What powers wren.io?
Last seen Aug 2026 · 5 technologies across 5 categories
Caching
Varnish
since Jul 2020
CDN
Fastly
since Jul 2020
Font scripts
Google Font API
since Apr 2019
Miscellaneous
Prism
since Jun 2020
PaaS
GitHub Pages
since Apr 2019
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Sep 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Open Page Rank
4.31 / 10 · ranked #432,614 of all domains
67 referring domains · OpenPageRank
Page
- CDN: Fastly
- Weight: 0.1 MB · 15 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Fastly (185.199.108.153)
- DNS: Namecheap
- Email: no MX record returned
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 1,893,848, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted