What powers zwembaddeplons.nl?
Last seen Oct 2026 · 30 technologies across 16 categories
Analytics
Authentication
Caching
CDN
CMS
Databases
Font scripts
JavaScript libraries
Miscellaneous
Programming languages
Security
Tag managers
UI frameworks
Web servers
Webmail
WordPress plugins
AI Crawlers
Restricts 10 of 33 AI crawlers we track by name in its robots.txt. Checked Oct 2026.
Training crawlers
- Bytespider Restricted
- CCBot Restricted
- ClaudeBot Restricted
- FacebookBot Restricted
- GPTBot Restricted
- meta-externalagent Restricted
Search and AI assistants
- Amazonbot Restricted
- Applebot Restricted
- PetalBot Restricted
User-request fetchers
- ChatGPT-User Restricted
The other 23 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
10 of 33 AI crawlers restricted
Audience
Netherlands
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.46 / 10 · ranked #6,915,946 of all domains
4 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.7 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 1400 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Weight: 2.0 MB · 69 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Zwembad de Plons
- Profiles: Facebook
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on HOASTED (212.125.139.55, IPv6)
- DNS: hostingsecure.com
- Email: Microsoft 365
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, ECDSA P256, expires Jan 2027
- Common Crawl link graph: rank 26,738,156, 2 hosts
- Verified with: Brevo, Google, Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped Nginx Aug 2026
- detected HTTP/3 Jul 2026
- detected LiteSpeed Jul 2026
- detected Twitter Emoji (Twemoji) Dec 2025