What powers 
slaa.nl?
Last seen Oct 2026 · 10 technologies across 7 categories
Analytics
Google Analytics
since Jun 2020
Caching
Maps
Miscellaneous
Open Graph
since Sep 2022
PWA
since Mar 2026
Programming languages
Web servers
Apache HTTP Server
since Jun 2020
Webmail
Microsoft 365
since Aug 2022
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Nov 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 64% desktop
- 36% phone
Netherlands
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.58 / 10 · ranked #390,212 of all domains
79 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1 s |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Dutch
- Weight: 0.9 MB · 29 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Gandi (217.70.186.101, IPv6)
- DNS: oxilion.nl
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC monitor only, DNSSEC signed, MTA-STS
- SSL: Gandi, ECDSA P256, expires Mar 2027
- Common Crawl link graph: rank 463,924, 3 hosts
- Verified with: Brevo, Google, Microsoft 365
DNS records as swept Nov 2026, certificate as seen Nov 2026. How the web is hosted
Full technology history →
Report an incorrect detection
Recent changes
- dropped Flickity Apr 2026
- dropped HTTP/3 Apr 2026
- dropped jQuery Apr 2026
- dropped jQuery Migrate Apr 2026
- dropped LazySizes Apr 2026
- dropped LiteSpeed Apr 2026
- dropped MySQL Apr 2026
- dropped Plesk Apr 2026
- dropped Really Simple SSL & Security Apr 2026
- dropped Turbolinks Apr 2026
- dropped Twitter Emoji (Twemoji) Apr 2026
- dropped Typekit Apr 2026
- dropped WordPress Apr 2026
- dropped Yoast SEO Apr 2026
- detected Apache HTTP Server Mar 2026
- detected Leaflet Mar 2026
- detected Mapbox GL JS Mar 2026
- detected Mapbox.js Mar 2026
- detected PWA Mar 2026
- detected Varnish Mar 2026
- detected Twitter Emoji (Twemoji) Dec 2025