What powers mainframe.io?
Last seen Sep 2026 · 16 technologies across 8 categories
Caching
CDN
JavaScript libraries
Miscellaneous
PaaS
Programming languages
UI frameworks
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
AI Crawlers
No AI crawlers blocked
Audience
Germany
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.35 / 10 · ranked #1,069,463 of all domains
63 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.5 s |
| CLS | 0 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: German
- CDN: Fastly
- Weight: 0.8 MB · 17 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Mainframe
- Country: Germany
From the homepage's own structured data (Sep 2026) and Wikidata (CC0).
Infrastructure
- Hosted on netcup (202.61.243.235)
- DNS: kreativitaet-trifft-technik.de
- Email: kreativitaet-trifft-technik.de
- Email security: SPF (hard fail), DMARC monitor only
- Common Crawl link graph: rank 2,996,024, 9 hosts
DNS records as swept Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| md.mainframe.io | 12 |
| www.mainframe.io | 7 |
Full technology history →
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Recent changes
- dropped jQuery Jan 2026