> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://help.ex2.com/sitemap.xml
> Use this file to discover available pages before exploring further.
> Pure-Markdown content can be obtained by appending a '.md' suffix to the content URLs listed in the sitemap (without the trailing slash).

# What is SEO?

## SEO referencing

SEO stands for *Search Engine Optimization*. This is a set of practices aimed at improving the ranking of a site in search results. 

Search algorithms take into account many factors to determine the presented results. These are used to judge the relevance and quality of websites. Optimizing your site based on these [factors](https://help.ex2.com/en/article/what-are-the-200-seo-factors-behind-googles-serp-15z4xe9/?bust=1784209800802) can help improve your ranking in results.

SEO is a major element that can contribute to the success or failure of a website. Search engines are by far the most effective way to attract new visitors, so a good ranking in search results can help you increase your organic visibility and grow your business.

Factors that affect SEO include the proper use of keywords, quality content that is regularly updated, web lifelines, mobile usability, backlinking, and user engagement. There are many more factors that play a role in the overall ranking of a website’s search engines, but these are generally considered the most vital for SEO.