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G indexed 6k duplicate pages, affecting rankings. Start over?

Discussion in 'Black Hat SEO' started by pixelgrinder, May 7, 2015.

  1. pixelgrinder

    pixelgrinder Power Member

    Apr 1, 2008
    Likes Received:
    I started another ecommerce site 4 months ago. About a week ago I noticed google indexed about 6k duplicate pages that the ecommerce CMS generated (category pages). I thought I had put the noindex tag on these pages but I apparently did not. As soon as all of these pages were indexed, all of my rankings have disappeared.

    I deleted the pages in the CMS so they're all 404 now but they're still being indexed even after being crawled again. I tried webmaster tools to try to remove some of the pages but they get processed and then never removed from the index.

    The dilemma is, should I start over with a new domain or try to remove these pages/let it run its course? I have built a few really authoritative whitehat links that would be difficult to change to a new domain. I don't want to invest time/money into this domain going forward and then always have these pages affecting my rankings. From some preliminary searching, some people report their 404 pages still being indexed up to 6 months after removal.

    What should I do?
  2. mainceaft

    mainceaft Regular Member

    Apr 10, 2013
    Likes Received:
    first use robots.txt to disallow G crawling tags . In WMT there is URL query string tools change status of this query to No Index or something close .
    for 404 pages G already said We have very strong memories this pages will remains for years on G DB .
    Last you can use strong methods changing status of tags to 401 - Gone to give G bot clear message this page will never get back online again .