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Ranking in search engines requires a website with flawless technical SEO and great, relevant content. Luckily, the Yoast SEO plugin takes care of (almost) everything on your WordPress site. Still, if you really want to get the most out of your website and keep outranking the competition, some basic knowledge of technical SEO is a must. In this post, we’ll explain one of the most important concepts of technical SEO: crawlability.

What is the crawler again?

A search engine like Google consists of a crawler, an index, and an algorithm. The crawler follows the links. When Google’s crawler — also known as Googlebot — finds your website, it’ll render it, read it and save the content in the index.

A crawler follows the links on the web. A crawler is also called a robot, a bot, or a spider. It goes around the internet 24/7. Once it comes to a website, it saves the HTML version in a gigantic database called the index. This index is updated every time the crawler comes around your website and finds a new or revised version of it. Depending on how important Google deems your site and the number of…

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