Why backlinks are important to SEO ?
First, the external links that lead to your website help search engines discover new pages. To master how it works, you must understand the crawling process before your site ranks in search results:
Crawling is a process of detecting and collecting new and updated pages to add to the search engine index. A crawler is a search robot that systematically browses the Internet and compares the URLs found with those that already exist in the index.
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