What powers rewis.io?
Last seen Dec 2025 · 12 technologies across 8 categories
Caching
CDN
JavaScript libraries
Miscellaneous
Programming languages
Security
UI frameworks
Web frameworks
AI Crawlers
Blocks 3 of 33 AI crawlers we track by name in its robots.txt, restricts 1 more. Checked Sep 2026.
Training crawlers
- ClaudeBot Blocked
- GoogleOther Blocked
- GPTBot Restricted
User-request fetchers
- ChatGPT-User Blocked
The other 29 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
3 of 33 AI crawlers blocked
Audience
- 70% phone
- 25% desktop
- 5% tablet
Germany
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
7.42 / 10 · ranked #22,210 of all domains
319 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Aug 2026.
Infrastructure
- Hosted on Cloudflare (104.21.6.69, IPv6)
- DNS: Cloudflare DNS
- Email: IONOS
- Email security: no SPF record, no DMARC record
- SSL: Google Trust Services, ECDSA P256, wildcard, expires Dec 2026
- Common Crawl link graph: rank 429,220
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted