What powers plaincode.com?
Last seen Oct 2026 · 6 technologies across 5 categories
Analytics
Caching
CDN
Miscellaneous
PaaS
AI Crawlers
Restricts 15 of 33 AI crawlers we track by name in its robots.txt. Checked Oct 2026.
Training crawlers
- Applebot-Extended Restricted
- Bytespider Restricted
- CCBot Restricted
- ClaudeBot Restricted
- cohere-training-data-crawler Restricted
- Diffbot Restricted
- FacebookBot Restricted
- Google-Extended Restricted
- GPTBot Restricted
- ImagesiftBot Restricted
- Webzio-Extended Restricted
Search and AI assistants
- Amazonbot Restricted
- OAI-SearchBot Restricted
- PerplexityBot Restricted
User-request fetchers
- ChatGPT-User Restricted
The other 18 AI crawlers we track are not mentioned and stay allowed by default.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
15 of 33 AI crawlers restricted
Open Page Rank
2.83 / 10 · ranked #1,905,142 of all domains
17 referring domains · OpenPageRank
Page
- Language: English
- CDN: Fastly
- Weight: 0.1 MB · 9 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on Fastly (185.199.108.153)
- DNS: schlundtech.de
- Email: Google Workspace
- Email security: SPF (soft fail), DMARC quarantine
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 116,840, 2 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
Report an incorrect detection
Recent changes
- dropped Apache HTTP Server Apr 2026
- dropped Google Analytics Apr 2026
- dropped Google Font API Apr 2026
- dropped Modernizr Apr 2026
- dropped MySQL Apr 2026
- dropped PHP Apr 2026
- dropped Twenty Twelve Apr 2026
- dropped WordPress Apr 2026
- detected Fastly Mar 2026
- detected GitHub Pages Mar 2026
- dropped Google Workspace Mar 2026
- detected Open Graph Mar 2026
- detected Umami Mar 2026
- detected Varnish Mar 2026