DragonLink Score is a number logarithmically scored from 0 to 100 measuring the strength of the internal links of each URL on your site. It is our implementation of the PageRank algorithm for internal links on your site.

Why it is useful

DragonLink Score can help you understand your site's structure, how search engines visualize your site as they crawl it, and identify any potential internal linking or site architecture issues. Example use cases are:

  • Prioritize which URL should be fixed first (or at all).

  • Consider redesigning the entire internal linking structure and information architecture of the site when high-value pages are assigned with low DragonLinks Scores (or low-value pages with high DragonLink Scores).

  • Identify high-value pages with low DragonLink Scores. Consider adding more internal links to these URLs from pages with high DragonLink Scores.

  • Take a look at URLs with high DragonLink Scores, and evaluate the outbound links on this page. As this page will pass the value on to each link on the page, consider adding new links to other pages you want to increase the value of or removing links of those that are less important.

  • Look for URLs with a high DragonLink Score that doesn't offer much value to site visitors or search engines. Consider potentially reworking your internal linking structure to change the link focus off of these pages and on to URLs with more value.

Available places

DragonLink Score is available in the Site Auditor, where it's used to help sort and prioritize which URLs should be fixed first.

It's also available in the Site Explorer as the default sort order for all URLs.

You can also find DragonLink Score in all crawl exports.


In addition to the basic concepts of PageRank, additional rules are included to model how Google and other search engines treat internal links:

  • Redirected URLs will pass their value on to their targets, but will have a score of 0 themselves.

  • The same is also true of non-canonical URLs — if the canonical target points to a different page, the value will flow onto the target but will be 0 for the non-canonical page.

  • Links with the rel="no-follow" attribute will not pass value.

  • Only HTML content will be included in the calculation. PDFs, images, and other types of files will be ignored.

  • Only unique links will be included in the calculation, so only one link from each source URL to the target URL will be counted.

  • URLs will follow common normalization rules (such as sorting parameter order and removing fragments) before being included in the calculation

  • Links from a source URL back to itself will be ignored.

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