Redis Object Cache

Oracle Web Cache is a browser and content management server, which improves the performance of web sites.

RackCache is a quick drop-in component to enable HTTP caching for Rack-based applications. It provides a simple way to add caching capabilities to Ruby web applications, improving performance by reducing the load on application servers. RackCache offers features like support for various cache stores, automatic cache expiration, and configurable caching policies. Its lightweight nature and easy integration with Rack middleware make it popular among Ruby developers looking to implement efficient caching in their web applications without significant code changes.

Varnish is a high-performance HTTP reverse proxy and web application accelerator. It works by caching HTTP requests in memory, significantly reducing the load on web servers and databases. Varnish offers features like flexible configuration through its domain-specific language (VCL), health checking of backend servers, and support for various caching strategies. Its ability to handle high traffic loads and improve response times makes it popular among large-scale websites and content-heavy applications looking to optimize their performance and reduce server load.