What powers matematiksider.dk?
Last seen Jul 2026 · 3 technologies across 3 categories
Caching
Varnish
since Apr 2019
Hosting
One.com
since Aug 2022
Web servers
Apache HTTP Server
since Apr 2019
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
Denmark
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.67 / 10 · ranked #2,213,244 of all domains
24 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.5 s |
| CLS | 0 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Weight: 0.1 MB · 12 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on one.com (46.30.213.158, IPv6)
- DNS: one.com
- Email: one.com
- Email security: no SPF record, no DMARC record, DNSSEC signed
- SSL: Let's Encrypt, ECDSA P256, wildcard, expires Dec 2026
- Common Crawl link graph: rank 810,245, 2 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted