What powers stichtingsurplus.nl?
Last seen Jul 2026 · 21 technologies across 14 categories
CDN
Cookie compliance
Klaro
since Mar 2022
Font scripts
Google Font API
since Jan 2021
JavaScript Frameworks
Essential JS 2
since Nov 2019
JavaScript libraries
Preact
since Nov 2021
Miscellaneous
Operating Systems
Windows Server
since Apr 2019
Programming languages
Python
since Jan 2021
Security
HSTS
since Jan 2023
UI frameworks
Web Application Frameworks
Microsoft ASP.NET
since Apr 2019
Web frameworks
Django
since Jan 2021
Web Servers
Webmail
Google Workspace
since Aug 2022
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 100% desktop
Netherlands
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.36 / 10 · ranked #2,756,024 of all domains
7 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 1200 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Dutch
- Weight: 5.2 MB · 35 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Surplus
- Country: Netherlands
From Wikidata (CC0).
Infrastructure
- Hosted on Amazon Web Services (3.125.11.62)
- DNS: openprovider.nl
- Email: no MX record returned, SPF names Google Workspace
- Email security: SPF (hard fail), DNSSEC signed
- SSL: Let's Encrypt, RSA 4096, expires Dec 2026
- Common Crawl link graph: rank 19,472,823, 3 hosts
- Verified with: Google, Microsoft 365
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| stichtingsurplus.nl | 17 |
| www.stichtingsurplus.nl | 5 |