AMP, originally created by Google, is an open-source HTML framework developed by the AMP open-source Project. AMP is designed to help webpages load faster.
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.
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.