What powers curling.nl?
Last seen Jul 2026 · 40 technologies across 21 categories
Advertising
Microsoft Advertising
since Oct 2024
Analytics
Google Analytics
since Feb 2020
Caching
Litespeed Cache
since Jan 2025
CMS
Cookie compliance
Databases
MySQL
since Jun 2023
Google Workspace
since May 2024
Mailgun
since Nov 2022
Font scripts
Font Awesome
since Jun 2023
Google Font API
since Jun 2021
Twitter Emoji (Twemoji)
since Jan 2026
Typekit
since Jun 2021
JavaScript graphics
Chart.js
since Jun 2023
JavaScript libraries
Miscellaneous
HTTP/3
since Dec 2024
Open Graph
since Nov 2022
PWA
since Nov 2022
RSS
since Jun 2023
Webpack
since Jun 2021
Performance
Priority Hints
since Jan 2024
Programming languages
Security
HSTS
since Nov 2022
SEO
SEOmatic
since Jul 2022
Tag managers
Google Tag Manager
since Jun 2023
UI frameworks
Animate.css
since Jun 2023
Web frameworks
Yii
since Jul 2022
Web servers
WordPress plugins
WordPress themes
AI Crawlers
Restricts 10 of 33 AI crawlers we track by name in its robots.txt. Checked Sep 2026.
Training crawlers
- Bytespider Restricted
- CCBot Restricted
- ClaudeBot Restricted
- FacebookBot Restricted
- GPTBot Restricted
- meta-externalagent Restricted
Search and AI assistants
- Amazonbot Restricted
- Applebot Restricted
- PetalBot Restricted
User-request fetchers
- ChatGPT-User Restricted
The other 23 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
10 of 33 AI crawlers restricted
Open Page Rank
2.76 / 10 · ranked #2,077,180 of all domains
16 referring domains · OpenPageRank
Infrastructure
- DNS: srvnl.nl
- Email: Google Workspace
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, ECDSA P256, expires Dec 2026
- Common Crawl link graph: rank 1,447,855, 2 hosts
- Verified with: Brevo, Google, Meta Business
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.curling.nl | 32 |
| curling.nl | 29 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped OpenResty May 2026
- detected OpenResty Mar 2026
- detected Twitter Emoji (Twemoji) Jan 2026