In 2023, one of the best WordPress themes to buy for SEO optimization is Astra. Astra is a lightweight, customizable theme that is designed to work with page builders such as Elementor and Beaver Builder. It is also WooCommerce compatible, making it a great option for online stores. Astra is also optimized for speed, which is important for SEO.

Another great theme for news sites is the Newspaper theme. This theme is designed specifically for news sites and offers a clean, modern design that is perfect for displaying articles and images. It also includes a variety of customization options, making it easy to customize the look and feel of your site.

The Genesis Theme is another great option for SEO optimization. This theme is designed to be lightweight and fast, and it also includes built-in SEO options to help you optimize your site for search engines.

ElegantThemes is another popular theme provider that offers a wide variety of options for SEO optimization. The company’s Divi theme is a popular choice for building custom, responsive designs that are optimized for speed and search engines.

ThriveThemes is another popular theme provider that offers a variety of options for SEO optimization. Their themes are designed to be fast, lightweight, and easy to customize. They also include built-in options for improving your site’s search engine rankings.

Finally, ThemeForest is a marketplace where you can find a wide variety of WordPress themes, many of which are optimized for SEO. With so many options to choose from, you’re sure to find a theme that fits your needs.

In conclusion, Astra, Newspaper Theme, Genesis Theme, ElegantThemes, ThriveThemes and ThemeForest are some of the best WordPress themes to buy in 2023 that are SEO optimized. They are lightweight, fast, customizable, and include built-in options for improving your site’s search engine rankings.