Introduction - If you have any usage issues, please Google them yourself
Spider "(Spider) is the Internet, a very useful procedure, the search engine spider programs will use to collect Web pages to the database, business process using spider to monitor a competitor s site and track changes in individual users to download Web pages using spider programs to off machine use, developers use Web spiders scan your check invalid links ... ... for different users, different use spider programs. So in the end is how the spider program work?
Spider is a semi-automatic procedure, as the reality of which the spider in its Web (web) on the same trip, spider also follow a similar approach in the Web link woven into the online travel. Spider is a semi-automatic procedure is, because it always requires an initial link (starting point), but then the operation will start from its own decision, and the spider program will scan the start page contains the link, and then visit these links point to the page, and then analyze and track those pages contain links. In theory, the