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Difference between revisions of "Horizon/WebAccessibility"

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We inspected the Horizon (Havana release) for web accessibility and found the following problems.
 
We inspected the Horizon (Havana release) for web accessibility and found the following problems.
  
* 1.1.1 Non-text Contents
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* [http://www.w3.org/TR/UNDERSTANDING-WCAG20/text-equiv-all.html 1.1.1 Non-text Contents]
 
** A few non-text contents such as Network Topology (for Neutron) and Resource Usage (for Ceilometer) have no text alternatives.
 
** A few non-text contents such as Network Topology (for Neutron) and Resource Usage (for Ceilometer) have no text alternatives.
  
* 1.4.3 Contrast (Minimum)
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* [http://www.w3.org/TR/UNDERSTANDING-WCAG20/visual-audio-contrast-contrast.html 1.4.3 Contrast (Minimum)]
 
** text color and background color in the left menu
 
** text color and background color in the left menu
 
** text color and background color in the top menu
 
** text color and background color in the top menu
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** text color and background color of the some buttons
 
** text color and background color of the some buttons
  
* 2.1.1 Keyboard
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* [http://www.w3.org/TR/UNDERSTANDING-WCAG20/keyboard-operation-keyboard-operable.html 2.1.1 Keyboard]
 
** It's not easy to handle the layered message window by keyboard only.
 
** It's not easy to handle the layered message window by keyboard only.
 
** It may be difficult for a blind person to notice this layered error message.
 
** It may be difficult for a blind person to notice this layered error message.
  
* 2.4.1 Bypass Blocks
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* [http://www.w3.org/TR/UNDERSTANDING-WCAG20/navigation-mechanisms-skip.html 2.4.1 Bypass Blocks]
 
** There is no mechanism to skip repeated contents such as menu. For example, we can add a link at the top of each page that goes directly to the main content area.
 
** There is no mechanism to skip repeated contents such as menu. For example, we can add a link at the top of each page that goes directly to the main content area.
  
* 2.4.2 Focus Order
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* [http://www.w3.org/TR/UNDERSTANDING-WCAG20/navigation-mechanisms-focus-order.html 2.4.3 Focus Order]
 
** The order of navigation doesn't match the visual order in some cases.
 
** The order of navigation doesn't match the visual order in some cases.
 
** The focus movement is not restricted to the layered pop-up window.
 
** The focus movement is not restricted to the layered pop-up window.
  
* 3.1.1 Language of Page
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* [http://www.w3.org/TR/UNDERSTANDING-WCAG20/meaning-doc-lang-id.html 3.1.1 Language of Page]
 
** There is no lang attribute on the html element.
 
** There is no lang attribute on the html element.

Revision as of 05:46, 23 January 2014

We inspected the Horizon (Havana release) for web accessibility and found the following problems.

  • 1.1.1 Non-text Contents
    • A few non-text contents such as Network Topology (for Neutron) and Resource Usage (for Ceilometer) have no text alternatives.
  • 1.4.3 Contrast (Minimum)
    • text color and background color in the left menu
    • text color and background color in the top menu
    • link color and background color in the main content area
    • text color and background color of the some buttons
  • 2.1.1 Keyboard
    • It's not easy to handle the layered message window by keyboard only.
    • It may be difficult for a blind person to notice this layered error message.
  • 2.4.1 Bypass Blocks
    • There is no mechanism to skip repeated contents such as menu. For example, we can add a link at the top of each page that goes directly to the main content area.
  • 2.4.3 Focus Order
    • The order of navigation doesn't match the visual order in some cases.
    • The focus movement is not restricted to the layered pop-up window.