Yes, blogging is a part of SEO. Blogging allows you to create high-quality, relevant, and engaging content for your website, which can help to improve your search engine rankings and visibility. Blogging can also provide opportunities for backlinking, which can help to increase the authority of your website.
Additionally, regular blogging can help to keep your website fresh and relevant, which can improve the user experience and encourage repeat visits. An SEO agency should include blogging as part of their overall strategy to improve your website’s visibility and rankings.