| Invisible
Definition: Invisible text is implemented in a variety of ways in an effort to increase the frequency of keywords in the body text of a web page. Some of the implementation methods are: making text the same color as the background of the web page, hiding text behind layers, placing text at the very bottom of over-sized pages, etc.
This tactic is perilously old and obvious to search engine spiders. It constantly amazes me when a web site utilizes these methods for placement. Invariably, placements are the last thing that a webmaster will get when using this tactic. Invisible text had its heyday from 1995 to 1999. This not to say that invisible text didn’t work after 1999 but the majority of web sites were not using it by this time as the search engines began implementing automated methods of detection and penalization.
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