What powers fsl.software?
Last seen Oct 2026 · 4 technologies across 4 categories
Caching
Varnish
since Dec 2023
CDN
Fastly
since Dec 2023
Miscellaneous
Open Graph
since Dec 2023
PaaS
GitHub Pages
since Dec 2023
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Nov 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
4.69 / 10 · ranked #321,175 of all domains
53 referring domains · OpenPageRank
Page
- CDN: Fastly
- Weight: 0.4 MB · 7 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Registered Oct 2023 (3 years) via Gandi SAS, renews Oct 2027
- Hosted on Fastly (185.199.108.153, IPv6)
- DNS: Google Cloud DNS
- Email: no MX record returned
- Email security: SPF (hard fail), DMARC reject
- SSL: Let's Encrypt, RSA 2048, expires Jan 2027
- Common Crawl link graph: rank 1,964,138
DNS records as swept Nov 2026, certificate as seen Nov 2026, registration from the registry's RDAP service. How the web is hosted