percentage of similarity

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    I’m not sure if I’ve started this thread in the right area, but I was wondering if someone knew what the limits are for “percentage of similarity” in the various search engines.
    What I mean by percentage of similarity, is how similar one page on your site is to another, for example 2 articles which you have written on the same subject.
    I have found a very nice tool for checking this but it doesn’t explain what the limits actually are for each of the search engines.


    That’s an interesting question, I really wouldn’t know nor do I think anyone would really know the exact answer to this. I would guess that you would want as low of a number as possible, which would mean you have more unique content then similar content.



    Interesting question! To my knowledge, the tools like the Similar Page Checker or Copyscape ( do not or cannot take the similarity criteria of the search engines into consideration. In fact, Similar Page Checker says on their homepage:
    ” The exact percentage of similarity after with a search engine may penalize you is not known, it varies from search engine to search engine, Your aim should be to keep your page similarity as LOW as possible.”

    I am sure that search engines wont punish a site for using the names of the games exactly as found on a casino site. But what about: Get Your 320% welcome Bonus! or something similar?

    It would be nice to have some clarification on this point.

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    Hey guys,

    Wanted to add something to the thread, besides content similarity I think we should also consider coding similarity. It is my approach the SE’s punish site owners ALSO for q high percentage of similar HTML code on pages. Which are in SE “eyes” template pages with no real content, just my two cents.


    good question,
    i have heard up to 50% same content was allowed,
    also heard being penalized for having the same footer or disclaimer on every page (boilerplate)

    i realy do not think the code or template is being considerated as content and looked at it this way
    people even complain the links in their left- or uppermenu wich do apear on every page,part of the template, are not seen or counted by the searchengines

    my 2 cents


    Thanks for the replies guys, I guess it is a case of being careful and I think the 50% rule sounds about right. I also can’t believe that search engines penalise against “boiler plates” otherwise all the big corporate sites would be slammed.
    If i find any more info I will be sure to post it here.

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