What powers open-semantic-interchange.org?
Last seen Jun 2026 · 8 technologies across 7 categories
Caching
Varnish
since May 2026
CDN
Fastly
since May 2026
Documentation
Font scripts
Google Font API
since May 2026
PaaS
Amazon Web Services
since Feb 2026
GitHub Pages
since May 2026
Programming languages
Python
since May 2026
UI frameworks
Bootstrap
since May 2026
Audience
- 81% desktop
- 19% phone
United States
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.66 / 10 · ranked #781,403 of all domains
39 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- CDN: Fastly
- Weight: 0.2 MB · 14 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
Report an incorrect detection
Recent changes
- dropped Amazon CloudFront Jun 2026
- dropped Amazon S3 Jun 2026
- detected Bootstrap May 2026
- detected Fastly May 2026
- detected GitHub Pages May 2026
- detected Google Font API May 2026
- detected MkDocs May 2026
- detected Python May 2026
- detected Varnish May 2026