What powers nvoncongres.nl?

Last seen Aug 2026 · 36 technologies across 17 categories

Analytics

Google Analytics vUA
since Jun 2025

Authentication

Facebook Login
since Jun 2025
Linkedin Sign-in
since Jun 2025

Caching

Redis Object Cache
since Jul 2026

CDN

Cloudflare
since Jun 2025

CMS

WordPress v7.0.3
since Jun 2025

Databases

MySQL
since Jun 2025
Redis
since Jul 2026

Font scripts

Google Font API
since Oct 2025
Twitter Emoji (Twemoji)
since Jul 2026

JavaScript libraries

core-js v2.5.7
since Jun 2025
jQuery v3.7.1
since Jun 2025
jQuery Migrate v3.4.1
since Jun 2025
jQuery UI v1.13.3
since Jun 2025
Modernizr v2.6.2
since Jun 2025

Marketing automation

MailChimp
since Oct 2025

Miscellaneous

RSS
since Jun 2025

Page builders

WordPress Block Editor
since Jun 2025

Performance

Priority Hints
since Jul 2026

Programming languages

Java
since Jun 2025
PHP v8.3.25
since Jun 2025

Security

Web servers

Apache HTTP Server v2
since Jun 2025

WordPress plugins

Contact Form 7 v6.1.6
since Jun 2025
Embed Optimizer v1.0.0
since Jul 2026
Enhanced Responsive Images v1.7.0
since Jul 2026
Image Placeholders v1.2.1
since Jul 2026
Image Prioritizer v1.0.0
since Jul 2026
Optimization Detective v1.0.0
since Jul 2026
Performance Lab v4.2.0
since Jul 2026
Speculative Loading v1.6.0
since Jul 2026
UltimatelySocial
since Jun 2025
WP-Optimize
since Jun 2025

WordPress themes

ColorMag v4.2.1
since Jun 2025
ThemeGrill ColorMag
since Jun 2025

AI Crawlers

Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Aug 2026.

  • robots.txt found
  • llms.txt not found
  • ai.txt not found

See who blocks each AI crawler across the web

AI Crawlers

No AI crawlers blocked

Full breakdown

Open Page Rank

1.55 / 10 · ranked #6,092,799 of all domains

4 referring domains · OpenPageRank

Infrastructure

  • Hosted on AS-ZXCS (185.104.29.88)
  • DNS: kabelhost.nl
  • Email: nvoncongres.nl
  • Email security: SPF (soft fail), no DMARC record
  • SSL: Let's Encrypt, RSA 4096, wildcard, expires Oct 2026
  • Common Crawl link graph: rank 28,490,574, 2 hosts
  • Verified with: Google

DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted

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