One of the biggest threats to Google’s dominance will doubtfully be a competing search engine, at least for the time being… No, if you had to narrow it down, the biggest threat will probably come in the form of search result spam – the main reason Google’s engineers have paid so much lip-service to cleaning up their organic results.
JavaScript: Redirecting URL
Whenever you want to generate dynamic pages you often have to resort to using some server side scripting language such as PHP or ASP.
Redirecting a Page Using PHP
Redirecting a page in PHP is an easy task. You can use the PHP Header method to redirect a visitor to a new page. The header() method is used to send HTTP headers back to the browser. The headers can be sent back to the browser only if there’s no content or error messages shown in the page.