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Url structure for multiple search filters applied to products
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We have a product catalog with several hundred similar products. Our list of products allows you apply filters to hone your search, so that in fact there are over 150,000 different individual searches you could come up with on this page. Some of these searches are relevant to our SEO strategy, but most are not.
Right now (for the most part) we save the state of each search with the fragment of the URL, or in other words in a way that isn't indexed by the search engines. The URL (without hashes) ranks very well in Google for our one main keyword. At the moment, Google doesn't recognize the variety of content possible on this page. An example is:
http://www.example.com/main-keyword.html#style=vintage&color=blue&season=spring
We're moving towards a more indexable URL structure and one that could potentially save the state of all 150,000 searches in a way that Google could read. An example would be:
http://www.example.com/main-keyword/vintage/blue/spring/
I worry, though, that giving so many options in our URL will confuse Google and make a lot of duplicate content. After all, we only have a few hundred products and inevitably many of the searches will look pretty similar. Also, I worry about losing ground on the main http://www.example.com/main-keyword.html page, when it's ranking so well at the moment.
So I guess the questions are:
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Is there such a think as having URLs be too specific? Should we noindex or set rel=canonical on the pages whose keywords are nested too deep?
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Will our main keyword's page suffer when it has to share all the inbound links with these other, more specific searches?
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Hey, that sounds fairly solid. let me know how you get on.
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Thanks for the links and the advice, Marcus.
I think after reading through the material I will meta noindex any search that has more than one search filter applied. So I'll index "blue" or "vintage" but not "vintage/blue" for instance. The most important top level search filters will become category pages, more or less. I'll try to tailor their content to reflect their importance. Thanks for your input!
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Hey,
Certainly, if you could potentially create 150,000 search result pages from only 200 or so products, then you are straying into the ground of near duplicate pages and what is often known as 'search within search'. As you stated, chances are not only could these pages be problematic in themselves, they may drag down other pages.
My advice here would be to try and tie this to your search marketing and keyword research. Look at the actual terms that get searched for and consider some pages that may be useful. Then, if you don't have a page for this, then consider creating maybe tags or categories for these few (certainly less than 150,000) pages and supplement these pages with some additional unique content if there is duplication with other categories.
In fact, try to keep the duplication as low as possible and also try to stick to best practice with those search category pages (canonical, prev next, show all page etc).
Certainly have the search, but I would most likely hide it from search engines and noindex the deep search pages but supplement these with some category pages and/or content pages as tied to your keyword strategy.
Some interesting reading:
http://www.mattcutts.com/blog/search-results-in-search-results/
http://www.seomoz.org/blog/fat-pandas-and-thin-content
Alternatively, you could always tinker, and have a go, and then put things back, but odds are, this approach is just creating nearly 150,000 near duplicate pages which are exactly the kind of pages they are currently trying to remove from the index so your main landing pages may end up being collateral damage.
Hope this helps!
Marcus
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