Shows browser support for the various formats of color fonts. (Most of these formats are of popular interest for emojis only at the moment, other than SVG in Opentype. All could be used for other kinds of fonts, though.)

Color-Font-Support_Win10_Browsers.md

Chrome:

Version 62.0.3202.94 (Official Build) (64-bit) User Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/62.0.3202.94 Safari/537.36

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Firefox:

Version: 57.0 Build ID: 20171112125346 User Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:57.0) Gecko/20100101 Firefox/57.0

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Edge:

Version: Microsoft Edge 40.15063.674.0 Engine Version: Microsoft EdgeHTML 15.15063 User Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/52.0.2743.116 Safari/537.36 Edge/15.15063

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Internet Explorer:

Version: 11.726.15063.0 Update Versions: 11.0.48 User Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; Trident/7.0; .NET4.0C; .NET4.0E; .NET CLR 2.0.50727; .NET CLR 3.0.30729; .NET CLR 3.5.30729; InfoPath.2; rv:11.0) like Gecko

Windows 10 is currently unable to install Apple Color Emoji or Noto Color Emoji locally.

For issues seen in browser consoles, see: This comment

See also these gists for browser-based color font support on Ubuntu and macOS.

Unique to Windows, Internet Explorer 11 had the following error messages in the console:

For dev tools error messages unique to macOS, see here: Comment.