I haven't tested this site out, but I thought it might be of interest.
https://pixelpeeper.io/
I came across this on Reddit (https://www.reddit.com/r/photography/comments/6i4x4k/i_made_a_website_that_takes_a_jpg_image_and_shows/). It supposed to show you what Lightroom settings were used for an image, as long as the EXIF and XMP data are intact.
Example use (https://i.imgur.com/YFfjBrj.gif)