Common metrics used in backlink analysis. Here, I explain what each one means.

1. DR (Domain Rating): It is a metric developed by Ahrefs that indicates the strength and authority of a domain on a scale of 1 to 100. It is based on the quantity and quality of backlinks pointing to the domain.
2. UR (URL Rating): It is another metric by Ahrefs that evaluates the strength and authority of a specific page on a scale of 1 to 100. Like DR, it is based on the quantity and quality of backlinks pointing to that particular page.
3. PA (Page Authority): It is a metric developed by Moz that measures the authority of a page on a scale of 1 to 100. It is used to assess the likelihood of a page ranking well in search engines, based on factors like backlinks and other criteria.
4. DA (Domain Authority): Also developed by Moz, it is a metric that evaluates the authority and strength of a domain on a scale of 1 to 100. It is used to predict a domain’s ability to rank well in search results.
5. TF (Trust Flow): It is a metric developed by Majestic SEO that measures the quality and trustworthiness of links pointing to a website or page. It is based on the trustworthiness of the referring websites of the backlinks and helps assess the overall quality of a link profile.

To upgrade the punctuation levels in the categories, you will need to pay the difference between the levels of the DR, UR, DA, PA, and TF links.