If you've made changes or updates to your WordPress website but they're not showing up, there are several potential reasons and troubleshooting steps you can take:

1. Browser Cache: Your browser might be showing you a cached version of the page. Try clearing your browser cache and then refreshing the page.

2. WordPress Cache: If you're using a caching plugin like W3 Total Cache or WP Super Cache, try clearing the cache through the plugin settings.

3. Server Cache: Some hosting providers have server-level caching. You might need to clear this cache. If you're unsure how to do this, contact your hosting provider's support.

4. CDN Cache: If you're using a Content Delivery Network (CDN) like Cloudflare, it might be caching your site. Clear the CDN cache from your CDN provider's dashboard.

5. Theme Issues: If you're using a theme framework like Genesis, make sure you're editing the correct template file. Sometimes there are specific templates for different sections of your site.

6. Plugin Conflicts: Deactivate all your plugins and see if the changes appear. If they do, reactivate the plugins one by one to identify the one causing the issue.

7. Permalinks: Sometimes issues with permalinks can cause problems. Go to Settings > Permalinks and try changing the structure, then change it back and save.

8. Browser Issues: Test in different browsers to ensure it's not a browser-specific problem.

9. Server Issues: It's possible there's an issue on the server. Contact your hosting provider to see if there are any known problems.

10. Code Errors: Check for any PHP or JavaScript errors that might be preventing the changes from taking effect.

11. Database Issues: If the issue is database-related, it might require more advanced troubleshooting. Consider using a plugin like WP-DBManager to optimize and repair your database.

12. Check for Updates: Ensure that your WordPress core, themes, and plugins are all up to date.

13. File Permissions: Improper file permissions can sometimes cause issues. Check that your files have the correct permissions.

14. .htaccess File: Make sure your .htaccess file is properly configured. You can try temporarily renaming it to see if that resolves the issue.

15. Debugging: Enable WordPress debugging to see if any error messages are being generated.

Remember to always back up your site before making any significant changes, especially if you're going to be deactivating plugins or modifying files. This way, you can easily restore your site if something goes wrong. If none of the above steps work, you might want to seek assistance from a developer or a WordPress support forum for more advanced troubleshooting.