3 Quick Speed Tips for WordPress Sites
Hosting should be the number one priority when it comes to speed of your WordPress site. If your server does not handle the site properly, there’s very little you can do to help.
Themes and Plugins
Themes and plugins are second in our list. Test them both and make sure that you don’t have any memory leakage or high CPU usage.
Images should be properly scaled down and compressed where available. Don’t insert wallpaper-size images into your post.
I often use GTmetrix this site will give you all additional details.
Image source lud68/Flickr