What powers indigo-astronomy.org?
Last seen Sep 2026 · 5 technologies across 5 categories
Analytics
Caching
Varnish
since Jul 2022
CDN
Fastly
since Jul 2022
Miscellaneous
Open Graph
since Sep 2026
PaaS
GitHub Pages
since Jul 2022
AI Crawlers
Does not block any of the 33 AI crawlers we track in its robots.txt. Checked Sep 2026.
Training crawlers
- Applebot-Extended Allowed
- Bytespider Allowed
- CCBot Allowed
- ClaudeBot Allowed
- Google-Extended Allowed
- GPTBot Allowed
- meta-externalagent Allowed
Search and AI assistants
- Amazonbot Allowed
- Claude-SearchBot Allowed
- OAI-SearchBot Allowed
- PerplexityBot Allowed
User-request fetchers
- ChatGPT-User Allowed
- Perplexity-User Allowed
The other 20 AI crawlers we track are not mentioned and stay allowed by default.
- robots.txt found
- llms.txt found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Standards: llms.txt
Open Page Rank
3.03 / 10 · ranked #1,533,613 of all domains
25 referring domains · OpenPageRank
Infrastructure
- Hosted on Fastly (185.199.108.153)
- DNS: webhouse.sk
- Email: webhouse.sk
- Email security: SPF (hard fail), DMARC reject
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 2,118,333, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped Bootstrap Sep 2026
- dropped jQuery Sep 2026
- detected Open Graph Sep 2026