cdnjs is a free distributed JS library delivery service.
Google Analytics is a free web analytics service that tracks and reports website traffic.
HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.
JSDelivr is a free public CDN for open-source projects. It can serve web files directly from the npm registry and GitHub repositories without any configuration.
Naver Analytics is a Korean based analytics service.
OpenResty is a web platform based on nginx which can run Lua scripts using its LuaJIT engine.
Swiper is a JavaScript library that creates modern touch sliders with hardware-accelerated transitions.