What powers sijthoffmedia.nl?
Last seen Dec 2025 · 31 technologies across 17 categories
Analytics
CDN
Cloudflare
since Aug 2025
CMS
WordPress
since Jun 2021
Cookie compliance
Databases
MySQL
since Jun 2021
JavaScript libraries
OWL Carousel
since Oct 2023
Miscellaneous
Open Graph
since Sep 2022
RSS
since Dec 2022
Performance
Priority Hints
since Jun 2024
Programming languages
Security
Cloudflare Bot Management
since Aug 2025
reCAPTCHA
since Nov 2023
Tag managers
Google Tag Manager
since Jul 2021
UI frameworks
Video players
VideoJS
since Dec 2022
Web servers
Nginx
since Dec 2022
Webmail
Apple iCloud Mail
since Jan 2023
Microsoft 365
since Aug 2022
Widgets
Wisepops
since Nov 2021
WordPress plugins
Contact Form 7
since Aug 2022
WP Rocket
since Jun 2021
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
- 60% phone
- 40% desktop
Netherlands
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
5.28 / 10 · ranked #215,139 of all domains
83 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.8 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 2000 ms |
Real user p75, Chrome UX Report, Aug 2026.
Subdomains
| Host | Techs |
|---|---|
| www.sijthoffmedia.nl | 27 |
| specials.sijthoffmedia.nl | 8 |