Facebook pixel is an analytics tool that allows you to measure the effectiveness of your advertising.
OpenResty is a web platform based on nginx which can run Lua scripts using its LuaJIT engine.
Vue.js is an open-source model–view–viewmodel JavaScript framework for building user interfaces and single-page applications.
VuePress is a static site generator with a Vue-powered theming system, and a default theme for writing technical documentation.
WhatsApp Business is a free to download app available on Android and iPhone using which businesses can connect with their customers.