You should always check serverside, but this post is about the user experience of entering the url, not about what happens to it once sent to the server. The l

You should always check serverside, but this post is about the user experience of entering the url, not about what happens to it once sent to the server. The letters http:// http:// help I think, they suggest what's supposed to go in the field. A lot of people don't know what "url" means but they recognize the http:// http://.