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  &lt;p&gt;This is where &lt;strong&gt;feature filtering&lt;/strong&gt; comes in. Unlike standard e-commerce navigation, where the customer can only choose from a hierarchy of links chosen by the retailer, &lt;em&gt;effective&lt;/em&gt; feature filtering allows the user to find their own route to a product, by combining features in different ways as they&#160;search the product range.&lt;/p&gt;
  &lt;p&gt;It is important to get&#160;filtering&#160;right, and there are many mistakes which can be made. For example, much depends on the quality of the product descriptions and&#160;the underlying metadata. This is an area where many e-commerce sites can make improvements.&lt;/p&gt;
  &lt;p&gt;For instance, in the last &lt;a href="http://econsultancy.com/reports/online-retail-user-experience-benchmarks-2006"&gt;Online Retail User Experience Guide&lt;/a&gt;, we found that &lt;a href="http://www.currys.co.uk/"&gt;&lt;strong&gt;Currys&lt;/strong&gt;&lt;/a&gt;&lt;strong&gt; omitted &lt;/strong&gt;&lt;strong&gt;an entire range of high-price Dualit toasters&lt;/strong&gt; when &lt;em&gt;&#8216;2 slice toasters&#8217;&#160;&lt;/em&gt;was selected, probably because their product description described them as &lt;em&gt;'1 or 2 slice toasters'&lt;/em&gt;. So much for synonyms!&lt;/p&gt;
  &lt;p&gt;To see the effectiveness of feature filtering, try searching for a pair of trousers on two big brand retail websites: Next and Marks and Spencer. &lt;/p&gt;
  &lt;p&gt;
    &lt;a href="/blog/974-m-s-launches-new-amazon-powered-website"&gt;Marks and Spencer's newly relaunched site&lt;/a&gt; makes use of feature&#160;filtering, while Next's website doesn't. &lt;/p&gt;
  &lt;p&gt;
    &lt;strong&gt;Compare the pain:&lt;/strong&gt;
    &lt;a href="http://order.next.co.uk/page.asp?b=X39&amp;amp;p=382&amp;amp;o=1"&gt;to&#160;find a pair of men's trousers on Next&lt;/a&gt;, you select 'menswear', then 'trousers',&#160;and are then presented with six pages of catalogue-style shots, with no means of filtering the results further. So you need to manually browse each page in turn. Hmmm....&lt;/p&gt;
  &lt;p&gt;
    &lt;a href="http://farm1.static.flickr.com/150/443702790_9b1b0d4f4a_o.jpg"&gt;
      &lt;img alt="Next trouser search" src="http://farm1.static.flickr.com/150/443702790_9b1b0d4f4a_o.jpg" /&gt;
    &lt;/a&gt;
  &lt;/p&gt;
  &lt;p&gt;By contrast, the use of feature filtering on M&amp;amp;S&#160;makes the search much easier, much faster, and enables the customer to &lt;strong&gt;eliminate results&lt;/strong&gt;. &lt;a href="http://www.marksandspencer.com/gp/search/ref=sr_nr_p_10_1/202-6280436-4776639?ie=UTF8&amp;amp;bannerAltText=Formal%20Trousers&amp;amp;isFromFinder=0&amp;amp;mnSBrand=core&amp;amp;bannerWidget=24357222&amp;amp;rh=n%3A43550030%2Cp%5F93%3A33in%20Inside%20Leg%2Cp%5F10%3ABlue&amp;amp;isBrowse=1&amp;amp;page=1"&gt;M&amp;amp;S allows you to filter your search &lt;/a&gt;by &lt;em&gt;size, style, colour, price, and more&lt;/em&gt;, making it a far better plaftorm for &lt;em&gt;relevant &lt;/em&gt;results. &lt;/p&gt;
  &lt;p&gt;
    &lt;a href="http://farm1.static.flickr.com/193/443702782_e8b8a03746_o.jpg"&gt;
      &lt;img alt="M&amp;amp;S trouser search" src="http://farm1.static.flickr.com/193/443702782_e8b8a03746_o.jpg" /&gt;
    &lt;/a&gt;
  &lt;/p&gt;
  &lt;p&gt;
    &lt;strong&gt;Here are our top tips for effective feature filtering: &lt;/strong&gt;
  &lt;/p&gt;
  &lt;ul&gt;
    &lt;li&gt;
      &lt;strong&gt;Ensure that product metadata is accurate&lt;/strong&gt;&#160;&#8211;any&#160;missing or inaccurate product description data will result in missing products and irrelevant search results. &lt;br /&gt;&lt;br /&gt;&lt;/li&gt;
    &lt;li&gt;
      &lt;strong&gt;Present relevant results only&lt;/strong&gt; - this means showing only products that are in stock and available for purchase. Customers will be frustrated if they find the item they want, only to realise it is unavailable. &lt;br /&gt;&lt;br /&gt;&lt;/li&gt;
    &lt;li&gt;
      &lt;strong&gt;Show the number of products&#160;matching&#160;the filter options&lt;/strong&gt; &#8211; as above, show only results which are available to buy. Also, show the number of products for each for each feature value that can be selected next. &lt;br /&gt;&lt;br /&gt;&lt;/li&gt;
    &lt;li&gt;
      &lt;strong&gt;Avoid returning &#8216;no matching products&#8217;&lt;/strong&gt; &#8211; this is guaranteed to annoy customers. One way to avoid this problem is to provide feedback after every new feature-selection.&#160;&#160;&lt;br /&gt;&lt;br /&gt;Letting customers select products on the basis of multiple criteria is a sure way to get lots of &#8216;no matching products&#8217;.&lt;br /&gt;&lt;br /&gt;&lt;/li&gt;
    &lt;li&gt;
      &lt;strong&gt;Show the features selected so far&lt;/strong&gt; &#8211; showing the selections a customer has made in their product search in a list or 'breadcrumb trail' will give the customer a shortcut back to any previous&#160;point in their selection history. &lt;br /&gt;&lt;br /&gt;In addition, customers should be able to remove or change certain product features without changing other selections, as they refine their search. &lt;br /&gt;&lt;br /&gt;&lt;/li&gt;
    &lt;li&gt;
      &lt;strong&gt;Show the customer that they are making progress towards a purchase&lt;/strong&gt; &#8211; this can be done by showing the number of matching products, and that they are reducing in number after each selection. &lt;br /&gt;&lt;br /&gt;Another way is to show selected features in a list, or allow customers to sort matching products in different ways so they can focus their attention on only the ones they are interested in. &lt;/li&gt;
  &lt;/ul&gt;
  &lt;p&gt;
    &lt;strong&gt;For more tips on feature filtering, see our &lt;/strong&gt;
    &lt;strong&gt;
      &lt;a href="http://econsultancy.com/reports/online-retail-user-experience-benchmarks-2006"&gt;Online Retail User Experience Benchmarks&lt;/a&gt; guide.&lt;/strong&gt;
  &lt;/p&gt;
</body-formatted>
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  &lt;Paragraph&gt;This is where &lt;Emphasis&gt;feature filtering&lt;/Emphasis&gt; comes in. Unlike standard e-commerce navigation, where the customer can only choose from a hierarchy of links chosen by the retailer, &lt;Quote&gt;effective&lt;/Quote&gt; feature filtering allows the user to find their own route to a product, by combining features in different ways as they&#160;search the product range.&lt;/Paragraph&gt;
  &lt;Paragraph&gt;It is important to get&#160;filtering&#160;right, and there are many mistakes which can be made. For example, much depends on the quality of the product descriptions and&#160;the underlying metadata. This is an area where many e-commerce sites can make improvements.&lt;/Paragraph&gt;
  &lt;Paragraph&gt;For instance, in the last &lt;Link URL="http://econsultancy.com/reports/online-retail-user-experience-benchmarks-2006" Window="New"&gt;Online Retail User Experience Guide&lt;/Link&gt;, we found that &lt;Link URL="http://www.currys.co.uk/" Window="New"&gt;&lt;Emphasis&gt;Currys&lt;/Emphasis&gt;&lt;/Link&gt;&lt;Emphasis&gt; omitted &lt;/Emphasis&gt;&lt;Emphasis&gt;an entire range of high-price Dualit toasters&lt;/Emphasis&gt; when &lt;Quote&gt;&#8216;2 slice toasters&#8217;&#160;&lt;/Quote&gt;was selected, probably because their product description described them as &lt;Quote&gt;'1 or 2 slice toasters'&lt;/Quote&gt;. So much for synonyms!&lt;/Paragraph&gt;
  &lt;Paragraph&gt;To see the effectiveness of feature filtering, try searching for a pair of trousers on two big brand retail websites: Next and Marks and Spencer. &lt;/Paragraph&gt;
  &lt;Paragraph&gt;
    &lt;Link URL="/blog/974-m-s-launches-new-amazon-powered-website" Window="New"&gt;Marks and Spencer's newly relaunched site&lt;/Link&gt; makes use of feature&#160;filtering, while Next's website doesn't. &lt;/Paragraph&gt;
  &lt;Paragraph&gt;
    &lt;Emphasis&gt;Compare the pain:&lt;/Emphasis&gt;
    &lt;Link URL="http://order.next.co.uk/page.asp?b=X39&amp;amp;p=382&amp;amp;o=1" Window="New"&gt;to&#160;find a pair of men's trousers on Next&lt;/Link&gt;, you select 'menswear', then 'trousers',&#160;and are then presented with six pages of catalogue-style shots, with no means of filtering the results further. So you need to manually browse each page in turn. Hmmm....&lt;/Paragraph&gt;
  &lt;Paragraph Align="Center"&gt;
    &lt;Link URL="http://farm1.static.flickr.com/150/443702790_9b1b0d4f4a_o.jpg" Window="New"&gt;
      &lt;Image AlternateText="Next trouser search" Source="http://farm1.static.flickr.com/150/443702790_9b1b0d4f4a_o.jpg"&gt;
      &lt;/Image&gt;
    &lt;/Link&gt;
  &lt;/Paragraph&gt;
  &lt;Paragraph&gt;By contrast, the use of feature filtering on M&amp;amp;S&#160;makes the search much easier, much faster, and enables the customer to &lt;Emphasis&gt;eliminate results&lt;/Emphasis&gt;. &lt;Link URL="http://www.marksandspencer.com/gp/search/ref=sr_nr_p_10_1/202-6280436-4776639?ie=UTF8&amp;amp;bannerAltText=Formal%20Trousers&amp;amp;isFromFinder=0&amp;amp;mnSBrand=core&amp;amp;bannerWidget=24357222&amp;amp;rh=n%3A43550030%2Cp%5F93%3A33in%20Inside%20Leg%2Cp%5F10%3ABlue&amp;amp;isBrowse=1&amp;amp;page=1" Window="New"&gt;M&amp;amp;S allows you to filter your search &lt;/Link&gt;by &lt;Quote&gt;size, style, colour, price, and more&lt;/Quote&gt;, making it a far better plaftorm for &lt;Quote&gt;relevant &lt;/Quote&gt;results. &lt;/Paragraph&gt;
  &lt;Paragraph Align="Center"&gt;
    &lt;Link URL="http://farm1.static.flickr.com/193/443702782_e8b8a03746_o.jpg" Window="New"&gt;
      &lt;Image AlternateText="M&amp;amp;S trouser search" Source="http://farm1.static.flickr.com/193/443702782_e8b8a03746_o.jpg"&gt;
      &lt;/Image&gt;
    &lt;/Link&gt;
  &lt;/Paragraph&gt;
  &lt;Paragraph&gt;
    &lt;Emphasis&gt;Here are our top tips for effective feature filtering: &lt;/Emphasis&gt;
  &lt;/Paragraph&gt;
  &lt;List Type="Disc"&gt;
    &lt;ListItem&gt;
      &lt;Emphasis&gt;Ensure that product metadata is accurate&lt;/Emphasis&gt;&#160;&#8211;any&#160;missing or inaccurate product description data will result in missing products and irrelevant search results. &lt;LineBreak /&gt;&lt;LineBreak /&gt;&lt;/ListItem&gt;
    &lt;ListItem&gt;
      &lt;Emphasis&gt;Present relevant results only&lt;/Emphasis&gt; - this means showing only products that are in stock and available for purchase. Customers will be frustrated if they find the item they want, only to realise it is unavailable. &lt;LineBreak /&gt;&lt;LineBreak /&gt;&lt;/ListItem&gt;
    &lt;ListItem&gt;
      &lt;Emphasis&gt;Show the number of products&#160;matching&#160;the filter options&lt;/Emphasis&gt; &#8211; as above, show only results which are available to buy. Also, show the number of products for each for each feature value that can be selected next. &lt;LineBreak /&gt;&lt;LineBreak /&gt;&lt;/ListItem&gt;
    &lt;ListItem&gt;
      &lt;Emphasis&gt;Avoid returning &#8216;no matching products&#8217;&lt;/Emphasis&gt; &#8211; this is guaranteed to annoy customers. One way to avoid this problem is to provide feedback after every new feature-selection.&#160;&#160;&lt;LineBreak /&gt;&lt;LineBreak /&gt;Letting customers select products on the basis of multiple criteria is a sure way to get lots of &#8216;no matching products&#8217;.&lt;LineBreak /&gt;&lt;LineBreak /&gt;&lt;/ListItem&gt;
    &lt;ListItem&gt;
      &lt;Emphasis&gt;Show the features selected so far&lt;/Emphasis&gt; &#8211; showing the selections a customer has made in their product search in a list or 'breadcrumb trail' will give the customer a shortcut back to any previous&#160;point in their selection history. &lt;LineBreak /&gt;&lt;LineBreak /&gt;In addition, customers should be able to remove or change certain product features without changing other selections, as they refine their search. &lt;LineBreak /&gt;&lt;LineBreak /&gt;&lt;/ListItem&gt;
    &lt;ListItem&gt;
      &lt;Emphasis&gt;Show the customer that they are making progress towards a purchase&lt;/Emphasis&gt; &#8211; this can be done by showing the number of matching products, and that they are reducing in number after each selection. &lt;LineBreak /&gt;&lt;LineBreak /&gt;Another way is to show selected features in a list, or allow customers to sort matching products in different ways so they can focus their attention on only the ones they are interested in. &lt;/ListItem&gt;
  &lt;/List&gt;
  &lt;Paragraph&gt;
    &lt;Emphasis&gt;For more tips on feature filtering, see our &lt;/Emphasis&gt;
    &lt;Emphasis&gt;
      &lt;Link URL="http://econsultancy.com/reports/online-retail-user-experience-benchmarks-2006" Window="New"&gt;Online Retail User Experience Benchmarks&lt;/Link&gt; guide.&lt;/Emphasis&gt;
  &lt;/Paragraph&gt;
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  <created-at type="datetime">2007-03-27T17:27:00+01:00</created-at>
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  &lt;p&gt;
    &lt;strong&gt;Providing effective feature filtering - allowing users to narrow search results and / or navigate through a website by selecting multiple product features - can make a big difference to customer experience.&lt;/strong&gt;
  &lt;/p&gt;
  &lt;p&gt;Many people will only use the search option on an e-commerce site as a last resort, and&#160;most prefer to navigate through a site using links, because this requires less mental effort.&lt;/p&gt;
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    &lt;Emphasis&gt;Providing effective feature filtering - allowing users to narrow search results and / or navigate through a website by selecting multiple product features - can make a big difference to customer experience.&lt;/Emphasis&gt;
  &lt;/Paragraph&gt;
  &lt;Paragraph&gt;Many people will only use the search option on an e-commerce site as a last resort, and&#160;most prefer to navigate through a site using links, because this requires less mental effort.&lt;/Paragraph&gt;
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