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lazysizes

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High performance (jankfree) lazy loader for images (including responsive images), iframes and scripts (widgets).

github.com/aFarkas/lazysizes

aFarkas/lazysizes

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# MS Edge h descriptor fix This plugin/polyfill fixes the missing `h` descriptor parsing in MS Edge by removing the `h` from all candidates of `source` and `img` elements and storing the physical aspect ratio of the candidates into a `data-aspectratio` attribute. Note: This polyfill is already included in the [respimg polyfill plugin](../respimg) and must **not** be included along site with it. But it is a good script in case you either use picturefill or do not use a polyfill at all.