- Use fewer plugins. Delete the ones you do not need.
- Compress images before uploading, and keep them no wider than they are displayed.
- Use a caching plugin to serve pages quickly.
- Use a recent PHP version (see How to change your PHP version).
- Keep WordPress, themes and plugins updated.
- Avoid big auto-playing videos and heavy sliders on the home page.
Test your pages with a free tool such as Google PageSpeed Insights to see what slows them down.
