Are you a SEO professional? We have come up with this knowledge rich post which will help you to understand the working of search engine and get exciting search rank results. Do you know the whole SEO process starts with a crawler, which refers to a bot or software program used by search engines to systematically browse and index web pages on network? What is a crawler? A crawler also known as spider is responsible for discovering new pages, updating existing pages and collection information about the content and structure of a website. The crawler visit some known web pages and discover the internal links present on that page. This whole process is known as Web Crawling. The primary role of a crawler is to visit and analyze the content and meta data of the webpage so that it can understand the topics, keywords and quality. This information is used by Google search engine for indexing and determining its ranking in SERPs. The more your website is...