What powers 
siz.cc?
Last seen Aug 2026 · 7 technologies across 4 categories
JavaScript frameworks
JavaScript libraries
Miscellaneous
Web servers
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
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
Austria
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
5.17 / 10 · ranked #231,790 of all domains
182 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.5 s |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: German
- Weight: 1.7 MB · 34 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on KAPPERNET (94.136.22.99)
- DNS: ns-serve.net
- Email: echonet.at
- Email security: no SPF record, no DMARC record
- SSL: Let's Encrypt, RSA 4096, expires Nov 2026
- Common Crawl link graph: rank 8,482,294, 2 hosts
- Verified with: Google
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted