Link Equity Dilution

Link equity dilution occurs when the PageRank or authority value flowing into a page is spread across a large number of outbound links, reducing the share passed to each individual destination. The concept originates in Google’s original PageRank formula, which divides a page’s rank equally among all links it contains. Practical sources of dilution include excessive navigation links on a single page, large footer link lists, link-heavy sidebars, and pages that aggregate hundreds of outgoing links without editorial prioritisation. Dilution can also happen internally when a site has many nearly-identical pages competing for the same signals. Common remediation strategies include limiting outbound links per page to those with clear editorial purpose, using the nofollow attribute on low-priority links, and consolidating thin duplicate pages to concentrate equity on the most authoritative version.