What powers heyl.nl?
Last seen Aug 2026 · 10 technologies across 8 categories
Analytics
Google Analytics
since Jan 2019
Pinterest Conversion Tag
since Jul 2023
Miscellaneous
Open Graph
since Sep 2022
PaaS
Amazon Web Services
since Aug 2022
Security
HSTS
since Sep 2022
Tag managers
Google Tag Manager
since Mar 2021
UI frameworks
Bootstrap
since Jan 2019
Web servers
Nginx
since Mar 2021
Webmail
Apple iCloud Mail
since Jan 2023
Microsoft 365
since Aug 2022
AI Crawlers
Blocks all crawlers by default in robots.txt (User-agent: *). Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Sep 2026 *: Blocked (was Restricted)
- Sep 2026 petalbot removed from robots.txt
- Sep 2026 gptbot removed from robots.txt
- Sep 2026 gptbot added to robots.txt
- Sep 2026 *: Restricted (was Blocked)
- Sep 2026 petalbot added to robots.txt
AI Crawlers
All crawlers blocked
Audience
- 74% phone
- 16% desktop
- 10% tablet
Germany
Netherlands
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.31 / 10 · ranked #1,109,807 of all domains
9 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.7 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 1000 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- Weight: 1.4 MB · 50 requests
- Structured data: JSON-LD, OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Heyl
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on AS-EUROFIBER (144.178.66.171)
- DNS: Amazon Route 53
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC monitor only
- SSL: Let's Encrypt, ECDSA P256, wildcard, expires Dec 2026
- Common Crawl link graph: rank 30,200,256, 4 hosts
- Verified with: Apple Business, Google
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.heyl.nl | 10 |
| erp.heyl.nl | 4 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Google Tag Manager Apr 2026