Search engine optimization is the process of making your site better for search engines. It's also the job title of a person who does this for a living: We just hired a new SEO to improve our presence on the web.

If you have a website on an automated web hosting platform like Blogger, Wix, or Squarespace, or run a small business and don't have much time to put into your website, it's worth learning the basics of managing your presence in search engines. A little knowledge can go a long way toward helping people find your site.