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#DieHimmels­traeumerin

iOS dev • sketchnoting • accessibility • pineapple on pizza • sports • she/her

NSSpain 2023: Fast and Fluid

Sketchnote of NSSpain 2023 talk by Gui about an app's perceived performance and how to improve it

Detailed image description of the sketchnote

  • This is not about performance... but loading spinners!
  • Pawtraits: Instagram for Gui's dog Yoshi!
  • Not all loading states need to be shown

Deferred Loading

  • ~200ms
  • transition between states gives you more time
  • An app's fluidity is the difference between its actual performance and the perceived performance.
  • Show placeholder content instead of activity indicators

Error Loading

  • tricky... revert to previous state?

Deferred Navigation

  • loading detail information
  • introduce an intentional Lag

TIPS

  • prevent unintentional animation
  • no boring placeholders
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