What powers 
portas.de?
Last seen Sep 2026 · 24 technologies across 17 categories
Advertising
Microsoft Advertising
since Dec 2024
Analytics
Google Analytics
since Jan 2019
CMS
WordPress
since Mar 2023
Cookie compliance
Usercentrics
since Jul 2021
Databases
MySQL
since Mar 2023
Font scripts
JavaScript graphics
Chart.js
since Mar 2023
JavaScript libraries
Isotope
since Mar 2023
jQuery Migrate
since Apr 2020
Miscellaneous
Open Graph
since Mar 2023
PWA
since Aug 2022
Operating systems
Windows Server
since Jan 2019
Programming languages
PHP
since Mar 2023
Security
HSTS
since Mar 2023
Video players
Web frameworks
Web servers
Webmail
Microsoft 365
since Aug 2022
Widgets
FlexSlider
since Apr 2020
Wheelio
since Sep 2021
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 Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 85% phone
- 10% tablet
- 6% desktop
Germany
Austria
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.75 / 10 · ranked #738,872 of all domains
50 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.7 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: German (Germany)
- Weight: 9.0 MB · 89 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Portas (Renovierung)
- Founded: 1974
- Country: Germany
From Wikidata (CC0).
Infrastructure
- Hosted on QUALITYHOSTING-AS D-63571 Gelnhausen (81.20.84.231)
- DNS: cloudshift.io
- Email: Microsoft 365
- Email security: SPF (soft fail), DMARC monitor only, BIMI
- SSL: DigiCert, RSA 2048, wildcard, expires Jan 2027
- Common Crawl link graph: rank 7,173,935, 72 hosts
- Verified with: Google
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| blog.portas.de | 13 |
| www.portas.de | 12 |
| adelsberger.portas.de | 11 |
| dr-scholz.portas.de | 11 |
| haslwanter.portas.de | 11 |
| seegers.portas.de | 11 |
| taschner.portas.de | 11 |
| appel.portas.de | 10 |
| axmann.portas.de | 10 |
| henkel.portas.de | 10 |
| hoffmann.portas.de | 10 |
| jung.portas.de | 10 |
| mm.portas.de | 10 |
| seitz.portas.de | 10 |
| welzel.portas.de | 10 |
| wengerodt.portas.de | 9 |