What powers 
opensourcedesign.net?
Last seen Oct 2026 · 17 technologies across 13 categories
Caching
Varnish
since Apr 2019
CDN
Fastly
since Apr 2019
JavaScript frameworks
Ember.js
since Oct 2022
JavaScript libraries
Message boards
Miscellaneous
PaaS
GitHub Pages
since Apr 2019
Programming languages
Ruby
since Apr 2019
Security
HSTS
since Oct 2022
Static site generator
UI frameworks
Tailwind CSS
since Aug 2026
Web frameworks
Ruby on Rails
since Apr 2019
Web servers
Nginx
since Oct 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 not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Open Page Rank
4.74 / 10 · ranked #281,611 of all domains
120 referring domains · OpenPageRank
Page
- Language: English
- CDN: Fastly
- Weight: 0.4 MB · 15 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Open Source Design
- Profiles: GitHub
From the homepage's own structured data (Oct 2026).
Infrastructure
- Registered Feb 2015 (11 years) via Gandi SAS, renews Feb 2028
- Hosted on Fastly (185.199.108.153, IPv6)
- DNS: Gandi
- Email: Migadu
- Email security: SPF (hard fail), DMARC reject
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 424,356, 19 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 |
|---|---|
| discourse.opensourcedesign.net | 11 |
| opensourcedesign.net | 7 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped Bootstrap Sep 2026
- dropped Underscore.js Sep 2026
- detected Hugo Aug 2026
- detected RSS Aug 2026
- detected Tailwind CSS Aug 2026