The Linkwake blog
Original Common Crawl studies plus practical backlink reporting templates for agencies. Real numbers, reproducible methods, and assets you can put directly into client work.
Free backlink report template for SEO agencies
A free backlink report template for Google Sheets, including a completed GitHub example, executive-summary language, movement metrics, next actions, and a PDF-style client preview.
Get the template →Half the linked web has a single referring domain. The most-linked one has 17.7 million.
A data study of 4.34 billion referring-domain links across 118.8 million domains: the domains the open web links to most, how brutally concentrated link authority is, and why only ten of the top hundred are the kind of site you'd ever try to earn a link from.
Read the study →Referring domains are not links
A single referring-domain edge can hide thousands of link occurrences across source pages, target URLs, anchors, nofollow states, and technical noise. We broke one edge into its underlying evidence.
Read the study →GitHub gained 216,708 referring domains. It also lost 202,742.
GitHub's referring-domain total rose 1.9% between two Common Crawl releases, but 419,450 relationships changed underneath it. A look at why churn is worth reporting separately from the total.
Read the study →Put the research to work
Backlink monitoring guides for agencies
Start with the free backlink checker, learn how to build a competitor backlink gap, then turn the findings into a client-ready backlink report. For the full operating model, read our guide to backlink monitoring for agencies.