Pop-up windows can be divided into two categories: the auto pop-up and the interactive pop-up. The former is notorious for its use of forcing onto visitors commercial messages, polls, and other messages. Pop-ups of this kind are either displayed when the page is visited or when the page is left (exit) beyond control of the user. Most exit pop-ups trigger new pop ups on closing so quite often it is a race between the visitor closing and those annoying windows opening. Due to the fact of major use for commercial purposes a lot of so-called "pop-up blocking programs" are in use today. Also the well known browser Mozilla and browsers based on Mozilla, like Firefox, have the option to block pop-ups. Most visitors not using blocking software are so used to closing auto pop-up windows that even a pop-up window containing for example a navigation menu (remote control) risks being closed before a good look has taken place.
Read the rest of Pop-up windows.
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