crawl verb (MOVE) ​ B2 [ I ] to move slowly or with difficulty, especially with your body stretched out along the ground or on hands and knees: The child crawled across the floor. The baby was crawling around on its hands and knees.

In the SEO world, crawling means following your links and “crawling” around your website. When bots come to your website (any page), they follow other linked pages also on your website.

This is one reason why we create site maps, as they contain all of the links in our blog and Google’s bots can use them to look deeply into a website.

When Google visits your website for tracking purposes. This process is done by Google’s Spider crawler.

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