What powers leidscongresbureau.nl?
Last seen Jun 2026 · 21 technologies across 14 categories
Analytics
Cloudflare Browser Insights
since Jun 2025
Google Analytics
since Apr 2019
CDN
Cloudflare
since Apr 2019
CMS
WordPress
since Apr 2019
Databases
MySQL
since Apr 2019
Font scripts
Font Awesome
since Apr 2019
Google Font API
since Apr 2019
JavaScript Libraries
Slick
since Apr 2019
Miscellaneous
HTTP/3
since Jun 2024
Open Graph
since Sep 2022
Performance
Cloudflare Rocket Loader
since Nov 2025
Programming languages
PHP
since Apr 2019
Security
reCAPTCHA
since Feb 2023
SEO
Yoast SEO
since Apr 2019
Tag managers
Google Tag Manager
since Apr 2019
Webmail
Microsoft 365
since Aug 2022
WordPress plugins
WP Rocket
since Apr 2019
Audience
- 59% desktop
- 41% phone
Netherlands
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.37 / 10 · ranked #1,044,016 of all domains
27 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| INP | 50 ms |
| CLS | 0.05 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Dutch
- CDN: Cloudflare
- Weight: 1.9 MB · 43 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| leidscongresbureau.nl | 15 |
| www.leidscongresbureau.nl | 11 |
Full technology history →
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Recent changes
- dropped ActiveCampaign Mar 2026
- dropped Cloudflare Bot Management Mar 2026
- dropped Complianz Mar 2026
- dropped core-js Mar 2026
- dropped Hotjar Mar 2026
- dropped Linkedin Insight Tag Mar 2026
- dropped ThimPress LearnPress Mar 2026
- dropped WooCommerce Mar 2026
- dropped Yoast SEO Premium Mar 2026
- dropped Matomo Analytics Jan 2026
- detected Cloudflare Rocket Loader Nov 2025
- dropped Amazon ALB Aug 2025
- dropped Amazon Web Services Aug 2025