why compatibility mode for intranet sites

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别那么骄傲
别那么骄傲 2021-02-13 10:36

I\'m a Mac person, web designer, trying to understand \"Display intranet sites in compatibility mode\" option with IE 11

I have client, an architecture firm, that used

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  • 2021-02-13 11:12

    IE makes assumption about displaying intranet sites (http://someInternalSite/ vs. http://someInternalSite.myCompany.org). That assumption is that intranet sites work best in compatibility mode.

    It makes the so called "smart" judgement by looking at it this way: Since the website is hosted in internal servers - there must be some corporate legacy applications developed on older versions of IE. And since IE is not perfect at maintaining proper fallbacks to older versions - thus its good to turn on the compatibility mode for the rescue.

    To fix it either access the site with FQDN or uncheck a checkbox in “Compatibility View Settings”

    More info of the IE "Smart Defaults" on this blog post: http://blogs.msdn.com/b/ie/archive/2009/06/17/compatibility-view-and-smart-defaults.aspx

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  • 2021-02-13 11:23

    I have upvoted the other answer, so i'm not really fishing for your vote. I just wanted to add the findings that i had this evening.

    I have a state of the art HTML5 website, that works well in every browser. However, in my own local environment IE is messing thigns up like you said, and even worse. I was thinking it was a server issue as the html that was passed as a responsetext from my server was the right HTML. however, IE was parsing it to something different ( I usually think of IE as a great browser, but I really lost it)

    this structure:

    <header>    
        <div>
            <div></div>    
        </div>
    </header>
    

    became this in the DOM:

    <header></header>
    <div>
        <div></div>
    </div>
    <header><//header>
    

    As you can see the whole DOM was parsed into something completely different and was not working, thanks to compatibility being enabled for the intranet. I did set the doctype, and validated my site on w3c, so that wasn't the problem either. The bottomline is, compatibility mode is something you want to stay away from as a developer.

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