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Multiple values for single url parameter

10:51 am on Jul 8, 2016 (gmt 0)

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I am looking at allowing only certain url parameters via Google Webmaster Tools > Url Parameters.

Basically, I want to allow a few chosen multiple values of a single parameter and block any other.

Allowed: (Single Color)


Disallow: (Multiple Colors Combination)


To set these parameters via GWT, I will have to add the parameter along with its different values separated by comma. I will have to use the following setting "Only URLs with value".

So assuming that I want to allow only 50 single colors type urls, I will have to add them comma separated. Is that ok and fine? So something like colour = red,blue,green

I have also handled it via canonical tags in the page head, but I also want to handle it via the URL Parameters in GWT.
6:04 pm on July 8, 2016 (gmt 0)

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WebmasterWorld Senior Member lucy24 is a WebmasterWorld Top Contributor of All Time 5+ Year Member Top Contributors Of The Month

joined:Apr 9, 2011
votes: 869

Before you go any further:

What happens if a random passing human (or an overly inquisitive robot) requests one of those multi-color-hyphenated forms? Is this hypothetical, or does it actually happen on a regular basis?