What powers grotekerk-alkmaar.nl?
Last seen Jun 2026 · 15 technologies across 12 categories
Analytics
Google Analytics
since Jan 2019
Microsoft Clarity
since Sep 2025
CDN
Cloudflare
since May 2026
jsDelivr
since Nov 2021
CMS
Umbraco
since Sep 2025
Ecommerce
Cart Functionality
since Aug 2020
JavaScript frameworks
Vue.js
since Nov 2021
JavaScript libraries
Swiper
since Sep 2025
Miscellaneous
PWA
since Aug 2022
Performance
Priority Hints
since Oct 2025
Security
Cloudflare Bot Management
since May 2026
HSTS
since Sep 2022
Tag managers
Google Tag Manager
since Nov 2021
Web frameworks
Microsoft ASP.NET
since Sep 2025
Webmail
Microsoft 365
since Aug 2022
Audience
- 68% phone
- 32% desktop
Netherlands
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
4.69 / 10 · ranked #363,407 of all domains
90 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.5 s |
| INP | 125 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Dutch (Netherlands)
- Weight: 5.3 MB · 50 requests
- Structured data: JSON-LD
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- dropped IIS Jun 2026
- dropped Windows Server Jun 2026
- detected Cloudflare May 2026
- detected Cloudflare Bot Management May 2026
- dropped Hotjar Nov 2025
- dropped jQuery Oct 2025
- dropped Moment.js Oct 2025
- detected Priority Hints Oct 2025
- dropped Slick Oct 2025
- dropped ZURB Foundation Oct 2025
- detected Hotjar Sep 2025
- detected IIS Sep 2025
- detected Microsoft ASP.NET Sep 2025
- detected Microsoft Clarity Sep 2025
- detected Swiper Sep 2025
- detected Umbraco Sep 2025
- detected Windows Server Sep 2025