To rank number one on Google, you need to understand the basics of SEO, which involves optimizing your website to meet Google’s algorithm requirements. Google’s algorithm is based on three critical factors: relevance, authority, and usability. Relevance refers to how closely your content matches a user’s search query. Authority refers to how trustworthy and authoritative your website is in your niche. Usability tends how easy it is for users to crawl and use your web pages for information.