How does link building contribute to domain authority?

Link building is an important factor in building and improving a website's domain authority. Domain authority is a metric developed by Moz that predicts how well a website will rank on search engine result pages (SERPs). It is based on a variety of factors, including the quality and quantity of links pointing to a website.

Here are some ways that link building contributes to domain authority:

1. **Increases the number of backlinks:** Link building involves acquiring links from other websites to your own. Each new backlink increases the number of links pointing to your site, which can improve your domain authority.
2. **Improves the quality of backlinks:** Not all backlinks are created equal. Links from high-authority websites are more valuable than links from low-authority sites. Link building involves targeting high-quality websites for links, which can improve your domain authority.
3. **Diversifies your link portfolio:** Link building involves acquiring links from a variety of sources, including blogs, news sites, directories, and social media. This diversification can improve your domain authority by showing search engines that your site is relevant and trustworthy.
4. **Helps establish your site as an authority:** Link building involves creating high-quality content that other websites want to link to. By consistently producing valuable content, you can establish your site as an authority in your industry or niche, which can improve your domain authority.
5. **Increases referral traffic:** Link building can also increase referral traffic to your site. When other websites link to your content, their readers may click through to your site, which can lead to increased traffic and engagement.

It's important to note that domain authority is just one metric among many that can impact your search engine ranking. Other factors, such as content quality, user experience, and technical SEO, also play a role. However, link building is a critical component of building and improving domain authority, which can help your site rank higher in search results and attract more traffic and engagement.