Adding meta keywords manually can help you manage your WordPress SEO without installing additional plugins. This tutorial explains how to access your theme files, edit the header section, and insert meta keyword tags directly into your website code. It also highlights how custom fields and simple code snippets can help you control meta tags for individual pages or posts. If you want a... https://www.wp-1click.com/blog/add-meta-keywords-in-wordpress-without-a-plugin/