What powers 
flex.lu?
Last seen Sep 2026 · 39 technologies across 24 categories
Advertising
Microsoft Advertising
since Oct 2024
Reddit Ads
since Dec 2025
Analytics
Google Analytics
since Mar 2020
CDN
jQuery CDN
since Feb 2022
CMS
Cookie compliance
Databases
MySQL
since Mar 2020
Ecommerce
Amazon SES
since Aug 2022
Font scripts
Typekit
since Feb 2021
JavaScript frameworks
JavaScript libraries
Miscellaneous
Operating systems
CentOS
since Nov 2021
PaaS
Amazon Web Services
since Aug 2022
Performance
Priority Hints
since Oct 2023
Programming languages
PHP
since Mar 2020
TypeScript
since Nov 2021
Tag managers
Google Tag Manager
since Mar 2020
UI frameworks
Tailwind CSS
since Aug 2025
Video players
YouTube
since Aug 2020
Web frameworks
Yii
since Aug 2025
Web server extensions
Web servers
Nginx
since Mar 2020
Widgets
Facebook
since Mar 2020
WordPress plugins
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 78% phone
- 22% desktop
Luxembourg
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.07 / 10 · ranked #522,067 of all domains
56 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.7 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: French
- Weight: 11.0 MB · 32 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Hetzner (128.140.13.81)
- Email: Trend Micro Email Security
- Email security: no SPF record, no DMARC record
- SSL: Let's Encrypt, ECDSA P256, expires Jan 2027
- Common Crawl link graph: rank 53,131, 3 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| my.flex.lu | 29 |
| www.flex.lu | 17 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Reddit Ads Dec 2025