What powers 
iwr-institut.de?
Last seen Sep 2026 · 10 technologies across 8 categories
CDN
cdnjs
since Nov 2021
Cloudflare
since May 2022
CMS
Joomla
since Jul 2019
Cookie compliance
Hosting
IONOS
since Aug 2022
JavaScript frameworks
JavaScript libraries
Programming languages
PHP
since Jul 2019
Web servers
Apache HTTP Server
since Jul 2019
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Oct 2026 robots.txt appeared
- Oct 2026 * added to robots.txt
- Sep 2026 * removed from robots.txt
- Aug 2026 ai.txt removed
- Aug 2026 robots.txt removed
AI Crawlers
No AI crawlers blocked
Audience
Germany
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.47 / 10 · ranked #928,932 of all domains
60 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.2 s |
| CLS | 0 |
| TTFB | 1900 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English (United Kingdom)
- Weight: 0.5 MB · 46 requests
- Structured data: Microdata
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on IONOS (217.160.0.114)
- DNS: IONOS
- Email: IONOS
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Sectigo, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 11,327,079, 2 hosts
- Verified with: Google
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted