AMP for WordPress automatically adds Accelerated Mobile Pages (Google AMP Project) functionality to your WordPress site.
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.
Lightbox is small javascript library used to overlay images on top of the current page.
LiteSpeed is a high-scalability web server.
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.