Pop-up ads or popups are a form of online advertising on the
A variation on the pop-up window is the pop-under advertisement, which opens a new browser window hidden under the active window. Pop-unders do not interrupt the user immediately and are not seen until the covering window is closed, making it more difficult to determine which web site opened them.
Opera was the first major browser to incorporate tools to block pop-up ads; the Mozilla browser later improved on this by blocking only pop-ups generated as the page loads. In the early 2000s, all major web browsers except
Internet Explorerallowed the user to block unwanted pop-ups almost completely. In 2004, Microsoft released Windows XPSP2, which added pop-up blocking to Internet Explorer.
Most modern browsers come with pop-up blocking tools; third-party tools tend to include other features such as
Blocking of legitimate "pop-ups"
*Many websites use pop-ups to display information without disrupting the page currently open. For example, if you were to fill in a form on a web page and needed extra guidance, a pop-up would give you extra information without losing any information already entered into the form. Most pop-up blockers will allow this kind of pop-up, however, some will reload the page, losing any information that was entered.
*Some web based installers such as that used by
McAfeeuse a pop-up to install software.
*On many internet browsers, holding down the
ctrlkey while clicking a link will allow it to bypass the popup filter.
Presently, every browser supports pop-up blocking.Fact|date=August 2008
Circumventing pop-up blockers
Advertisers continually seek ways to circumvent such restrictions. For example, some pop-up ads are generated using
A combination of a banner ad and a popup window is the "
Pop-under ads are similar to pop-up ads, but the ad window appears hidden behind the main browser window rather than superimposed in front of it. As pop-up ads became widespread, many users learned to immediately close the popup ads that appeared over a site without looking at them. Pop-under ads do not immediately impede a user's ability to view the site content, and thus usually remain unnoticed until the main browser window is closed, leaving the user's attention free for the advertisement. Pop-under ads were first introduced by ExitExchange corporation in 1999. ExitExchange.com, founded by Andrew Vilcauskas, Robert Bloodgood, and Dylan Rosario (co-founder of
A popup generator is a computer application used to design, produce, store, install and maintain popup advertisements. Popup generators vary from simple ones that generate blockable old-style annoying popups, to complex and sophisticated applications, used to develop feature rich popup ads and
Users of websites and web applications routinely experience unwanted pop up ads through the course of their normal interaction with a web browser. Ordinarily users respond by dismissing the pop-up through the "close" or "cancel" feature of the window hosting the pop-up. Because this is a typical response, some authors of pop-up advertising depend on this, and create on-screen buttons or controls that look similar to a "close" or "cancel" option. When the user chooses one of these "simulated cancel" options, however, the button performs an unexpected or unauthorized action (such as opening a "new" pop-up, or running unauthorized commands on the user's system). [ [http://www.smartcomputing.com/Editorial/article.asp?article=articles/WebOnly/TechSupport/441w10/41w01.asp&guid= Smart Computing Article - Pop-ups ] ]
Because the technologies for web development and design allow an author to draw any kind of "simulated" cancel option imaginable, some users refuse to click on or interact with any item inside a pop-up window whatsoever. [ [http://www.smartcomputing.com/Editorial/article.asp?article=articles/WebOnly/TechSupport/441w10/41w01.asp&guid= Smart Computing Article - Pop-ups ] ]
1-800 Contacts— which sued an advertising company over its provision of pop-up ads
List of pop-up blocking software
*Adams, Cecil. " [http://www.straightdope.com/columns/041015.html What's up with popup ads?] ". "
The Straight Dope". October 15 2004.
*Zabunov, S. " [http://popup-toolkit.com/articles/artistic-popup-approach.html From Annoyance to Pleasure - The Artistic Popup Approach] ".
May 12 2006.
*US Patent 7,386,555 " [http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&p=1&u=%2Fnetahtml%2FPTO%2Fsearch-bool.html&r=1&f=G&l=50&co1=AND&d=PTXT&s1=7,386,555&OS=7,386,555&RS=7,386,555 Post-session internet advertising system] "
*US Patent 7,353,229 " [http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&p=1&u=%2Fnetahtml%2FPTO%2Fsearch-bool.html&r=1&f=G&l=50&co1=AND&d=PTXT&s1=7,353,229&OS=7,353,229&RS=7,353,229 Post-session internet advertising system] "
* [http://www.wikihow.com/Stop-Internet-Popups How To Stop Internet Popups] - entry in
* [http://news.cnet.com/Pop-under-ads-may-hit-publisher-wallets/2100-1023_3-931069.html Pop-under ads may hit publisher wallets]
* [http://www.ifsmall.com/internet-marketing/44006.php 10-Essential Points When Considering Pop-Under Advertising]
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