Is your Joomla website slow? Here are some basic tips to optimize your Joomla website:
Joomla Cache - make sure to turn on this feature "Conservative caching".
Remove unneeded extensions - make sure to pick your extensions wisely, some extensions might heavily impact your websites speed.
G-Zip - In Global Configuration, on the Server Tab, you'll find the setting to turn it on. When G-Zip is turned on, your pages are compressed in a zip file, sent to your browser on your PC and unpacked there.