Search Engine Optimization is the process of increasing the rankings of your website in search engines such as Google. Search engines look at more than 200 factors when deciding which websites to rank, such as:
Your content being unique, high-quality, and relevant to a topic.
Your site having quality backlinks and buzz on other relevant sites, suggesting that it’s important.
Your site being well built and following standards to improve the user experience, as well as the proficiency of search engines to review your site.