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| Introduction About this guide Common issues Duplicate content in Google
Tools and services |
The link to the Omitted results, at the end of the last search results page, show the URLs that were judged to be very similar in their content to the ones already on the list, thus excluded in the first run. You may click on this link and see the full list of every matching URL for a certain query, and will find that it's a useful way of grouping multiple similar results from same domain, to occupy less space on the result pages, thus provide more options and variety. Known issues The algorithm judges similarity by relevance of the pages. If there are more than two relevant, important pages that match the query on the same web site, the rest will be shown only if the Search Omitted Results link is clicked. Recently the evaluation for relevance has been extended with some additional parameters, and thus now includes the examination of the description of a web page, and repetitive use of entire blocks of content ( boilerplate text ). If the query matches the description or the boilerplate text, where by this pattern multiple pages are found to carry the exact same relevance, they will be grouped under the URL that has the highest values for its other parameters. An improperly written, or not present description may result in more relevant pages being grouped under such links, and not displaying the most relevant sub page for a web site, for in such cases the relevancy score will not be supported by this important factor. A page may be displayed with a snippet extracted from its content if the query matches a certain area in it. If this area is repeated on many other pages, and is not featured elsewhere in the content, again, the URLs would be grouped under the Omitted Results link. + Resolution: Make sure that all
of your web pages have a descriptive, and on topic title and META description
tag available. These description tags will also serve as the snippet appearing
under the title of the page on the Search Result pages, whenever they
include matching strings for the query made. You can check whether your
pages improperly share the same description by examining your web site
in Google with the site: operator. Pages sharing the same description
will be grouped under the "Omitted Results" link. You may also
want to avoid using entire blocks of repetitive or "boilerplate"
text in the content that would describe the documents with the same words
over and over again. If the section intended for natural branding has
more weight or is more prominent on a page than any other descriptive
content, and is repeated word by word on many other pages as well, the
same effect would apply, grouping all but one or two URLs under the "Omitted
Results" link.
Resources Google: Web Search Help Center http://www.google.com/support/bin/answer.py?answer=499 META tag ( Google Groups: Webmaster Help ) Testing of Duplicate Content Issues ( Webmasterworld ) Google - Another Bad Data Push ? ( Threadwatch.org ) |
Web site diagnostics Banned from Google
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