Definition of Splash Page
Splash pages are web pages that act as stylized "doorways" to a site that provide a highly tailored message to new visitors. They are different from typical home pages in that they usually have an "enter" button or equivalent.
There are several significant downsides to the use of splash pages, the most notable being that users find them annoying and may leave your site or choose not to revisit it later. Others are that they can harm SEO efforts, they often rely on technology that not all users have, and their development often highlights weaknesses of the rest of the site that should be handled in other ways. Consider that search engines will bring users to the specific page of your site that is most appropriate to their query, so the development of a splash page is wasted effort for these visitors.
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