A **sitemap.xml** file is an XML file that provides information about the pages, videos, and other files on your site, as well as the relationships between them. This file helps search engines like Google to crawl your website more intelligently.
Here’s a simple structure of a **sitemap.xml**:
```xml
http://www.example.com/
2023-10-01
monthly
1.0
http://www.example.com/about
2023-09-15
monthly
0.8
http://www.example.com/contact
2023-10-10
monthly
0.6
```
### Key Elements
- <url>: Defines a URL entry.
- <loc>: Specifies the location of the page.
- <lastmod>: Indicates the last modified date of the page.
- <changefreq>: Suggests how frequently the page is likely to change.
- <priority>: Indicates the priority of the page relative to other pages on the site.
Including a **sitemap.xml** file can enhance the visibility of your site in search engine results.