What powers 
linkml.io?
Last seen Aug 2026 · 7 technologies across 6 categories
Caching
Varnish
since Sep 2022
CDN
Fastly
since Sep 2022
Font scripts
Google Font API
since May 2026
Miscellaneous
Open Graph
since May 2026
PaaS
Amazon Web Services
since Sep 2022
GitHub Pages
since Sep 2022
Security
HSTS
since Sep 2022
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
Audience
- 81% desktop
- 19% phone
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.01 / 10 · ranked #557,711 of all domains
39 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.7 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- CDN: Fastly
- Weight: 1.9 MB · 11 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Fastly (185.199.108.153)
- DNS: Amazon Route 53
- Email: no MX record returned
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 1,951,333
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
Report an incorrect detection
Recent changes
- dropped Google Analytics Jun 2026
- dropped jsDelivr Jun 2026
- detected Google Font API May 2026
- detected Open Graph May 2026