What are doorway pages?

[kundancab]

Doorways are site is a website or page that ranks higher for a specific search query. They are bad for users because they may cause multiple similar pages to appear in the user's search results, and eventually each result will take the user to essentially the same destination.

[jesica]

doorway pages are pages that have been optimised to rank highly on the search engines for one or two particular keywords.

[godwin]

Doorway pages are web pages that are created for the deliberate manipulation of search engine indexes. A doorway page will affect the index of a search engine by inserting results for particular phrases while sending visitors to a different page.