Some forum photos take WAY too long to load.
The one in this post:
took several minutes. Why? Because the forum software did not downsize its 16-megapixel size before sending it, relying on the user's browser to make it fit in the designated space.
This is wrong!
The forum software should downsize any image larger than a certain maximum before sending it, perhaps with an option to download the full-sized image into another tab by clicking on it.