Domain authority is a number between 0 and 100 that Google uses to rank websites in their search engine results pages (SERP). The higher your domain authority, the better your chances of ranking for competitive keywords. There are many factors that contribute to your domain authority score, including the age of your website, the number of backlinks you have, and the quality of those backlinks.

DA is a metric created by Moz, which ranges from 1 to 100, with higher scores indicating a greater ability to rank in search engines.

Domain Authority Checker is a simple, easy-to-use tool that can help you determine the strength of your website's domain. By checking your domain authority, you can get an idea of how well your site will perform in search engine results pages (SERPs).