What powers 
erv-online.de?
Last seen Sep 2026 · 21 technologies across 14 categories
Advertising
Microsoft Advertising
since Sep 2026
Analytics
Google Analytics
since Sep 2026
Appointment scheduling
Calendly
since Sep 2026
Cookie compliance
Usercentrics
since Sep 2026
JavaScript graphics
particles.js
since Aug 2022
JavaScript libraries
Miscellaneous
Popper
since Aug 2022
Operating systems
Ubuntu
since Apr 2025
Security
reCAPTCHA
since Sep 2026
Tag managers
Google Tag Manager
since Sep 2026
UI frameworks
Bootstrap
since Aug 2022
Video players
jPlayer
since Nov 2022
Twitch Player
since Sep 2026
Web servers
Webmail
Microsoft 365
since Apr 2024
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Oct 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
- Oct 2026 robots.txt removed
AI Crawlers
No robots.txt, all AI crawlers allowed
Open Page Rank
3.95 / 10 · ranked #605,952 of all domains
27 referring domains · OpenPageRank
Page
- Language: German
- Weight: 5.8 MB · 70 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Hetzner (46.224.89.3, IPv6)
- DNS: abedns.de
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC monitor only
- SSL: GoDaddy, RSA 4096, wildcard, expires Oct 2026
- Common Crawl link graph: rank 12,531,378, 5 hosts
- Verified with: Brevo, Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| webconcept.erv-online.de | 20 |
| www.erv-online.de | 13 |