Link Juice

Link juice is the informal, slightly dated nickname SEO practitioners give to the ranking value that flows from one page to another through a hyperlink. The idea rests on how search engines have long worked: a link from one page to another is treated partly as a vote of confidence, and pages that earn many links from trusted sources tend to rank better. When page A links to page B, some of A's authority is understood to pass to B — that passed value is the link juice. A link from a highly trusted, relevant page carries a lot of it; a link from an obscure or low-quality page carries little; and a link marked so that search engines should not count it as an endorsement passes essentially none. The more formal, preferred term for the same concept is link equity.

Because it is a metaphor rather than a measured quantity, link juice is a way of talking about link equity, not a number you can read off a dashboard. Search engines never publish how much value any given link passes, and the underlying models are far more subtle than juice pouring through a pipe — relevance, trust, context, and the linking page's own standing all shape how much a link counts. Still, the metaphor endures because it captures a real truth: links are among the strongest signals search engines use, and not all links are equal. A single link from a genuinely authoritative, topically relevant page can lift a page's ranking more than dozens of weak or irrelevant ones.

It helps to line up three overlapping terms. PageRank is the original, formal algorithm — a specific mathematical model of how authority flows through the web's link graph, where each link passes a share of the linking page's score. Link equity is the general, respectable term for the ranking value a link passes, whether or not any particular algorithm is meant. Link juice is the informal, colloquial nickname for that same passed value — the word practitioners reach for in conversation and blog posts. So PageRank is a named algorithm, link equity is the professional concept, and link juice is the slang. Preferring link equity in serious writing signals that you know the metaphor is a simplification, and that modern ranking depends on far more than a single flow-of-value model.

The distinction matters because the crude, plumbing-style intuition behind link juice can mislead. In the early metaphor, a page had a fixed pool of juice that split evenly among its outbound links, so people obsessed over hoarding it — hiding links, sculpting where it flowed, buying links to accumulate more. Search engines have spent years penalizing exactly those manipulations. Today, whether a link helps depends heavily on relevance, editorial trust, and whether the link was earned or engineered, not on a simple arithmetic of juice. Treating link equity as the value a genuinely relevant, trusted page confers when it chooses to link to you is far closer to how ranking actually works than imagining a fixed tank of juice being poured and rationed.

The sound way to build link equity is to earn links, not manufacture them. Publish content, tools, research, or resources genuinely worth citing, and relevant, trusted sites will link to you because doing so serves their readers — those editorial links from authoritative, topically related pages are the ones that pass real value. Internal linking matters too: thoughtfully linking your own pages helps search engines find and weigh them and distributes equity to the pages you most want to rank. Relevance and trust do the heavy lifting, so a handful of links from respected sites in your field outweigh a pile of links from unrelated or low-quality ones. Think in terms of deserving links, and the equity follows.

The failures are the manipulations search engines have spent years punishing: buying or trading links to accumulate juice, spamming links across unrelated sites, and obsessively sculpting internal flow while ignoring whether the content deserves links at all. Chasing the quantity of links over their quality, or treating link juice as a fixed substance to hoard rather than value that trusted pages confer, both misread how ranking works and invite penalties. The discipline is to earn link equity through genuinely link-worthy work and clean internal structure, prizing relevance and trust over volume, and to treat link juice as the informal shorthand it is — a vivid but simplified name for a signal that rewards being worth linking to.

Link juice — the informal nickname for the link equity, or ranking value, a page passes through a hyperlink — endures from PageRank-era SEO, though relevance and editorial trust, not a fixed pool, decide how much a link counts.

Etymology: source.

Search interest for this term over the last five years:

View interest-over-time on Google Trends →

Areas of marketing where link juice is a core concern: