What powers pernu.nl?
Last seen Sep 2026 · 26 technologies across 18 categories
Advertising
Analytics
Caching
CDN
CMS
Cookie compliance
Databases
Font scripts
JavaScript frameworks
JavaScript libraries
Miscellaneous
Performance
Programming languages
RUM
Security
Tag managers
Web servers
WordPress plugins
AI Crawlers
Blocks 4 of 33 AI crawlers we track by name in its robots.txt. Checked Sep 2026.
Training crawlers
- Bytespider Blocked
- CCBot Blocked
- GPTBot Blocked
- meta-externalagent Blocked
The other 29 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
4 of 33 AI crawlers blocked
Audience
- 63% phone
- 38% desktop
Netherlands
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.88 / 10 · ranked #1,816,920 of all domains
16 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.9 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 1600 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Dutch (Netherlands)
- Weight: 1.6 MB · 67 requests
- WordPress theme: radicle · all themes
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- De Indruk
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on Combell (188.208.37.47, IPv6)
- DNS: TransIP
- Email: otys.nl
- Email security: SPF (soft fail), no DMARC record, DNSSEC signed
- SSL: Let's Encrypt, RSA 4096, expires Dec 2026
- Common Crawl link graph: rank 3,157,139, 3 hosts
- Verified with: Google, Meta Business, Microsoft 365
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
- dropped Bunny Sep 2026
- dropped Bunny Fonts Sep 2026
- detected Really Simple SSL & Security Sep 2026
- detected Priority Hints Aug 2026
- detected reCAPTCHA Aug 2026
- dropped Redis Dec 2025
- dropped Redis Object Cache Dec 2025