CSS font stacks, developer FAQs & web standards
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A: Yes, it is possible to get the referring search engine query, if the browser exposes the document.referrer property, which is the URL of a page that links to the current page. For security reasons, some browsers allow users to control whether referring page information is available. The complete example below solves several significant technical and other security issues to obtain a clean, plain text copy of the original keyword phrase:
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Can I use Javascript to get entrance keywords from a search engine?
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