SEO plugins such as Yoast and RankMath are tools you add to your WordPress site to help improve how search engines see your content. First, you install the plugin and activate it so its features become available. Then, you configure settings to tell the plugin your SEO preferences. When you write or edit content, the plugin analyzes it and gives you a score showing how well it is optimized. It also suggests improvements you can make. After applying these suggestions, your content becomes more SEO-friendly. Finally, you publish the content and can monitor how well it performs in search results over time. This step-by-step process helps beginners understand how SEO plugins work to boost website visibility.