There are several effective SEO apps available for BigCommerce. We often recommend using apps like SEO Manager, ReloadSEO, and Schema Plus for their robust features. These apps offer functionalities such as optimizing meta titles, descriptions, and URLs, generating XML sitemaps, managing redirects, optimizing product pages, and providing insights to enhance site SEO. Additionally, integrating Google Analytics and Google Search Console with BigCommerce is crucial for monitoring website performance and identifying optimization opportunities.