What powers utrechtschaak.nl?
Last seen Aug 2026 · 12 technologies across 10 categories
Advertising
Twitter Ads
since Dec 2021
CDN
Cloudflare
since Mar 2025
Unpkg
since Feb 2023
Comment systems
Maps
Operating systems
Windows Server
since Jan 2019
Security
Cloudflare Bot Management
since Mar 2025
HSTS
since Nov 2024
Video players
YouTube
since Jan 2019
Web frameworks
Microsoft ASP.NET
since Jan 2019
Web servers
Widgets
Twitter
since Dec 2021
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Sep 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
Netherlands
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.71 / 10 · ranked #4,918,713 of all domains
6 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.8 s |
| INP | 125 ms |
| CLS | 0 |
| TTFB | 100 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- Weight: 2.9 MB · 88 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on A2B (185.41.126.39)
- DNS: mijnhostingpartner.nl
- Email: no MX record returned
- Email security: DNSSEC signed
- SSL: Let's Encrypt, RSA 3072, expires Nov 2026
- Common Crawl link graph: rank 3,630,498, 2 hosts
DNS records as swept Aug 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.utrechtschaak.nl | 12 |
| utrechtschaak.nl | 10 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Cloudflare May 2026
- detected Cloudflare Bot Management May 2026
- dropped Cloudflare Nov 2025
- dropped Cloudflare Bot Management Nov 2025
- dropped Cart Functionality Oct 2025