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A slow site can be caused by large images, too many plugins, or server issues. Optimize images and review your plugins to improve speed.

To fix plugin conflicts, deactivate all plugins and reactivate them one by one to identify the conflicting plugin.

If your site is hacked, restore it from a backup, change all passwords, and consider enhancing your security measures.

If you lose content, check your CMS's revision history or backups to restore previous versions.

If your site is down, check your hosting provider's status, and consider contacting their support for assistance.

Updating your CMS usually involves clicking an update button in the dashboard, but always back up your site first.

A 404 error indicates that a page is not found. Check the URL for typos or restore the page if it was deleted.

Improving SEO can involve optimizing content, using relevant keywords, and ensuring your site is mobile-friendly.

Best practices include regular updates, backups, and monitoring site performance to ensure everything runs smoothly.