Cloaking

Cloaking
(called cloak - hide, hide) - one of the methods of Black SEO, which
basically means that the same page presents other content crawlers, and
other users.
This method simplifies the positioning to achieve high position in
search results, and at the same time the user gets niezaspamowaną site
with content addressed to him.

Identification of the visitor's side (if it is a robot or user) and to
identify what information is displayed at any given time are made on the
basis of the IP address or User Agent.
Cloaking is picked up by search systems as SPAM, which pollutes the search engine database. Where a case is detected illegal substitution sites can be imposed upon it by the search engine penalties.

Aims use cloakingu
It is generally believed that cloaking is used only to lying to the search engines.
The most glaring example of this is the positioning of the key phrases
that can be achieved quickly and showing TOP Internet users completely
different content, intentionally full of ads, links do not meet user
expectations. It is worth noting that there are also other reasons cloakingu technique is used, among other things:

Some well-known websites use cloakingu to use their resources for users was simpler. For example, Google opens its home page in version tailored to the user's location and the language used by him.

Other applications

• 
  protection of content from theft - users see a different code than the
  one that the site owner wants to protect from being copied;


• 
  user orientation - for example, the method takes into account cloakingu
  settings in your browser and displays the content in that language,
  which is set in the browser;


• geo targeting - displays relevant content based on the user's location, which is determined by IP address;


• 
  the behavior of the template, by using technologies that are not
  noticed by search engine spiders when indexing (javascript elements) -
  the machines showing the indexing pages are identical to the originals
  in terms of structure and content, but presented in a clear way for them
  (eg links text in navigation).