Adobe Flash is a multimedia software platform used for production of animations, rich web applications and embedded web browser video players.
HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.
Nginx is a web server that can also be used as a reverse proxy, load balancer, mail proxy and HTTP cache.
SWFObject is an open-source JavaScript library used to embed Adobe Flash content onto web pages.
W3 Total Cache (W3TC) improves the SEO and increases website performance and reducing load times by leveraging features like content delivery network (CDN) integration and the latest best practices.