What powers 
fiberfestival.nl?
Last seen Sep 2026 · 32 technologies across 20 categories
Analytics
CDN
CMS
Databases
Ecommerce
Font scripts
JavaScript frameworks
JavaScript libraries
Miscellaneous
Performance
Programming languages
Retargeting
Security
SEO
Tag managers
UI frameworks
Video players
Web servers
Widgets
AI Crawlers
Restricts 16 of 33 AI crawlers we track by name in its robots.txt. Checked Oct 2026.
Training crawlers
- AI2Bot Restricted
- Applebot-Extended Restricted
- Bytespider Restricted
- CCBot Restricted
- ClaudeBot Restricted
- cohere-training-data-crawler Restricted
- FacebookBot Restricted
- Google-Extended Restricted
- GoogleOther Restricted
- GPTBot Restricted
- img2dataset Restricted
- meta-externalagent Restricted
- Webzio-Extended Restricted
Search and AI assistants
- Amazonbot Restricted
- DuckAssistBot Restricted
- YouBot Restricted
The other 17 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
16 of 33 AI crawlers restricted
Open Page Rank
4.20 / 10 · ranked #456,698 of all domains
67 referring domains · OpenPageRank
Page
- Language: English (United States)
- Weight: 4.6 MB · 125 requests
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- FIBER
- Founded: 2010
- Country: Netherlands
From Wikidata (CC0).
Infrastructure
- Hosted on PREVIDER-AS (141.138.169.222, IPv6)
- DNS: g1-dns.com
- Email: fiberfestival.nl
- Email security: SPF (soft fail), DMARC quarantine, DNSSEC signed
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 2,229,348, 11 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| 2021.fiberfestival.nl | 18 |
| 2025.fiberfestival.nl | 17 |
| fiberfestival.nl | 16 |
| www.fiberfestival.nl | 16 |
| 2026.fiberfestival.nl | 13 |
Full technology history →
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Recent changes
- dropped Angular Sep 2026
- dropped TypeScript Sep 2026
- dropped Zone.js Sep 2026