What powers trefle.io?
Last seen Aug 2026 · 20 technologies across 13 categories
Analytics
Caching
Varnish
since Jun 2021
CDN
Cloudflare
since May 2025
Fastly
since Jun 2021
Documentation
Font scripts
Font Awesome
since Aug 2020
Google Font API
since Jul 2020
JavaScript frameworks
React
since Jun 2021
JavaScript libraries
Miscellaneous
PaaS
GitHub Pages
since Jun 2021
OVHcloud
since May 2023
Programming languages
Ruby
since Jul 2020
Security
Cloudflare Bot Management
since May 2025
HSTS
since May 2025
Web frameworks
Ruby on Rails
since Jul 2020
Webmail
Proton Mail
since Oct 2025
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Aug 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Open Page Rank
1.87 / 10 · ranked #3,972,922 of all domains
11 referring domains · OpenPageRank
Page
- Language: English
- Weight: 0.7 MB · 35 requests
- Structured data: JSON-LD, OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Subdomains
| Host | Techs |
|---|---|
| docs.trefle.io | 14 |
| trefle.io | 10 |
Full technology history →
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Recent changes
- detected Proton Mail Oct 2025