NSSpain 2023: Fast and Fluid

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