High Domain Authority (DA) and Page Authority (PA) are important for Google ranking because they serve as indicators of a website’s credibility and relevance. Here’s why they matter:

1. Credibility and Trustworthiness: High DA and PA scores suggest that a website is reputable and trustworthy. This is because these scores are influenced by factors like the quality and quantity of backlinks from other authoritative sites.

2. Better Search Engine Ranking: Websites with higher DA and PA are more likely to rank well in search engine results pages (SERPs). This is because search engines, like Google, use these metrics to gauge the overall quality and relevance of a site or page.

3. Increased Organic Traffic: Higher rankings typically lead to more visibility, which can result in increased organic traffic. More traffic can lead to higher engagement and potentially more conversions.

4. Competitive Edge: In competitive niches, having a higher DA and PA can give you an edge over competitors. It signals to search engines that your site is a more authoritative source of information.

5. Link Building: High DA and PA can make your site more attractive for link-building opportunities. Other websites are more likely to link to your content if they see your site as authoritative.

While DA and PA are not direct ranking factors used by Google, they are useful metrics for understanding and improving your site’s SEO performance