What powers 
qls.nl?
Last seen Sep 2026 · 45 technologies across 23 categories
Advertising
Analytics
CDN
CMS
Cookie compliance
Databases
Font scripts
JavaScript frameworks
JavaScript libraries
Marketing automation
Miscellaneous
PaaS
Page builders
Programming languages
Reviews
Security
Tag managers
UI frameworks
Video players
Web servers
Webmail
WordPress plugins
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 Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Sep 2026 *: Restricted (was Allowed)
- Sep 2026 *: Allowed (was Restricted)
- Sep 2026 *: Restricted (was Allowed)
AI Crawlers
No AI crawlers blocked
Audience
- 96% desktop
- 4% phone
Netherlands
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.21 / 10 · ranked #451,065 of all domains
46 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Dutch (Netherlands)
- CDN: Cloudflare
- Weight: 4.6 MB · 158 requests
- WordPress theme: raadhuis · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on Cloudflare (162.159.134.42)
- DNS: TransIP
- Email: no MX record returned
- Email security: DMARC monitor only, DNSSEC signed
- SSL: Sectigo, RSA 2048, wildcard, expires Jan 2027
- Common Crawl link graph: rank 6,722,310, 4 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| qls.nl | 39 |
| auth.qls.nl | 10 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped Linkedin Insight Tag Aug 2026
- dropped TikTok Pixel Aug 2026
- dropped YouTube Aug 2026
- detected Amazon S3 Jul 2026
- detected Amazon Web Services Jul 2026
- dropped Microsoft Clarity Jul 2026
- detected Apple iCloud Mail Jun 2026
- detected Tailwind CSS Jan 2026