There's a range of different loading indicators in our products.
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Content translation - loading article (content). [[ http://codepen.io/anon/pen/VYYvXM | Live example ]] · [[ https://trello.com/c/2u8W6qn8/53-consistent-load-more-animation-in-core | Discussion ]]
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Echo - loading notifications (content)
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Flow - loading more topics (content)
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Mobile - loading "nearby" articles (content)
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Visual Editors - loading tool (tool)
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Flow - loading contents on infinite scroll
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**Side notes:**
- User:Splarka has done some analysis [[ https://www.mediawiki.org/wiki/User:Splarka/Throbber | here ]] to see how loaders work in different colored backgrounds.
- Relevant [[ https://phabricator.wikimedia.org/T95137 | task about loading indicators should accelerate as it nears completion ]]
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=== Standardized UI elements ===
1. **Three (bouncing) dots** for in-view loading content, for example RCFilters
[[ https://codepen.io/Volker_E/pen/yqNXMe | CodePen with dots indicator example at 16px ]]. Depending on context product designers can also choose to go for 12px dot sizes.
2. **Loading progress bar** as application loading indicator, for example VisualEditor
[[ https://doc.wikimedia.org/oojs-ui/master/demos/?page=widgets&theme=wikimediaui&direction=ltr&platform=desktop#Progress-bar | OOUI Progress bar widget ]]