Cloaking is a black hat search engine optimization technique in which content presented to the search engine robot or spider, is different from that which a visitor sees.

A Landing Page is a web page that is setup for a specific advertising campaign such a pay per click. Some SEO and marketing firms create web pages for the purposes of Search Engine Optimization and refer to them as Landing Pages. In reality these types of pages are not actually Landing Pages and are actually Doorway Pages.