What powers elfri.co?

CDN

Cloudflare

since May 2026

Font scripts

Google Font API

since May 2026

JavaScript frameworks

Reveal.js

since May 2026

JavaScript libraries

Hammer.js v2.0.7

since May 2026

Highlight.js

since May 2026

jQuery v3.7.1

since May 2026

web-vitals

since May 2026

Miscellaneous

Open Graph

since May 2026

Popper

since May 2026

PWA

since May 2026

Security

HSTS

since May 2026

UI frameworks

Bootstrap v5

since May 2026