How To Optimize WordPress Website Speed
Use An Optimized Theme
Using an optimized theme like Hello Theme can greatly speed up your site
Remove unused plugins
Removing unused and heavy plugins can help your site load faster.
Reduce image sizes
The smaller your images are the faster your site will be and the faster your visitors can load them as well.
Use a cache
Cache helps your site load faster for users who visit your site multiple times by saving a small amount of the pages HTML and CSS to their browser
Add a CDN
CDN or content delivery network can help to speed up your site by delivering it to the visitor from a server closer to them.