A `sitemap.xml` file is an XML file that helps search engines understand the structure of your website. It provides information about the pages, videos, and other files on your site, and the relationships between them.
Here’s a simple structure of a `sitemap.xml` file:
```xml
https://www.example.com/
2023-10-01
daily
1.0
https://www.example.com/about
2023-10-01
monthly
0.8
https://www.example.com/contact
2023-10-01
yearly
0.5
```
Key elements in a `sitemap.xml` include:
- <url>: Represents a single URL on your website.
- <loc>: The location (URL) of the page.
- <lastmod>: The date the page was last modified.
- <changefreq>: How frequently the page is likely to change (e.g., daily, weekly, monthly, etc.).
- <priority>: The priority of the page relative to other pages on your site (ranges from 0.0 to 1.0).
Creating and submitting a `sitemap.xml` can improve your site's visibility in search engine results.