What is backlink gap?

A backlink gap analysis finds the websites that link to your competitors but not to you. Because backlinks remain a core ranking signal, a rival’s link profile largely explains their search visibility — and the overlap of sites linking to several competitors is a pre-validated prospecting list: those sites demonstrably link out to products like yours.

It is the off-page sibling of keyword gap analysis: keyword gaps show where competitors out-rank you, backlink gaps usually explain why. The refinement that matters is quality over count — a handful of links from category directories, comparison articles, and industry publications outweighs hundreds of scraped mentions.