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- Search Engines
-- Search Engine Spider and User Agent Identification
---- AVG Toolbar Glitch May Be Causing Visitor Loss
incrediBILL - 11:52 pm on Mar 31, 2008 (gmt 0)Thread source:: http://www.webmasterworld.com/search_engine_spiders/3615360.htm
I'm not 100% positive (99.9999%), but the lack of a space after the ";" in ";1813" probably means it's an invalid MSIE user agent in the first place.
What it does, I'm not sure.
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