Firefox OS/Performance/Responsiveness: Difference between revisions

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Eli Perelman, :Eli
Eli Perelman, :Eli


==Application Startup==
==Responsive Guidelines for Application Startup==
* [[B2G/Performance/UserStories|User Interaction Stories]]


====Stages====
https://developer.mozilla.org/en-US/Apps/Build/Performance/Firefox_OS_app_responsiveness_guidelines
{| class="wikitable fullwidth-table"
| '''Stage''' || '''Description'''
|-
| App Chrome Visible    || The wireframe of the application is visible, e.g. headers, footers, or navigation elements.
|-
| App Content Visible  || The initial 'above-the-fold' content is displayed and has completed rendering.
|-
| App Interaction Ready || The core subset of user interaction is ready to be performed, e.g. scrolling, navigation.
|-
| App Content Ready    || The entire application has its remaining content loaded and ready for interaction.
|-
|}
 
====Goals====
{| class="wikitable fullwidth-table"
| '''App Cold Launch'''
|-
| '''Speed''' || '''Action'''
|-
| 0 - 140ms  || App's icon shows it has been touched.
|-
| 0 - 1.0s    || App's launch animation is started and completed.
|-
| 0 - 1.0s    || App's wireframe, e.g. banner and controls, are loaded and visible.
|-
| 0 - 1.0s    || App's visible content or a loading indicator must be displayed.
|-
| 0 - 1.25s  || App is ready for user interactions, e.g. touch, scroll, etc.
|-
|}
 
''The above times are cumulative, so app icon touch to app interaction ready is expected to occur within 1.25s.''


==References==
==References==
Eliperelman
canmove, Confirmed users
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