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Old 9th February 2018, 03:30 PM   #2
Logan
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Join Date: Jun 2004
Location: Colorado
Posts: 8,047
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No, it's optional. Excluding pages from being indexed will have an impact on rankings, or an incorrect file. But not having a robots.txt file isn't going to hurt or help your rankings. More at http://www.robotstxt.org/

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