What powers profnails.nl?
Last seen Sep 2026 · 26 technologies across 12 categories
Analytics
Authentication
CDN
Ecommerce
JavaScript frameworks
JavaScript libraries
Miscellaneous
Programming languages
Security
Tag managers
UI frameworks
Widgets
AI Crawlers
Blocks 2 of 33 AI crawlers we track by name in its robots.txt, restricts 3 more. Checked Oct 2026.
Training crawlers
- ImagesiftBot Blocked
- GPTBot Restricted
Search and AI assistants
- PetalBot Blocked
- OAI-SearchBot Restricted
User-request fetchers
- ChatGPT-User Restricted
The other 28 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
Content Signals:
search=yes ai-train=no ai-input=yes declared in robots.txt
- Oct 2026 ccbot removed from robots.txt
- Oct 2026 chatgpt-user added to robots.txt
- Oct 2026 bytespider removed from robots.txt
- Oct 2026 oai-searchbot added to robots.txt
- Oct 2026 amazonbot removed from robots.txt
- Oct 2026 applebot-extended removed from robots.txt
AI Crawlers
2 of 33 AI crawlers blocked
Standards: Content Signals
Audience
- 100% phone
Netherlands
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.43 / 10 · ranked #7,151,838 of all domains
2 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.9 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 1600 ms |
Real user p75, Chrome UX Report, Sep 2026.
Infrastructure
- Hosted on Cloudflare (104.26.10.171)
- Email: no MX record returned
- Email security: SPF (hard fail), DMARC reject
- SSL: Google Trust Services, ECDSA P256, expires Dec 2026
- Common Crawl link graph: rank 30,385,909
DNS records as swept Sep 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
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Recent changes
- detected jQuery Migrate Aug 2026