A relatively new and growing place for logos is on the internet. Your logo can be in any number of places and those locations just seem to be increasing. Where the logo will be located is a large factor. What size should a logo be? How do you go about determining a good logo size? The best size for logos depends on a few factors. One of those things is the ideal logo size. When making your own logo, there are many things to consider in order for it to be successful.