If your site has stopped showing in Google's search results, there are some steps you can take to help reintroduce it to Google. From checking the site's robots.txt file to submitting a reconsideration request, this video tells the story of one webmaster investigating his site's disappearance from Google.
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Requesting reconsideration using Google Webmaster Tools
Matt Cutts and Wysz pull back the curtain and take you behind the scenes of creating a video for Webmaster Central.
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Behind the scenes of Google Webmaster Central videos
"Google crawls site A every hour and site B once in a day. Site B writes an article, site A copies it changing time stamp. Site A gets crawled first by Googlebot
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How can I make sure that Google knows my content is original?
A webmaster tutorial video that covers how Google can find your site.
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Google for Webmasters Tutorial: Discoverability
Hi Matt, If you do a site:website.com on Google, on what basis the results are ranked? Is this the order in which Google gives importance to each and every page in the website? Because most of the time the top listed pages get more search traffic
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How are site: results ranked?