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Sumo Display Issues

For users who are experiencing any strange behavior within Sumo which may include:

    • Login Box isn't appearing
    • Screen is greying out with no Sumo Dashboard
    • Login Box or any part of Sumo displaying in a strange location
    • Parts of Sumo are not visible or unable to scroll

You are likely missing a <!DOCTYPE HTML> header for your page, using ***QuirksMode DOCTYPE, or you have something placed before it. Without loading a proper DOCTYPE first, your browser doesn't know how to render your webpage and Sumo properly.  Absolutely nothing can be placed before your DOCTYPE, including spaces.

Please be sure that all comments, scripts, code, links, anything, are all placed AFTER <html> and never before it or <!DOCTYPE HTML>.  Nothing can exist outside of your <html></html> tags except your <!DOCTYPE>.


 

***QuirksMode DOCTYPE.

If you are using this DOCTYPE:

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">

You will not be able to use Sumo properly.  This DOCTYPE puts your browser into "QuirksMode". This sets your browser to support older standards and jQuery does not work correctly when a page is rendered in QurksMode.


 

Here are a few resources to help you with this.

  • http://en.wikipedia.org/wiki/Document_type_declaration
  • http://www.w3schools.com/tags/tag_doctype.asp
  • http://www.w3.org/QA/Tips/Doctype
  • http://www.w3.org/QA/2002/04/valid-dtd-list.html
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