Joomla 3.6.x includes effective caching options. Caching can help speed up your website and increase performance drastically. It also reduces load on your hosting server.
To clear all the cache in Joomla 3.6.x you have to execute the following steps:
- Log into your Joomla Administrator dashboard
- In the top menu, click on System->Clear Cache
- To clear all cache, click on the Delete All button
- All cache is now cleared in your Joomla 3.6.5 or higher installation