What powers zwemschooldeoceaan.nl?

Last seen Aug 2026 · 16 technologies across 11 categories

CMS

WordPress
since Apr 2020

Databases

MySQL
since Apr 2020

Font scripts

Google Font API
since Apr 2020

JavaScript libraries

core-js v3.25.5
since Oct 2021
jQuery
since Apr 2020

Live chat

WhatsApp Business Chat
since Jul 2026

Miscellaneous

HTTP/3
since Dec 2023
Open Graph
since Jul 2026
RSS
since Dec 2022

Payment processors

Mollie
since Jul 2026

Performance

Priority Hints
since Jan 2026

Programming languages

PHP
since Apr 2020

Web servers

LiteSpeed
since Dec 2023

WordPress plugins

Gravity Forms
since Jul 2026
Litespeed Cache
since Dec 2023
RankMath SEO
since Jul 2026

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

Audience

  • Netherlands

Where the site's Chrome visitors come from, largest estimated audience first.

Open Page Rank

0.83 / 10 · ranked #15,897,983 of all domains

1 referring domains · OpenPageRank

Core Web Vitals

LCP1.3 s
INP50 ms
CLS0
TTFB1100 ms

Real user p75, Chrome UX Report, Aug 2026.

Page

  • Language: Dutch (Netherlands)
  • Weight: 0.5 MB · 18 requests
  • WordPress theme: saleswizard-theme · all themes
  • Structured data: JSON-LD, OpenGraph, Twitter Cards

Homepage as crawled by the HTTP Archive, Aug 2026.

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