BEM (Block, Element, Modifier) is a naming convention for classes in HTML and CSS what was developed by Yandex.
HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.
Laravel is a free, open-source PHP web framework.
Nginx is a web server that can also be used as a reverse proxy, load balancer, mail proxy and HTTP cache.
Open Graph is a protocol that is used to integrate any web page into the social graph.
VK is a Russian online social media and social networking service.
WhatsApp Business is a free to download app available on Android and iPhone using which businesses can connect with their customers.