What powers realschule-am-oberen-schloss.de?
Last seen Sep 2026 · 12 technologies across 8 categories
CMS
Databases
MySQL
since Jan 2019
Font scripts
Font Awesome
since Feb 2024
Google Font API
since Jan 2019
JavaScript libraries
Slick
since Jan 2025
Miscellaneous
RSS
since May 2023
Page builders
WordPress Block Editor
since Jul 2024
Programming languages
PHP
since Jan 2019
WordPress plugins
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Sep 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 100% phone
Germany
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.75 / 10 · ranked #4,634,053 of all domains
7 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: German
- Weight: 3.8 MB · 41 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Deutsche Telekom (80.150.6.143, IPv6)
- DNS: t-online.de
- Email: no MX record returned
- SSL: Let's Encrypt, ECDSA P256, expires Nov 2026
- Common Crawl link graph: rank 8,480,693
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 Priority Hints Feb 2026
- detected Priority Hints Dec 2025