What powers bookzo.nl?

Last seen Aug 2026 · 20 technologies across 15 categories

Authentication

Auth0
since Sep 2022

CDN

Cloudflare
since Aug 2022

Email

MailChimp
since Aug 2022

Font scripts

Google Font API
since Aug 2022

JavaScript libraries

jQuery v3.3.1
since Aug 2022
jQuery UI v1.13.2
since Jan 2023
LazySizes
since Jul 2025

Miscellaneous

Open Graph
since Jan 2023
Webpack
since Jul 2025

Mobile frameworks

jQuery Mobile v@VERSION
since Dec 2023

PaaS

Azure
since May 2023

Programming languages

PHP v8.4.24
since Aug 2022
Ruby
since Jan 2023

Reverse proxies

Envoy
since Jan 2023

Security

Cloudflare Bot Management
since Aug 2022
HSTS
since Sep 2022

Tag managers

Google Tag Manager
since Dec 2023

Web frameworks

Ruby on Rails
since Jan 2023

Web servers

Nginx
since Dec 2023

Webmail

Microsoft 365
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 Sep 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

  • 54% phone
  • 46% desktop
  • Netherlands

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

Open Page Rank

4.69 / 10 · ranked #342,904 of all domains

47 referring domains · OpenPageRank

Core Web Vitals

LCP1 s
INP225 ms
CLS0
TTFB600 ms

Real user p75, Chrome UX Report, Aug 2026.

Page

  • Language: Dutch
  • Weight: 42.2 MB · 35 requests
  • Structured data: Microdata, OpenGraph

Homepage as crawled by the HTTP Archive, Sep 2026.

Infrastructure

  • Hosted on TransIP (93.119.11.102)
  • Email: no MX record returned, SPF names Microsoft 365
  • Email security: SPF (hard fail), DMARC monitor only, DNSSEC signed
  • SSL: Let's Encrypt, RSA 2048, expires Dec 2026
  • Common Crawl link graph: rank 10,423,133, 8 hosts
  • Verified with: Google

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

Subdomains

HostTechs
support.bookzo.nl 13
www.bookzo.nl 10
web.bookzo.nl 7

Full technology history →
Report an incorrect detection

Recent changes

Look up any website for free

No paywall, no lead-gen, no account. Paste a domain and see what powers it.

No account neededHistory since 2018