There is no one definitive answer to this question as it depends on your individual blog’s content and style. However, some popular themes that are popular with WordPress users are:
– WordPress.com: This is the default theme used on WordPress.
com blogs. It’s designed to be simple and easy to use, and it has a sleek, modern look.
– Twenty Fifteen: This is a popular responsive theme designed by Yoast. It has a modern, flat design and is optimized for mobile devices.
– Thesis: This is a powerful and versatile theme options theme that allows you to create any kind of blog layout you want. It also includes built-in features like social media integration and custom widget support.
Ultimately, the best theme for your WordPress blog is one that meets your needs and looks good on both desktop and mobile devices.