Off-page SEO (also called off-site SEO) refers to actions taken outside of your own website to impact your ranking on search engine results pages (SERPs). Off-page SEO refers to all SEO tactics that don't involve updating or publishing content to your website. Off-page SEO involves all the actions you take to impact your search engine rankings that fall outside your website. This may include creating backlinks, being active on social media, and blogging as a guest.
Off-page optimization is defined as the technique that helps the website improve its ranking on the search engine results page. These factors work outside the boundaries of web pages. These ranking factors are not directly controlled by the publisher. Off-page optimization basically deals with link building for SEO.
Off-page SEO is a long-term and time-consuming process, including acquiring backlinks to your website from authority sites, social media, and social bookmarks. Off-page factors work in the background to improve search rankings. Off-page SEO refers to anything that is done outside of your website with the potential to affect engine rankings. Building links is the most obvious example of this, but there are many other off-page factors besides links.