Debbie Dawson wrote:The data is transferred from the HTML Form via the URL?
That depends on the form method. Get uses the url and post doesn't.
Debbie Dawson wrote:Does the data show up in the URL?
Get: yes; Post: no;
Debbie Dawson wrote:Can it be hidden?
Yes
Debbie Dawson wrote:Is it safe in the URL from hackers?
That depends on the situation. If you're using ssl (https) then yes otherwise no.
That includes the post method.