What powers soederblom.de?
Last seen Aug 2026 · 14 technologies across 11 categories
CMS
TYPO3 CMS
since Oct 2020
Hosting
Mittwald
since Aug 2022
Issue trackers
Sentry
since Oct 2025
JavaScript frameworks
React
since Oct 2025
JavaScript libraries
Miscellaneous
Popper
since Apr 2022
Photo galleries
PhotoSwipe
since Sep 2022
Programming languages
PHP
since Oct 2020
UI frameworks
Bootstrap
since Jan 2019
Web servers
Apache HTTP Server
since Jan 2019
Webmail
Apple iCloud Mail
since Jan 2023
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
1.96 / 10 · ranked #3,692,212 of all domains
11 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.2 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 800 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: German
- Weight: 0.3 MB · 15 requests
- Structured data: Microdata, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Söderblom-Gymnasium
- Founded: 1953
- Country: Germany
From Wikidata (CC0).
Infrastructure
- Hosted on MITTWALD-AS Mittwald CM Service GmbH und Co. KG (185.15.193.9)
- Email: no MX record returned
- Email security: SPF (soft fail)
- SSL: Let's Encrypt, RSA 2048, expires Oct 2026
- Common Crawl link graph: rank 31,543,886, 3 hosts
- Verified with: Apple Business, Google, Microsoft 365
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| portal.soederblom.de | 8 |
| www.soederblom.de | 8 |