Links from other websites which are coming back to your site are the back-links. The popularity of your website varies with the number of links present on the website. Higher the number of links more is your rank in the search listings. Back-link has been added in the PR algorithm to promote linking of the [...]

Search Engine Spiders that comb the World Wide Web in search of relevant web pages are gritty soldiers that are not easily influenced. Their job is to rank pages according to their importance. These search engines are fast movers and any modification you make to the web page is instantly noticed and recorded by them. [...]