Pop-up ads annoying advertisements



Pop-ups are those annoying advertisements that - as the name says - come on your monitor as you surf the Internet on your browser. Their main purpose is to attract visitors to advertisers' web sites or to collect e-mail addresses.

These ads that come on your screen as a web page loads are usually caused by something called JavaScript that runs in the background. This is a simple programming language that can be integrated into the HTML used to build web sites.

Some programs can be useful. Sometimes a user clicks a link on the Web page and a small window will open asking a user to fill in information or giving a user more information. Music sites often use this form to play tunes in a specialized player window. This can be a completely legitimate use of pop-ups and is quite different from the ones that run advertisements that appear unbidden.

JavaScript can control the size of the window and the elements displayed. The status bar or the menus can be hidden, making it impossible to navigate away from the displayed ad. Your only options are to close the window using the 'x' box in the top right corner or to click on the ad and be taken to the advertiser's web site. Annoying, huh?

Some of these windows are either poorly programmed or intentionally malicious. The JavaScript will create multiple windows, and when one of those windows is closed more windows will open. The only way out of this endless cycle is to close the browser.

A relatively new kind of ad window that is similar to the JavaScript is created using Flash and can be programmed to follow your mouse or to float on the screen as you scroll the window.

In addition to these programs being created with JavaScript and Flash, 'adware' can create similar type of ads according to the content on a web page. Adware is usually just advertising-supported software which displays ads when you use that program. Sometimes, however, 'adware' refers to small hidden programs that deliver targeted advertising to your web browser. These programs may look for certain keywords on a web page and generate advertisements based on those words.

Another type of pop-up is the pop under. Rather than appearing on top of web pages they're hidden until you close the browser window. These are a little bit less intrusive than the other programs that run but still an unwanted nuisance. There's no end to the cleverness of advertisers!

It's the nuisance factor of pop-ups that has encouraged almost every web browser designer to include some kind of program that will killer in these programs. The latest versions of all the major browsers have integrated pop-up killers.

There are also many specialized pop-up killer utilities that run in the background and require no user intervention, most available free of charge. So, download one today. Unless you just enjoy advertising.


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