Built with Turbolinks, hosted on AWS behind Cloudflare.
Confidence reflects how many independent signals matched.
| Technology | Version | Confidence | First seen |
|---|---|---|---|
| JavaScript Frameworks & Libraries1 | |||
| – | High | 14 Oct 2026 | |
| Web Servers, Languages & Backend Frameworks2 | |||
| – | High | 14 Oct 2026 | |
| – | High | 14 Oct 2026 | |
| CDN & Hosting3 | |||
| – | High | 14 Oct 2026 | |
| Analytics & Tag Management1 | |||
| – | High | 14 Oct 2026 | |
| Security, WAF & Bot Protection1 | |||
| – | High | 14 Oct 2026 | |
aspmx.l.google.comalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt4.aspmx.l.google.comalt3.aspmx.l.google.comns3.systemdns.comns2.systemdns.comns1.systemdns.comv=spf1 include:_spf.google.com ~allgoogle-site-verification=u7MnoSQDMWd6ALAeGYINwG4UDlzTK0Xw6IPq1b12qYIv=DMARC1; p=none# Cloudflare crawl control rules User-Agent: * Content-signal: search=yes,ai-train=no Allow: / # Amazon product and Alexa AI training crawler User-agent: Amazonbot Disallow: / # Apple's extended crawler for AI and Siri training User-agent: Applebot-Extended Disallow: / # ByteDance's aggressive web crawler User-agent: Bytespider Disallow: / # Common Crawl bot used by many AI training datasets User-agent: CCBot Disallow: / # Anthropic's Claude AI web crawler User-agent: ClaudeBot Disallow: / # Diffbot's structured data extraction crawler User-agent: Diffbot Disallow: / # Meta's AI training crawler User-agent: FacebookBot Disallow: / # Google Cloud Vertex AI training crawler User-agent: Google-CloudVertexBot Disallow: / # Google's AI training and Gemini data crawler User-agent: Google-Extended Disallow: / # OpenAI's primary AI training crawler User-agent: GPTBot Disallow: / # Meta's external AI agent crawler User-agent: meta-externalagent Disallow: / # Omgili/Webz.io deep web content crawler User-agent: omgili Disallow: / # Baidu's AI and search crawler User-agent: PetalBot Disallow: / # Timpi decentralized search engine crawler User-agent: Timpibot Disallow: / # Webz.io extended data collection crawler User-agent: Webzio-Extended Disallow: / # Aggressive scrapers — always blocked regardless of AI crawler setting User-agent: NerdyBot Disallow: / User-agent: BUbiNG Disallow: / # SEO analytics crawler — rate-limited rather than blocked User-agent: SemrushBot Crawl-delay: 60 Sitemap: https://www.louiskerckhof.com/sitemap.xml
| – |
| High |
| 14 Oct 2026 |
| – | High | 14 Oct 2026 |
