What powers 
yfc.nl?
Last seen Sep 2026 · 46 technologies across 24 categories
Analytics
Google Analytics
since Jan 2019
Caching
Redis Object Cache
since Dec 2025
CDN
Cloudflare
since Sep 2019
jsDelivr
since Aug 2022
CMS
Cookie compliance
Axeptio
since Sep 2026
Cookie Script
since Aug 2022
Customer data platform
Rudderstack
since May 2024
Databases
Ecommerce
Kajabi
since Aug 2022
Mailgun
since Aug 2022
Font scripts
Google Font API
since Jan 2019
Hosting
WordPress Multisite
since Jul 2023
Issue trackers
JavaScript libraries
Miscellaneous
Programming languages
Security
Tag managers
Google Tag Manager
since Mar 2020
UI frameworks
Bootstrap
since Mar 2020
Video players
Web frameworks
Ruby on Rails
since Aug 2022
Web servers
Nginx
since Jan 2019
Webmail
Apple iCloud Mail
since Jan 2023
Microsoft 365
since Aug 2022
Widgets
Facebook
since Jan 2019
WordPress plugins
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Oct 2026 * removed from robots.txt
AI Crawlers
No AI crawlers blocked
Audience
- 59% phone
- 41% desktop
Netherlands
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.56 / 10 · ranked #392,934 of all domains
58 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.7 s |
| INP | 75 ms |
| CLS | 0.05 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Dutch
- Weight: 4.6 MB · 92 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Leaseweb (185.123.60.148)
- DNS: easyprovider.eu
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC monitor only, DNSSEC signed, CAA
- SSL: Let's Encrypt, ECDSA P256, wildcard, expires Nov 2026
- Common Crawl link graph: rank 12,102,881, 46 hosts
- Verified with: Apple Business, Brevo, Google, MailerLite
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| werkenbij.yfc.nl | 27 |
| yfc.nl | 26 |
| training.yfc.nl | 23 |
| goeree-overflakkee.yfc.nl | 20 |
| plof-fb.yfc.nl | 9 |
| jebentnietinjeeendje.yfc.nl | 8 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Apache HTTP Server Sep 2026
- detected Axeptio Sep 2026
- detected Redis Dec 2025
- detected Redis Object Cache Dec 2025