remote image best practices

You can check out this sample code for remote image
- https://gist.github.com/MotiurRahman/57535845ebf40bd2041448991ebd92fc

Secondly, If you would like to resize image before adding it to the window then you can use httpclient the response will be a blob, for instance, this.responseData inside the onLoad callback. Sample code - https://gist.github.com/MotiurRahman/130b7f232a74956b0c26d7ddf4ac6b34

Hope this helps.