Unlike on-page SEO optimization, off-page SEO refers to off-site actions to improve the visibility and authority of a website. The most common off-page SEO strategies include backlink building, social media marketing, and blog promotion.

Backlinks are links from other websites to your website. Search engines regard backlinks as a vote for your website's content, which reflects other websites' recognition of your website's content. High-quality backlinks not only increase the traffic of your website, but also improve the domain weight of your website, thus improving your ranking in the search engines.

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