What powers 
de.vanguard?
Last seen Sep 2026 · 20 technologies across 12 categories
Advertising
Analytics
CMS
Cookie compliance
Customer data platform
JavaScript frameworks
JavaScript libraries
Miscellaneous
Programming languages
Search engines
Security
Tag managers
AI Crawlers
Blocks 3 of 33 AI crawlers we track by name in its robots.txt. Checked Nov 2026.
Training crawlers
- ClaudeBot Blocked
- Google-Extended Blocked
- GPTBot Blocked
Search and AI assistants
- Claude-SearchBot Allowed
- OAI-SearchBot Allowed
- PerplexityBot Allowed
User-request fetchers
- ChatGPT-User Allowed
- Claude-User Allowed
The other 25 AI crawlers we track are not mentioned and stay allowed by default.
- robots.txt found
- llms.txt found
- ai.txt not found
- Sep 2026 chatgpt-user: Allowed (was Blocked)
- Sep 2026 claude-user added to robots.txt
AI Crawlers
3 of 33 AI crawlers blocked
Standards: llms.txt
Audience
- 57% phone
- 43% desktop
Germany
Austria
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.66 / 10 · ranked #377,798 of all domains
97 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.9 s |
| INP | 200 ms |
| CLS | 0.1 |
| TTFB | 2000 ms |
Real user p75, Chrome UX Report, Oct 2026.
Infrastructure
- Registered May 2017 (9 years) via CSC Corporate Domains, Inc., renews May 2027
- Hosted on Akamai (23.192.36.36)
- DNS: Akamai Edge DNS
- Email: Proofpoint Essentials
- Email security: SPF (soft fail), DMARC reject
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 9,975,558, 4 hosts
DNS records as swept Nov 2026, certificate as seen Nov 2026, registration from the registry's RDAP service. How the web is hosted
Full technology history →
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Recent changes
- dropped Tailwind CSS Jul 2026
- detected Google Analytics Apr 2026
- detected lit-element Apr 2026
- detected lit-html Apr 2026
- detected Tailwind CSS Apr 2026
- detected Algolia Feb 2026