Recently, I went to edit a client’s website and needed a photo from a past event. I tried to search for it without luck because the file was named this:
This file was also 4MB which in web speak is REALLY LARGE!
While WordPress can crop an image it just uses up resources and space on the server. Uploading large images (right off your iPhone) can make your site REALLY slow especially for people using a mobile device.
Pro Tip: Optimize an image BEFORE uploading it to the website. Give your image file a useful name so it is easier to find later.
That is all.