If you should reduce the overall CPU usage for your wordpress account installation of WP Super Cache is strongly recommended.
1. Go to your plugin page wp-admin/plugins.php
2. Click on “Add new” button
3. Enter “WP Super Cache” in search field and click on “Search Plugin” button
4. Install WP Super Cache on your site
5. Click on activation button
6. Click on “plugin admin page”
7. Check “Caching On” checkbox
8. Click on “Update status” button
9. Click on “Test Cache” button
10. Click on 1.html link and be sure it is your home page