Posted: 12 Feb 2014 03:33 AM PST
Webmaster Level: Advanced
Faceted navigation, such as filtering by color or price range, can be helpful for your visitors, but it's often not search-friendly since it creates many combinations of URLs with duplicative content. With duplicative URLs, search engines may not crawl new or updated unique content as quickly, and/or they may not index a page accurately because indexing signals are diluted between the duplicate versions. To reduce these issues and help faceted navigation sites become as search-friendly as possible, we'd like to:
Selecting filters with faceted navigation can cause many URL combinations, such as
Worst (search un-friendly) practices for faceted navigation
Worst practice #1: Non-standard URL encoding for parameters, like commas or brackets, instead of "key=value&" pairs.Worst practices:Worst practice #2: Using directories or file paths rather than parameters to list values that don't change page content.
Best practices for new faceted navigation implementations or redesigns
Best practices for existing sites with faceted navigation
Remember that commonly, the simpler you can keep it, the better. Questions? Please ask in our Webmaster discussion forum.
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