Research

We only publish what we can measure.

No algorithm-update recaps, no rewritten press releases. Every piece here is built on data we produce ourselves — a web graph of 236.7M domains and 7.12B links, and real search volumes.

2026-08-126 min

What automated link building actually builds

We measured the referring domains of 70 SEO tools against a 7.12-billion-link graph. The tools that automate link building have the weakest link profiles of all.

Dataset

The SEO Tool Authority Index

70 tools, measured. Free to cite under CC BY 4.0.