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kotlinlang

is `Compose-Web` (assuming no internet access) as fast as `Compose-Android` and `Compose-Desktop` ?

Compose Web produces a regular js file, you don't need internet access. Also, what do you mean by `fast`? The default stable version uses the HTML DOM API without a virtual dom like react and without a lazy table.

It’s slower. But that’s to be expected. Its the DOM that is modified and not a graphics accelerated Skia draw call 

like, suitible for high performance graphical applications

eg, stuff that `Compose-Android/Desktop` should easily be able to handle in terms of graphics but `Compose-Web` cant handle very well

<https://github.com/OliverO2/compose-counting-grid#findings> - here <@U54CM9PGS> made a comparison you may be interested in.

hmm
```    This application does not simulate any real-world scenario as it uses a very simple layout with fixed-size cells.
    Compose for Web on Canvas is at an experimental stage. This application uses funky tricks to fit the canvas to its content size.```

`Currently, it appears that the entire (window) canvas is redrawn on every frame. Once JetBrains/skiko#53 is fixed and only updated parts are redrawn, expect significant performance increases.`

what does this apply to?

Compose for Web on Canvas does not use the (stable) DOM API but instead creates the UI directly on canvas elements which is experimental. But, as you can see, the whole window is redrawn every time and not changed elements only.