Quality Value / Qvalue

By: Dusty Arlia
Published on Friday, June 13, 2014, 09:09 PM
Last Updated on Tuesday, July 14, 2015 at 3:57 PM
Total Updates: 2

Many HTTP request header fields use a q parameter (case-insensitive) to assign a "weight" to a type of content. This weight is referred to as a "quality value" (or "qvalue"). The weight is a number in the range of 0 to 1, where 0.001 is the least preferred and 1 is the most preferred. A value of 0 means "not acceptable". If no q parameter is present, the default weight is 1. A qvalue must not have more than three digits after the decimal point.

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