What powers zum-renner.at?
Last seen Aug 2026 · 16 technologies across 13 categories
Caching
WP Rocket
since Jun 2026
CMS
Databases
MySQL
since Apr 2019
Font scripts
Google Font API
since Apr 2019
Hosting
World4You
since Aug 2022
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
RSS
since Dec 2022
Page builders
Bricks
since Jun 2026
Performance
Priority Hints
since Dec 2023
Programming languages
PHP
since Apr 2019
Web servers
Apache HTTP Server
since Apr 2019
Webmail
Microsoft 365
since Jun 2023
WordPress plugins
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 checked
- ai.txt not checked
AI Crawlers
No AI crawlers blocked
Audience
- 85% phone
- 15% desktop
Austria
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.10 / 10 · ranked #3,339,473 of all domains
18 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.4 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Aug 2026.
Infrastructure
- Hosted on IONOS (81.19.159.75)
- DNS: world4you.at
- Email: Microsoft 365
- Email security: SPF (hard fail), no DMARC record
- SSL: Let's Encrypt, RSA 4096, wildcard, expires Nov 2026
- Common Crawl link graph: rank 3,336,709
- Verified with: Microsoft 365
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped Animate.css Aug 2026
- dropped core-js Jul 2026
- dropped Elementor Jul 2026
- dropped Hello Elementor Jul 2026
- dropped jQuery Jul 2026
- dropped jQuery Migrate Jul 2026
- dropped jQuery UI Jul 2026
- dropped Twitter Emoji (Twemoji) Jul 2026
- detected Animate.css Jun 2026
- detected Bricks Jun 2026
- detected Google Font API Jun 2026
- detected Preact Jun 2026
- detected Site Kit Jun 2026
- detected Swiper Jun 2026
- detected WP Rocket Jun 2026
- detected Twitter Emoji (Twemoji) Jan 2026
- dropped Google Font API Nov 2025