There are several SEO plugins available for WordPress besides Yoast that can be used to optimize a website. Here are a few alternatives:
All in One SEO Pack: This plugin offers similar features to Yoast, including XML sitemap generation, optimization of titles and descriptions, and support for Google Analytics.
SEOPress: SEOPress is a lightweight plugin that offers advanced features such as schema markup, redirections, and broken link checker. It also has a user-friendly interface that makes it easy to use.
Rank Math: Rank Math is another popular plugin that offers features such as XML sitemap generation, breadcrumb navigation, and optimization of titles and descriptions. It also has a built-in 404 error monitor and redirect manager.
It is important to note that the choice of SEO plugin will depend on your specific needs and preferences. It is recommended to review the features of each plugin and compare them to choose the one that best suits your website's requirements.