What powers 
grooteindhoven.nl?
Last seen Sep 2026 · 27 technologies across 13 categories
Advertising
33Across
since Jun 2026
Amazon Advertising
since Dec 2024
AppNexus
since Dec 2024
Criteo
since Dec 2024
Google AdSense
since Nov 2024
Google Publisher Tag
since Dec 2024
OpenX
since Jun 2026
PubMatic
since Jan 2025
Rubicon Project
since Jun 2026
Tapad
since Jun 2026
Analytics
Google Analytics
since Oct 2020
CDN
Cloudflare
since Jun 2026
Google Hosted Libraries
since Oct 2023
Issue trackers
Sentry
since Jul 2025
JavaScript libraries
Miscellaneous
Open Graph
since Oct 2023
PWA
since Oct 2023
Operating systems
Windows Server
since Jan 2019
Performance
Priority Hints
since Nov 2022
Security
Cloudflare Bot Management
since Jun 2026
reCAPTCHA
since Nov 2024
Tag managers
Google Tag Manager
since Oct 2020
Web server extensions
Web servers
Webmail
Microsoft 365
since Aug 2022
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 76% phone
- 24% desktop
Netherlands
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.73 / 10 · ranked #749,838 of all domains
39 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.1 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Dutch
- Weight: 7.1 MB · 110 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on TNF-AS (213.34.138.219)
- DNS: TransIP
- Email: Microsoft 365
- Email security: no SPF record, no DMARC record, DNSSEC signed
- SSL: Let's Encrypt, RSA 3072, expires Nov 2026
- Common Crawl link graph: rank 670,118, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
Report an incorrect detection
Recent changes
- detected 33Across Jun 2026
- detected Cloudflare Jun 2026
- detected Cloudflare Bot Management Jun 2026
- detected core-js Jun 2026
- detected ID5 Jun 2026
- detected OpenX Jun 2026
- detected Rubicon Project Jun 2026
- detected Tapad Jun 2026
- dropped ShareThis May 2026
- detected Priority Hints Mar 2026
- detected Amazon Advertising Feb 2026
- detected AppNexus Feb 2026
- detected Criteo Feb 2026
- detected Google AdSense Feb 2026
- detected Google Publisher Tag Feb 2026
- detected PubMatic Feb 2026
- detected reCAPTCHA Feb 2026
- detected Sentry Feb 2026
- dropped Amazon Advertising Dec 2025
- dropped AppNexus Dec 2025
- dropped core-js Dec 2025
- dropped Criteo Dec 2025
- dropped Google AdSense Dec 2025
- dropped Google Publisher Tag Dec 2025
- dropped PubMatic Dec 2025
- dropped Sentry Dec 2025