What powers janfrantzen.nl?
Last seen Sep 2026 · 30 technologies across 17 categories
Advertising
Microsoft Advertising
since Jul 2026
Analytics
Google Analytics
since Jan 2019
CMS
Cookie compliance
Databases
MySQL
since Jan 2019
Google Workspace
since Oct 2022
Font scripts
Google Font API
since Jan 2019
JavaScript libraries
Slick
since Mar 2021
Live chat
Crisp Live Chat
since Jul 2021
Marketing automation
MailChimp
since Mar 2021
Miscellaneous
Performance
Priority Hints
since Jan 2026
Programming languages
Security
Really Simple SSL & Security
since Apr 2024
Tag managers
Google Tag Manager
since Jan 2019
Web servers
LiteSpeed
since Nov 2020
WordPress plugins
AI Crawlers
robots.txt could not be read at the last check (Sep 2026), so its policy is unknown.
- robots.txt not checked
- llms.txt not checked
- ai.txt not checked
AI Crawlers
Policy unknown
Audience
- 81% phone
- 19% desktop
Netherlands
Belgium
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.90 / 10 · ranked #1,781,099 of all domains
22 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.1 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 2100 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Dutch (Netherlands)
- Weight: 1.8 MB · 79 requests
- WordPress theme: flatsome (child: flatsome-child) · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on DUOCAST-AS (45.82.188.34)
- Email: Google Workspace
- Email security: SPF (soft fail), DMARC monitor only
- Common Crawl link graph: rank 19,014,032, 2 hosts
- Verified with: Meta Business
DNS records as swept Sep 2026. How the web is hosted
Full technology history →
Report an incorrect detection
Recent changes
- dropped PixelYourSite Aug 2026
- dropped Complianz Jul 2026
- detected Cookiebot Jul 2026
- dropped Google Tag Manager for WordPress Jul 2026
- detected Microsoft Advertising Jul 2026
- dropped Pinterest Conversion Tag May 2026
- detected PixelYourSite Apr 2026
- dropped Plesk Mar 2026
- detected Priority Hints Jan 2026