A crawler (also known as a spider or robot) is a program That collects and gathers data on a website, along with following links to add into the database of a search engine. Having crawlers in a website mean that the website receives search traffic, which helps a website appear in search results.
Sean Si is a Filipino motivational speaker and a Leadership Speaker in the Philippines. He is the head honcho and editor-in-chief of SEO Hacker. He does SEO Services for companies in the Philippines and Abroad. Connect with him at Facebook, LinkedIn or Twitter. Check out his new project, Aquascape Philippines