What powers 21bis.be?
Last seen Jun 2026 · 26 technologies across 16 categories
Analytics
Google Analytics
since Jan 2019
Caching
WordPress Super Cache
since Oct 2019
Captchas
reCAPTCHA
since Nov 2019
CMS
Databases
MySQL
since Jan 2019
Font scripts
Google Font API
since Jan 2019
JavaScript frameworks
JavaScript libraries
Marketing automation
MailChimp
since Feb 2021
Miscellaneous
RSS
since Dec 2022
Performance
Priority Hints
since Sep 2023
Programming languages
PHP
since Jan 2019
Security
HSTS
since Dec 2025
Really Simple SSL & Security
since Apr 2024
SEO
Web servers
Apache HTTP Server
since Jan 2019
Nginx
since Jun 2019
WordPress plugins
Smash Balloon Instagram Feed
since Feb 2023
Audience
- 56% desktop
- 44% phone
Belgium
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.42 / 10 · ranked #979,952 of all domains
37 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English (United States)
- Weight: 6.5 MB · 129 requests
- WordPress theme: bis · all themes
- Structured data: Microdata
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| 21bis.be | 21 |
| www.21bis.be | 11 |
Full technology history →
Report an incorrect detection
Recent changes
- detected MailChimp Apr 2026
- detected MailChimp for WordPress Apr 2026
- detected Site Kit Apr 2026
- detected HSTS Dec 2025
- dropped Font Awesome Nov 2025
- dropped core-js Aug 2025
- dropped React Aug 2025
- dropped Swiper Aug 2025