What powers optochtenkalender.nl?
Last seen Jun 2026 · 13 technologies across 10 categories
Advertising
Google AdSense
since Aug 2018
Twitter Ads
since Jul 2021
Analytics
Google Analytics
since Aug 2018
CDN
Cloudflare
since Aug 2018
Cookie compliance
Funding Choices
since Dec 2023
Hosting panels
Plesk
since Aug 2018
JavaScript libraries
Security
Cloudflare Bot Management
since Mar 2025
reCAPTCHA
since Apr 2022
Tag managers
Google Tag Manager
since Sep 2021
Web servers
Widgets
Twitter
since Aug 2018
Audience
- 70% desktop
- 30% phone
Belgium
Netherlands
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.18 / 10 · ranked #1,302,016 of all domains
31 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.2 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 800 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Dutch
- Weight: 1.5 MB · 123 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- detected OpenResty Jun 2026
- detected Cloudflare Bot Management May 2026
- dropped Google Font API Apr 2026
- dropped OpenResty Apr 2026
- dropped Microsoft ASP.NET Feb 2026
- detected OpenResty Feb 2026
- dropped Snowplow Analytics Feb 2026
- dropped OpenResty Jan 2026
- detected Microsoft ASP.NET Dec 2025
- detected Snowplow Analytics Dec 2025
- dropped Cloudflare Bot Management Nov 2025
- detected Google Font API Nov 2025
- detected OpenResty Nov 2025