What is the concept behind DA, PA, DR, UR, TF, and CF in SEO?

concept behind da pa

The following article will make you understand the concept behind DA, PA, DR, UR, TF, and CF.

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What Is Concept behind DA PA In SEO?

Concept behind DA PA

  • DA (Domain Authority)

DA is the abbreviation of Domain Authority. It is defined as the search engine ranking score that measures how successful a site is on SERPs (search engine results page).

Domain Authority is developed by a well-known software developing company MOZ and it measures the predictive ranking strength of whole domain and subdomains.

In simple words, we can say that Domain Authority tells you how likely a site is to rank on SERPs

What is good domain authority?

Generally, it is said that a website with a large number of high-quality links is considered at the top of the Domain Authority scale so is called a good Domain Authority. Whereas a website with a less number of inbound links has a very low DA score.

How is DA scored?

DA PA score

DA score ranges from 1 to 100. Higher scores lead to having a greater ability to rank. It’s easy to grow your score from 20 to 30 as compared to grow from 70 to 80.

 How Domain Authority is calculated?

DA is calculated by evaluating multiple factors including inbound links and root domains. The first is more important in calculating the score, as a higher amount of inbound links from relevant and authentic sites leads to a higher website score.

  • What Is PA (Page Authority)?

PA is the abbreviation of Page Authority. Just like Domain Authority tells the ranking strength of the whole domain, page authority does the same for a single page.

For both DA and PA, the metrics are calculated using the same methodology. So, there is not much difference between both of them.

Good Page Authority

The pages with more powerful and important links than other pages are considered having good page authority.

How is Page Authority scored?

PA is scored on a 100-point logarithmic scale. Like DA, it is easier to increase score from 20 to 30 than from 70 to 80.

What is the concept behind DR and UR in the world of SEO?

DR is the short form of Domain Rating and UR is the abbreviation of URL Rating. These are the metrics of Ahrefs used to rate the backlink profile of a site.

Both the metrics are useful to improve your site’s performance on Google’s SERPs

Domain Rating (DR)

DR shows the strength of the total backlink profile of a target website. Simply speaking, it is used to measure the quality and quantity of the backlinks pointing to an entire domain.

Domain Rating’s purpose is to assess the “relative link popularity” of a given site. This is an important metric to estimate a site’s ability to get search traffic from Google.

How to calculate Domain Rating?

The DR of a given website, according to Ahrefs’ own website, is calculated in the following way:

  • Look at how many domains have at least one do-follow link to the target website;
  • Take into account the DR values of those linking domains;
  • Take into account how many domains each of those sites link to;
  • Apply some math and coding magic to calculate “raw” DR scores;
  • Plot these scores on a 0-100 scale (which is dynamic in nature and will “stretch” over time).
  • URL Rating (UR)

URL Rating is almost the same as Domain Rating. UR tells the strength of a specific page’s backlink profile on a 100-point scale. So if you enter a site into Ahrefs’ Site Explorer and find it’s UR, the number you have in front of you will be for the homepage only.

While calculating this metric, both external and internal links are taken in account.

What does TF and CF mean in SEO?

TF (Trust Flow) and CF (Citation Flow) can be considered the new kids on the block, created by Majestic SEO. Google gives much importance to the metrics such as domain authority, Trust Flow, and Citation Flow as a ranking factors.

Under is the brief account on the definitions of both to make you understand about these Majestic metrics.

  • Trust Flow

Trust Flow shows the quality of links pointing to URLs and websites.

Majestic SEO collected a list of “trusted” seed sites while developing this metric. These seed sites serve as the foundation of TF. The closer a site is linked to a seed site, the higher its TF value will be.

Ahrefs vs. SEMrush

Why this metric is known as “Flow”?

Here is the explanation. As websites linked to each other, trust flows. Have a look on the following image. Site A links to site B, site B links to site C and so on.in this way trust flows through websites.

Trust Flow

The closer a site is linked to a seed site (B linked to A), the greater its TF will be.

What is a good Trust Flow (TF)?

According to Majestic SEO, Trust Flow is scored between the values of 0-100 based on a site’s quality. A web page with higher Trust Flow will have good quality links.

  • Typically, scores of 50 and higher is considered a great TF.
  • Scores of 11-49 is known as the average TF
  • A score of 10 or less than 10 is considered poor.
  • Citation Flow

Citation Flow is a trademark of Majestic SEO. It refers the popularity and quantity of a link pointing to a site without considering the quality of these links. It means CF doesn’t care whether a link is of bad quality or of good quality. So if a website with high CF but low TF link to your site, it will have a negative impact on the TF.

Citation Flow provides its services in conjunction with Trust Flow. Together the CF and TF form the Majestic Flow Metric algorithm.

Hope the above explanation will help you a lot.

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