What powers osr.nl?
Last seen Aug 2026 · 29 technologies across 19 categories
Advertising
Analytics
CDN
CMS
Cookie compliance
Databases
Font scripts
JavaScript libraries
Miscellaneous
Programming languages
Retargeting
Security
SEO
Tag managers
UI frameworks
Web servers
Webmail
Widgets
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Sep 2026.
- robots.txt found
- llms.txt found
- llms-full.txt found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Standards: llms.txt, llms-full.txt
Audience
- 66% desktop
- 34% phone
Netherlands
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.94 / 10 · ranked #619,220 of all domains
41 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.5 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Dutch (Netherlands)
- CDN: Cloudflare
- Weight: 1.7 MB · 95 requests
- WordPress theme: osr · all themes
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Cloudflare (104.21.23.61, IPv6)
- Email: no MX record returned, SPF names Mailgun
- Email security: SPF (hard fail), DMARC monitor only
- SSL: Google Trust Services, ECDSA P256, wildcard, expires Nov 2026
- Common Crawl link graph: rank 3,540,384, 3 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.osr.nl | 23 |
| osr.nl | 19 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped Priority Hints Aug 2026
- dropped WP Rocket Aug 2026
- detected Cloudflare Bot Management Jul 2026
- detected Hotjar Jul 2026
- detected Cloudflare Browser Insights Nov 2025