Websites that have a shopping cart or checkout page, either using a known ecommerce platform or a custom solution.
Endurance Page Cache adds basic file-based caching to WordPress.
Google AdSense is a program run by Google through which website publishers serve advertisements that are targeted to the site content and audience.
Google Analytics is a free web analytics service that tracks and reports website traffic.
LiteSpeed Cache is an all-in-one site acceleration plugin for WordPress.
LiteSpeed is a high-scalability web server.
Open Graph is a protocol that is used to integrate any web page into the social graph.
Priority Hints exposes a mechanism for developers to signal a relative priority for browsers to consider when fetching resources.
WooCommerce is an open-source ecommerce plugin for WordPress.