Google Improves Parameter Handling For Faceted Navigation Control

Oct 11, 2010 - 8:32 am 2 by

About a week ago, we reported on the new percentage change reporting in the Google Webmaster Tools query report. As a side note to that, I mentioned the parameter handeling feature was moved to a new section. I did not notice that new features were added to the parameter handeling tool.

Google wrote about the changes and explained what is new for parameter handling. Google is basically giving us more control over SEO issues with faceted navigation and more. Google said:

You now have the ability to choose a specific value among the known values for a given URL parameter. This is important when a parameter is relevant to the content, but different values of this parameter lead to similar pages. For example, consider a sorting parameter, like “sort-by” in the following URLs:

http://example.com/shop.php?category=candy&sort-by=asc-price&page=1 http://example.com/shop.php?category=candy&sort-by=desc-price&page=1 http://example.com/shop.php?category=candy&sort-by=asc-price&page=2 http://example.com/shop.php?category=candy&sort-by=desc-price&page=2

These four URLs show products in the candy category. There are enough items in this category to fill two pages, and the products shown can be sorted by price, in ascending or descending order. Selecting action “Ignore” for parameter “sort-by” would be incorrect and could potentially limit our indexing of the site. This is because, after ignoring “sort-by”, we would consider the first two URLs equivalent and may choose to index the URL with ascending sort order. We would also consider the last two URLs equivalent and may choose to index the URL with descending sort order. In this scenario, we would be indexing the candy category inconsistently, with some candy products appearing in both of the pages selected for the index, while other candy products not appearing in either of them. The right solution comes from the new action “Use specific value” now available in Webmaster Tools. To avoid duplicates but still keep our indexing consistent, you can simply select action “Use specific value” for parameter “sort-by” and choose one of the valid values, say “asc-price”. After this, our indexing would be fully consistent, as we would focus only on the pages with products sorted by ascending price.

Here is a picture:

parameter-handling

Vanessa Fox wrote about it at Search Engine Land and Tedster said in a WebmasterWorldthread, "I find this to be a thoughtful addition to the box of tricks offered in Webmaster Tools."

Forum discussion at Sphinn & WebmasterWorld.

 

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