Apache is a free and open-source cross-platform web server software.
BigCommerce is a hosted ecommerce platform that allows business owners to set up an online store and sell their products online.
Google PageSpeed is a family of tools designed to help websites performance optimisations.
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.