What powers sans-online.nl?
Last seen Dec 2025 · 12 technologies across 10 categories
Advertising
Microsoft Advertising
since May 2023
Analytics
Google Analytics
since Jun 2018
VWO
since Aug 2025
JavaScript Frameworks
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
Security
HSTS
since Mar 2023
Tag managers
Google Tag Manager
since Jun 2018
UI frameworks
Web Servers
Apache HTTP Server
since Jun 2016
Webmail
Microsoft 365
since Aug 2022
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 not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Open Page Rank
5.52 / 10 · ranked #156,824 of all domains
149 referring domains · OpenPageRank
Infrastructure
- Hosted on PREVIDER-AS (84.241.175.23)
- Email: no MX record returned, SPF names Microsoft 365
- Email security: SPF (soft fail), DNSSEC signed
- SSL: Sectigo, RSA 2048, expires Oct 2026
- Common Crawl link graph: rank 167,885, 2 hosts
- Verified with: Google, Microsoft 365
DNS records as swept Aug 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped Criteo Nov 2025