Extremely slow uploads from Lightroom

Hi there,

The uploading speed of images depends upon varius factors suc as size of the image, internet connection speed and any third part apps like antivirus or firewall blocking the Lightroom app.

Could you please have a look at this conversation and see if it helps? https://feedback.photoshop.com/photoshop_family/topics/very-slow-sync-speeds-with-a-large-import-to-lightroom-cc

Regards,
Sahil