What powers sluisonline.nl?
Last seen Oct 2026 · 12 technologies across 9 categories
Analytics
Google Analytics
since Jan 2019
Font scripts
Google Font API
since Jan 2019
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
PWA
since Aug 2022
Rich text editors
Security
HSTS
since Sep 2022
Tag managers
Google Tag Manager
since Jul 2024
UI frameworks
Bootstrap
since Feb 2021
Webmail
Microsoft 365
since Aug 2022
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Oct 2026.
- robots.txt not found
- llms.txt not checked
- ai.txt not checked
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 78% phone
- 17% desktop
- 5% tablet
Belgium
Netherlands
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.06 / 10 · ranked #1,489,133 of all domains
17 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.4 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Dutch
- Weight: 6.9 MB · 51 requests
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on LEVEL27-AS (185.3.216.14, IPv6)
- DNS: level27.eu
- Email: Microsoft 365
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 3,530,586, 2 hosts
- Verified with: Google, Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.sluisonline.nl | 12 |
| sluisonline.nl | 3 |