What powers 
secra.de?
Last seen Sep 2026 · 18 technologies across 15 categories
Advertising
Microsoft Advertising
since Oct 2024
Analytics
Google Analytics
since Aug 2025
Appointment scheduling
Calendly
since Feb 2025
CDN
Cloudflare
since Jan 2022
CMS
Contao
since Jan 2022
Cookie compliance
Font scripts
Font Awesome
since May 2023
Issue trackers
JavaScript frameworks
React
since May 2023
JavaScript libraries
Miscellaneous
Programming languages
PHP
since Jan 2022
Security
HSTS
since May 2023
Tag managers
Google Tag Manager
since Aug 2025
Webmail
Apple iCloud Mail
since Oct 2025
AI Crawlers
Blocks all crawlers by default in robots.txt (User-agent: *). Checked Oct 2026.
- robots.txt found
- llms.txt found
- ai.txt not found
- Oct 2026 *: Blocked (was Restricted)
- Sep 2026 *: Restricted (was Blocked)
- Sep 2026 *: Blocked (was Restricted)
- Sep 2026 *: Restricted (was Blocked)
- Aug 2026 *: Blocked (was Restricted)
- Aug 2026 *: Restricted (was Blocked)
AI Crawlers
All crawlers blocked
Standards: llms.txt
Audience
- 95% phone
- 3% tablet
- 2% desktop
Germany
Netherlands
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.69 / 10 · ranked #323,654 of all domains
57 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: German
- CDN: Cloudflare
- Weight: 3.4 MB · 48 requests
- Structured data: JSON-LD
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Cloudflare (104.26.14.12, IPv6)
- DNS: Cloudflare DNS
- Email: Barracuda
- Email security: SPF (hard fail), DMARC monitor only
- SSL: Google Trust Services, ECDSA P256, wildcard, expires Jan 2027
- Common Crawl link graph: rank 13,142,970, 3 hosts
- Verified with: 1Password, Apple Business, Atlassian, DocuSign, KnowBe4, Microsoft 365, OpenAI
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.secra.de | 14 |
| guest-app.secra.de | 8 |
Full technology history →
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