List of the best website cache software and WordPress plugins that bloggers use to optimize their website and improve age load speed. Features to consider when selecting a website cache software include hosting compatibility, cloudflare CDN integration, mobile support, AMP support, SSL support, etc.

Methodology: website cache software and plugins listed below have been ranked according to website metrics, user experience, and editorial judgment. Learn more about our ranking criteria.

    Redis is an in-memory data structure store that is used for database cache. Redis can be installed in your server and used cache your database to improve page load speed. Its best alternative is Memcached.

    W3 Total Cache is a WordPress cache plugin that is used to improve website performance. W3 Total Cache has over 1 million installations making it one of the most popular WordPress cache plugins.

    WP Rocket is a WordPress plugin that is used for website caching and performance. If well configured, WP Rocket makes your website load faster. Unlike other WordPress cache plugins, WP Rocket has no free version. 

    Varnish is a powerful open source web application that is used for website chance (http) . Varnish can be installed for free in your website server to improve performance. Varnish can be deployed on the cloud or any dedicated hardware. 

    Nginx is an open source web application that can be used as a reverse proxy server and http cache. Nginx can be installed in your web server to improve website load speed and performance. Nginx.org is open source while Nginx.com is the commercial version website.

    Memcached is a free and open source in memory object caching system. Memcached is mainly used by large tech companies like YouTube, Twitter, Facebook, WikiPedia, etc to reduce database load. Unlike other cache applications, Memcached stores its data in memory. The best alternative of Memcached is Redis Cache

    WP Fastest Cache is a WordPress plugin that is used for website cache. WP Fastest Cache can be downloaded and installed for free. WP Fastest Cache also has a premium version with extra features like gzip compression, image optimization, convert WebP, Lazy Load etc.

    LiteSpeed is a web server that comes with plugins that are used for server level website cache. The features provided below are for the LiteSpeed Cache WordPress plugin. LiteSpeed also has plugins for Joomla, PrestaShop, Magento, etc.