What is a backlink lookup?

One request to the backlink data, of up to 1,000 links or domains. Updating a website’s backlinks and referring domains uses 2; the link gap uses 1 per competitor. Professional includes 25 a month and Agency 50, and the Backlink lookups add-on adds 100 more for $15 a month. They reset on the 1st. Free doesn’t include backlink data, but you can still add or import links, and the weekly re-check and audit work on those.