What powers 
informal.systems?
Last seen Aug 2026 · 25 technologies across 19 categories
Advertising
Microsoft Advertising
since Nov 2024
Analytics
Google Analytics
since Nov 2023
Caching
Varnish
since Sep 2022
CDN
Fastly
since Sep 2022
Cookie compliance
iubenda
since Mar 2023
Development
Turbopack
since Dec 2025
Font scripts
Font Awesome
since Jan 2022
JavaScript frameworks
JavaScript graphics
Mermaid
since Sep 2022
JavaScript libraries
Clipboard.js
since Sep 2022
Highlight.js
since Sep 2022
Miscellaneous
Open Graph
since Jan 2023
Webpack
since Dec 2022
PaaS
GitHub Pages
since Sep 2022
Netlify
since Jan 2022
Performance
Priority Hints
since Jun 2023
Programming languages
Security
HSTS
since Sep 2022
Static site generator
Surveys
Tally
since Feb 2025
UI frameworks
Tailwind CSS
since Apr 2022
Webmail
Google Workspace
since Aug 2022
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Nov 2026.
- robots.txt found
- llms.txt found
- ai.txt not found
- Sep 2026 llms.txt appeared
- Sep 2026 robots.txt appeared
- Sep 2026 * added to robots.txt
AI Crawlers
No AI crawlers blocked
Standards: llms.txt
Open Page Rank
4.88 / 10 · ranked #258,788 of all domains
118 referring domains · OpenPageRank
Infrastructure
- Registered Aug 2019 (7 years) via NameCheap, Inc., renews Aug 2027
- Hosted on Amazon Web Services (18.208.88.157, IPv6)
- DNS: Namecheap
- Email: Google Workspace
- Email security: no SPF record, no DMARC record
- SSL: Let's Encrypt, ECDSA P256, expires Jan 2027
- Common Crawl link graph: rank 531,132, 7 hosts
DNS records as swept Nov 2026, certificate as seen Nov 2026, registration from the registry's RDAP service. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| informal.systems | 16 |
| hermes.informal.systems | 8 |
| cofi.informal.systems | 7 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped Contentful May 2026
- dropped GSAP May 2026
- detected Microsoft Advertising Apr 2026
- detected Turbopack Dec 2025