5 categories
Caching
Varnish
since Aug 2023
CDN
Fastly
since Aug 2023
Miscellaneous
PWA
since Mar 2026
PaaS
GitHub Pages
since Aug 2023
UI frameworks
Pure CSS
since Aug 2023
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
Open Page Rank
0.82 / 10 · ranked #15,963,978 of all domains
1 referring domains · OpenPageRank
Page
- CDN: Fastly
- Weight: 0.1 MB · 6 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Fastly (185.199.108.153)
- DNS: simply.com
- Email: no MX record returned
- Email security: DNSSEC signed
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 2,212,449, 2 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
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Recent changes
- detected PWA Mar 2026