What powers heldergroen.nl?
Last seen Aug 2026 · 29 technologies across 19 categories
Advertising
Microsoft Advertising
since Oct 2024
Analytics
Google Analytics
since Apr 2019
CDN
Cloudflare
since Feb 2022
CMS
Cookie compliance
Databases
MySQL
since Apr 2019
Font scripts
Twitter Emoji (Twemoji)
since May 2024
JavaScript frameworks
JavaScript libraries
Miscellaneous
Performance
Priority Hints
since Nov 2023
Programming languages
Security
Cloudflare Bot Management
since Feb 2022
reCAPTCHA
since Jan 2021
Tag managers
Google Tag Manager
since Apr 2019
UI frameworks
Video players
Web servers
Apache HTTP Server
since Apr 2019
LiteSpeed
since Dec 2025
Webmail
Apple iCloud Mail
since Sep 2024
Microsoft 365
since Aug 2022
WordPress plugins
AI Crawlers
robots.txt could not be read at the last check (Sep 2026), so its policy is unknown.
- robots.txt not checked
- llms.txt not checked
- ai.txt not checked
AI Crawlers
Policy unknown
Audience
Netherlands
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.82 / 10 · ranked #1,944,233 of all domains
19 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.7 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 800 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Dutch (Netherlands)
- Weight: 52.1 MB · 124 requests
- WordPress theme: avada (child: avada-child-theme) · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Reclamebureau Heldergroen
From the homepage's own structured data (Sep 2026).
Infrastructure
- Email: no MX record returned, SPF names Microsoft 365
- Email security: SPF (hard fail), DMARC monitor only
- Common Crawl link graph: rank 8,765,830, 2 hosts
DNS records as swept Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| heldergroen.nl | 27 |
| www.heldergroen.nl | 23 |
Full technology history →
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Recent changes
- dropped Plesk Mar 2026