To boost your website's SEO, use a mix of on-site and off-site methods. On-site tasks include adjusting keywords, improving meta tags, ensuring mobile-friendliness, and enhancing user experience. This includes regular content updates and maintaining a technically sound website. Off-site actions, like building backlinks from reputable websites, extend beyond your site. While you can manage many on-site improvements yourself or with your team, external SEO professionals or agencies can offer additional skills, especially in areas like link building and strategic planning. Combining on-site and off-site SEO is usually the most effective approach. You can handle on-site changes internally, but external assistance may be useful for specific off-site aspects, depending on your goals and resources.