Overview

Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. High Quality Content by WIKIPEDIA articles! Page Quality, or simply PQ, is a system used to rank websites on the internet based on their quality.Sites that use this service are enhanced by a small box which displays the site's current PQ and gives the visitor an option to review the site by casting a vote - from 1 to 5. The primary goal of the PQ initiative is to include the PQ rate into advanced search options in internet search engines where user could use it as a filter (e.g. return search results with PQ 3.5 or higher)

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