A devtools extension to toggle support of selected CSS features for testing progressive enhancement fallbacks.
It saved me a lot of time checking the Graceful Degradation of my CSS. Thanks
Useful extension for testing how your site/app can look on browsers which don't support certain features.
iaderinokun
https://emmet.io
Kitze
https://visbug.web.app
https://aminoeditor.com
toptal.com
NCC Group Web Performance
https://schepp.dev
Mike King
Kjeld Schmidt
iaderinokun
Accessibility Insights Team