@SteveJessop, you should supply a website link to "Javascript hacks that make it possible for a very unrelated site to test whether a supplied URL is in the background or not" Having said that there are a number of main reasons why you shouldn't put parameters while in the GET https://ukpassportapplicationserv26887.bloguerosa.com/36359382/how-much-you-need-to-expect-you-ll-pay-for-a-good-uk-copyright-application-service