What Is Link Juice in SEO? How PageRank Flows Between Pages

Most SEO conversations about backlinks focus on volume — how many links a site has, how quickly it's acquiring them, which competitors have more. What gets far less attention is how the value from those links actually moves through a website once they land. A link from a high-authority domain does not automatically make every page on your site stronger. Where that link points, how your internal pages connect to each other, and whether certain pages are inadvertently blocking authority from flowing — these details determine whether your link profile actually translates into rankings.

Understanding what is link juice in SEO is the foundation for making those decisions intelligently, rather than by instinct.

If you're looking for expert help in this area, explore how Indexed's link building services can drive measurable results for your business.

What Is Link Juice in SEO?

Link juice is the informal term for what Google's documentation and the broader SEO industry more formally calls link equity. When one page links to another using a standard, crawlable hyperlink, it passes a portion of its authority to the destination page. That transferred authority is link juice.

The concept originates from Google's original PageRank algorithm, which treated links as votes of confidence between pages. A page with many high-quality links pointing to it was considered more trustworthy and authoritative — and those pages, in turn, passed more authority when they linked outward to others.

The term "link juice" has never appeared in Google's official documentation; it emerged as practitioner shorthand. But the underlying mechanism — that links carry measurable authority signals between pages — is well-established. Google's own explanation of how search works confirms that links remain one of the most important signals the algorithm uses to determine relevance and authority.

Dofollow vs. Nofollow Links

Not every link passes juice. A standard hyperlink — often called a dofollow link — passes equity freely. A link carrying the rel="nofollow" attribute instructs search engines not to follow it and, by Google's current guidance, does not pass PageRank. Links tagged with rel="sponsored" or rel="ugc" (user-generated content) are treated similarly.

This distinction matters when auditing your backlink profile. A site may appear to have hundreds of inbound links, but if the majority carry nofollow attributes, the actual equity flowing in may be considerably lower than the headline number suggests.

What Determines How Much Equity a Link Passes?

Link juice is not uniform. The amount a link passes depends on several interconnected factors.

The Authority of the Linking Page

A link from a page that itself has strong authority — because other high-quality pages link to it — passes more equity than a link from a low-authority page. This is the compounding nature of PageRank: authority is earned, and earned authority amplifies what you can give others.

Number of Outbound Links on the Page

A page's total equity is divided across all of its outbound links. If a high-authority page links to 200 other pages, each of those links carries a fraction of the available equity. The same page linking to only five destinations passes significantly more to each of those five. This is why a contextual mention within a focused editorial piece is typically more valuable than a placement in a sprawling resource directory.

Topical Relevance

Google's systems have grown considerably more sophisticated about context. A link from a page whose content is closely related to the destination page's topic carries stronger relevance signals alongside its authority. A financial services firm receiving a link from a respected personal finance publication will likely see stronger equity transfer than a link from an unrelated lifestyle blog with a similar domain authority score.

Link Placement Within the Page

Links buried in footers, sidebars, or site-wide navigation areas are generally considered less valuable than links appearing within the body copy of a page. Contextual links — those embedded naturally within relevant written content — carry stronger signals because they indicate editorial intent rather than automated placement.

The Part Most Sites Get Wrong: Internal Link Juice Distribution

This is where many businesses leave significant value on the table, and it rarely comes up in standard competitor coverage of the topic. Acquiring backlinks is the external half of the link equity equation. The internal half — how that equity moves through your site once it arrives — is equally important, and far more within your direct control.

When an authoritative external page links to your homepage, your homepage accumulates equity. But if your homepage links primarily to top-level category pages, and those category pages link only to each other, deep content pages — your service pages, your case studies, your high-intent conversion pages — may receive very little of that equity. They are too many hops from the original source.

The Crawl Depth Problem

Pages that sit three, four, or five clicks away from the homepage tend to receive diluted link equity regardless of how strong your external backlink profile is. If your most commercially valuable pages are buried deep in your site architecture, external authority may never reach them in meaningful amounts.

A practical audit approach: identify your ten most commercially important pages, then map the internal path from your homepage to each. If any require more than three clicks to reach, there is likely an internal linking opportunity being missed.

Orphaned Pages and Equity Dead Ends

Orphan pages — pages that no internal link points to — receive no internally distributed equity at all. Google may discover them via sitemaps, but they operate in isolation from your site's authority graph. This frequently happens with older blog posts, legacy landing pages, or content created during campaigns that were never properly integrated into the site structure. Identifying and internally linking to these pages can yield ranking improvements without acquiring a single new external link.

PageRank Sculpting: What It Was and Why It No Longer Works

Between roughly 2007 and 2009, a practice called PageRank sculpting became popular. Webmasters would apply rel="nofollow" to certain internal links — links pointing to pages they considered less important, such as login pages or legal disclaimers — with the intention of concentrating equity onto their priority pages.

Google's Matt Cutts addressed this directly in 2009, explaining that nofollowing internal links does not redistribute the equity to other pages — it simply wastes it. The equity that would have flowed through the nofollowed link evaporates rather than being redistributed. After this clarification, PageRank sculpting as a deliberate tactic became largely obsolete.

The practical implication today: do not use nofollow on internal links as an authority management strategy. If a page is not worth linking to, consider whether it should exist at all. If it should exist, link to it normally and rely on site architecture rather than link attributes to guide how authority flows.

Practical Steps for Managing Link Equity Across Your Site

Understanding the concept is useful. Applying it to a live site requires a structured approach. The following are specific actions worth prioritising.

Identify Where External Authority Enters Your Site

Using a tool such as Ahrefs or Moz Link Explorer, identify which pages on your site attract the most external backlinks. These are your authority entry points. From these pages, trace the internal links outward. Are they routing equity toward your highest-priority content, or toward low-value pages that serve no commercial purpose?

Build Deliberate Internal Links From High-Authority Pages

Once you know which pages hold the most equity, add contextual internal links from those pages to the priority content you want to rank. A well-placed internal link within a popular blog post — one that already benefits from strong external links — passes meaningful equity to a service page that may have few external links pointing to it directly.

Fix Broken Internal and Inbound Links

Broken links are equity dead ends. When an external site links to a URL that no longer exists and returns a 404 error, that equity is lost. When internal pages link to deleted or redirected pages without proper 301 redirects in place, equity is diluted. A regular crawl using a tool such as Screaming Frog will surface these quickly. Fixing them is among the highest-return technical SEO tasks available.

FAQ

Does link juice still matter now that Google's algorithm is so complex?

Yes. Google has confirmed that links remain one of the three most important ranking signals, alongside content and RankBrain. The mechanisms have grown more nuanced — topical relevance, link context, and quality thresholds matter more than they once did — but the fundamental principle that authority transfers between pages via links remains current and significant.

Can I pass link juice through redirects?

A 301 (permanent) redirect passes the majority of link equity to the destination URL. Google has confirmed this, though there may be some minor dilution in practice. A 302 (temporary) redirect is less reliable for equity transfer. When consolidating old pages or migrating a site, using 301 redirects is essential to preserve accumulated link equity.

Does social media sharing pass link juice?

No. Links shared on social media platforms — Facebook, LinkedIn, X (formerly Twitter) and others — carry rel="nofollow" attributes by default, meaning they do not pass PageRank. Social sharing can drive traffic and increase the visibility of content, which may indirectly attract editorial backlinks, but social links themselves do not directly contribute to link equity.

How many internal links should a page have to maximise equity flow?

There is no universally correct number. Google has suggested that pages with an excessive number of internal links may see the value per link diminish, and that crawlers may not follow every link on extremely link-heavy pages. As a practical guideline, prioritise contextual relevance over volume — link to pages where the connection genuinely serves the reader, and avoid generating internal links programmatically without editorial judgement.

Related Reading

• Paid vs Editorial Backlinks: What Builds Authority
• What Makes a High-Quality Backlink? (And What to Avoid)
• What Is Topical Authority and How Do You Build It?
• Why Does SEO Still Matter in 2026?
• What Are Common SEO Mistakes?