Blogging is definitely an important part of SEO. By writing about your website and your products, you are increasing the chances that people will visit your site and learn more about what you have to offer.
Additionally, by providing valuable content on a regular basis, you will help to build trust and credibility with potential customers. Finally, by publishing helpful tips and advice, you can help other bloggers to improve their own SEO efforts.
While blogging is certainly an important part of SEO, it is not the only thing that needs to be done in order to achieve success. A well-rounded strategy that includes both blogging and SEO efforts will be much more effective than simply relying on one tactic alone.