You can optimize a WordPress site for SEO with simple steps. You should install an SEO plugin like Yoast or Rank Math. You can use a fast and responsive theme. You should create unique and valuable content for users. You can add keywords naturally in titles and headings. You should use alt text for images on your site. You can optimize your site speed with caching plugins. You should ensure your site is mobile-friendly. You can create an XML sitemap for better indexing. You should build quality backlinks to increase authority. You can improve rankings by updating content regularly.