What powers 
halvemarathongroningen.nl?
Last seen Oct 2026 · 26 technologies across 15 categories
Caching
Redis Object Cache
since Aug 2025
CDN
Google Cloud CDN
since Nov 2025
jsDelivr
since Dec 2024
CMS
Databases
Font scripts
Font Awesome
since Dec 2024
Twitter Emoji (Twemoji)
since Feb 2026
Hosting
WordPress Multisite
since Dec 2024
IaaS
Google Cloud
since Nov 2025
JavaScript libraries
Miscellaneous
Performance
Priority Hints
since Dec 2024
Programming languages
PHP
since Dec 2024
Security
HSTS
since Dec 2024
Web servers
Nginx
since Jan 2025
Webmail
Microsoft 365
since Dec 2024
WordPress plugins
Smash Balloon Instagram Feed
since Dec 2024
AI Crawlers
robots.txt could not be read at the last check (Nov 2026), so its policy is unknown.
- robots.txt not checked
- llms.txt not found
- ai.txt not found
AI Crawlers
Policy unknown
Audience
- 78% phone
- 22% desktop
Netherlands
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.08 / 10 · ranked #519,652 of all domains
62 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.8 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English (United States)
- CDN: Google
- Weight: 0.6 MB · 43 requests
- WordPress theme: golazo-theme (child: golazo-theme-dwarsdoorgroningen) · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on Google Cloud (34.128.161.244)
- DNS: combell.eu
- Email: Microsoft 365
- Email security: no SPF record, no DMARC record, DNSSEC signed
- SSL: Google Trust Services, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 7,660,916, 3 hosts
DNS records as swept Nov 2026, certificate as seen Nov 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| halvemarathongroningen.nl | 25 |
| e.halvemarathongroningen.nl | 2 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped Google Analytics Mar 2026
- dropped Google Tag Manager Mar 2026
- dropped Microsoft Advertising Mar 2026
- dropped Swiper Feb 2026
- detected Twitter Emoji (Twemoji) Feb 2026
- dropped YouTube Feb 2026