What powers lernidee.de?
Last seen Aug 2026 · 21 technologies across 16 categories
Advertising
Microsoft Advertising
since Oct 2024
Analytics
Google Analytics
since Aug 2018
CDN
Cloudflare
since May 2022
Cookie compliance
Mailgun
since Nov 2025
Font scripts
Typekit
since Feb 2021
JavaScript libraries
Marketing automation
HubSpot
since Jan 2024
Miscellaneous
Programming languages
PHP
since Sep 2021
Reviews
Trustpilot
since Jan 2026
Security
Cloudflare Bot Management
since Jan 2024
HSTS
since Oct 2025
Tag managers
Google Tag Manager
since Aug 2018
UI frameworks
Web servers
Apache HTTP Server
since Aug 2018
Webmail
Microsoft 365
since Jun 2026
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 found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 87% phone
- 7% desktop
- 6% tablet
Germany
Austria
Switzerland
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.69 / 10 · ranked #347,839 of all domains
96 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.7 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 800 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: German
- Weight: 3.7 MB · 97 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on CLARANET-AS ClaraNET LTD (212.82.234.146)
- DNS: clara.net
- Email: no MX record returned, SPF names Microsoft 365
- Email security: SPF (hard fail), DMARC quarantine
- SSL: Sectigo, RSA 2048, wildcard, expires Nov 2026
- Common Crawl link graph: rank 2,833,283, 4 hosts
- Verified with: Microsoft 365
DNS records as swept Aug 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
Report an incorrect detection
Recent changes
- detected Microsoft 365 Jun 2026
- detected Bootstrap Jan 2026
- detected Trustpilot Jan 2026
- detected Mailgun Nov 2025
- detected HSTS Oct 2025