What powers fio.de?
Last seen Jun 2026 · 26 technologies across 13 categories
CMS
Databases
MySQL
since Jun 2018
Hosting
IONOS
since Aug 2022
JavaScript libraries
Miscellaneous
Operating systems
Ubuntu
since Sep 2019
Performance
Priority Hints
since Oct 2024
Programming languages
PHP
since Jun 2018
Security
HSTS
since Sep 2023
SEO
UI frameworks
Bootstrap
since Apr 2018
Web servers
WordPress plugins
Borlabs Cookie
since Jul 2021
Contact Form 7
since Feb 2022
Smash Balloon Instagram Feed
since Oct 2024
The Events Calendar
since Jun 2022
WP Rocket
since Oct 2024
Top backlinks
Top links pointing at the site, one per source domain, strongest first. The anchor text opens the page carrying the link.
Audience
- 84% phone
- 14% desktop
- 2% tablet
Germany
France
Italy
Spain
Netherlands
Türkiye
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
5.14 / 10 · ranked #233,971 of all domains
95 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.1 s |
| INP | 775 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: German
- Weight: 5.5 MB · 20 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.fio.de | 17 |
| fio.de | 15 |
| kundencenter.fio.de | 3 |
Full technology history →
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Recent changes
- dropped core-js Oct 2025
- dropped Google AdSense Oct 2025
- dropped GSAP Oct 2025
- dropped Sendinblue Oct 2025
- dropped Vue.js Oct 2025