Docs: add note about GIF optimisation

lovell · Sep 5, 2022 · 31c1cfb · 31c1cfb
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commit 31c1cfb
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diff --git a/docs/README.md b/docs/README.md
@@ -63,6 +63,10 @@ PNG filtering is disabled by default,
 which for diagrams and line art often produces the same result
 as [pngcrush](https://pmt.sourceforge.io/pngcrush/).
 
+The file size of animated GIF output is optimised
+without having to use separate command line tools such as
+[gifsicle](https://www.lcdf.org/gifsicle/).
+
 ### Contributing
 
 A [guide for contributors](https://github.com/lovell/sharp/blob/main/.github/CONTRIBUTING.md)