What powers 
first-reisebuero.de?
Last seen Aug 2026 · 36 technologies across 19 categories
Analytics
Google Analytics
since Aug 2018
CMS
Databases
MySQL
since Aug 2021
Font scripts
Twitter Emoji (Twemoji)
since Feb 2022
JavaScript Frameworks
JavaScript libraries
Live chat
WhatsApp Business Chat
since Mar 2023
Maps
Google Maps
since Aug 2018
Miscellaneous
Open Graph
since Mar 2023
Webpack
since Aug 2021
Mobile frameworks
Operating systems
Ubuntu
since Aug 2021
Page builders
Programming languages
PHP
since Aug 2021
TypeScript
since Nov 2023
Security
UI frameworks
Web servers
Apache HTTP Server
since Aug 2021
Webmail
Microsoft 365
since Aug 2022
Widgets
Wheelio
since Sep 2021
WordPress plugins
RankMath SEO
since Mar 2023
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 94% phone
- 6% desktop
Germany
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.20 / 10 · ranked #453,633 of all domains
54 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.2 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 1500 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Weight: 1.1 MB · 68 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on WEB-CROSSING (193.58.164.112)
- DNS: brandshelter.com
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC monitor only
- SSL: DigiCert, RSA 2048, expires Jan 2027
- Common Crawl link graph: rank 10,933,869, 8 hosts
- Verified with: Atlassian, Google, Microsoft 365, Miro
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| first-reisebuero.de | 21 |
| www.first-reisebuero.de | 21 |
| gruenberg.first-reisebuero.de | 20 |
| booking.first-reisebuero.de | 12 |
| m.first-reisebuero.de | 6 |