What powers 
factuurvoldaan.nl?
Last seen Sep 2026 · 23 technologies across 15 categories
A/B Testing
Google Optimize
since Feb 2021
Analytics
Google Analytics
since Jan 2019
CMS
WordPress
since Jan 2019
Databases
MySQL
since Jan 2019
Microsoft 365
since Aug 2022
Sendgrid
since Aug 2022
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
PWA
since Aug 2022
Performance
LazySizes
since Apr 2024
Priority Hints
since Nov 2023
Programming languages
PHP
since Jan 2019
Security
SEO
Tag managers
Google Tag Manager
since Jan 2019
UI frameworks
Web servers
Nginx
since Jan 2019
WordPress plugins
EWWW Image Optimizer
since Apr 2024
AI Crawlers
Blocks all crawlers by default in robots.txt (User-agent: *). Checked Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Oct 2026 *: Blocked (was Restricted)
- Sep 2026 *: Restricted (was Blocked)
- Sep 2026 *: Blocked (was Restricted)
- Aug 2026 *: Restricted (was Blocked)
- Aug 2026 *: Blocked (was Restricted)
AI Crawlers
All crawlers blocked
Audience
- 54% phone
- 46% desktop
Netherlands
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.70 / 10 · ranked #764,588 of all domains
40 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.8 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Dutch (Netherlands)
- Weight: 2.2 MB · 47 requests
- WordPress theme: factuurvoldaan · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on INTERCONNECT Interconnect Services B.V. (213.207.89.116)
- DNS: 2is.nl
- Email: Microsoft 365
- Email security: no SPF record, no DMARC record, DNSSEC signed
- SSL: Sectigo, RSA 4096, expires Oct 2026
- Common Crawl link graph: rank 13,894,056, 4 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| factuurvoldaan.nl | 20 |
| www.factuurvoldaan.nl | 17 |
| portaal.factuurvoldaan.nl | 10 |