DA (Domain Authority) and PA (Page Authority) are metrics developed by Moz, a popular SEO software company, to assess the authority or credibility of websites and individual web pages.
These metrics are not used by search engines like Google to rank websites but are valuable tools for SEO professionals to understand the strength and potential performance of a site or page.
Here’s what they mean:
1. **Domain Authority (DA)**:
DA measures the overall authority or trustworthiness of an entire domain (e.g., example.com). – It is calculated on a scale from 1 to 100, with higher scores indicating a stronger and more authoritative domain. – Factors that influence DA include the number and quality of backlinks pointing to the domain and the domain’s overall link profile. – A higher DA suggests that the domain is more likely to rank well in search engine results.
2. **Page Authority (PA)**:
PA assesses the authority or strength of individual web pages within a domain. – Like DA, it is scored on a scale from 1 to 100, with higher scores indicating more authoritative pages. – PA considers factors such as the quality and quantity of backlinks pointing to the specific page and its overall optimization.
– A higher PA suggests that a particular page is more likely to rank well for its targeted keywords.It’s important to note that DA and PA are relative metrics.
They provide a comparative assessment of websites or pages within Moz’s index but do not reflect how well a site or page will rank in search engine results pages (SERPs). Other factors, such as on-page SEO, content quality, user experience, and search engine algorithms, play a more direct role in rankings on platforms like Google.
SEO professionals often use DA and PA as part of their SEO strategy to identify potential link-building opportunities and gauge the competitive landscape.