For larger projects we recommend a structured approach that uses a version control system like Git to automatically publish the latest version of your project. This is known as deployment. We would be happy to help you with this solution!
Caching is the process of storing frequently entered information in an easily accessible location. This can be done at different levels. The first and most obvious level is the website or application itself. Lengthy task data can be stored in a temporary and quick-to-access memory. Examples of caching techniques are W3 Total Cache, Memcache and Redis.
You can also cache entire pages using an HTTP accelerator such as Varnish.
Read this article for valuable information about caching methods.