What powers tcvelden.nl?

Last seen Jul 2026 · 20 technologies across 14 categories

Analytics

CDN

Cloudflare
since Apr 2026

CMS

WordPress v5.2.21
since Aug 2022

Databases

MySQL
since Aug 2022

Font scripts

Google Font API
since Aug 2022

JavaScript graphics

particles.js
since Aug 2022

JavaScript libraries

Isotope
since Aug 2022
jQuery v1.12.4
since Aug 2022
jQuery Migrate v1.4.1
since Aug 2022
Modernizr v2.6.2
since Aug 2022

Miscellaneous

HTTP/3
since Apr 2026
RSS
since Jul 2023

Page builders

wpBakery
since Aug 2022

Programming languages

PHP
since Aug 2022

Security

reCAPTCHA
since Jul 2023

Video players

Flowplayer v7.2.7
since Aug 2022
MediaElement.js v4.2.6
since Aug 2022

Widgets

Slider Revolution v5.4.6.4
since Aug 2022

WordPress plugins

Contact Form 7 v5.1.4
since Aug 2022

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 Oct 2026.

  • robots.txt found
  • llms.txt not found
  • ai.txt not found
  • Sep 2026 bytespider removed from robots.txt
  • Sep 2026 amazonbot removed from robots.txt
  • Sep 2026 applebot-extended removed from robots.txt
  • Sep 2026 meta-externalagent removed from robots.txt
  • Sep 2026 ccbot removed from robots.txt
  • Sep 2026 claudebot removed from robots.txt

See who blocks each AI crawler across the web

AI Crawlers

No AI crawlers blocked

Full breakdown

Open Page Rank

0.45 / 10 · ranked #29,598,438 of all domains

0 referring domains · OpenPageRank

Infrastructure

  • Hosted on Cloudflare (104.21.45.83, IPv6)
  • DNS: Cloudflare DNS
  • Email: tcvelden.nl
  • Email security: SPF (soft fail), DMARC monitor only
  • SSL: Let's Encrypt, ECDSA P256, wildcard, expires Nov 2026
  • Common Crawl link graph: rank 74,894,581, 2 hosts

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

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