Symantec 10099585 User Guide - Page 61

Blocking Internet advertisements, How Ad Blocking works, Block by dimensions, Block by location

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Blocking Internet advertisements 7 When Ad Blocking is enabled, it transparently removes: 1 Ad banners 1 Pop-up and pop-under ads 1 Macromedia Flash-based ads How Ad Blocking works Ad Blocking detects and blocks ads based on two criteria: their dimensions and their locations. Block by dimensions Most online advertisers use one or more standard sizes for their ads. Ad Blocking includes the ability to block images and other HTML elements that have the same dimensions as these common ad sizes. Block by location Every file on the Internet has a unique address or URL (uniform resource locator). When you view a Web page, your computer connects to the address you request and displays the file that is stored there. If the page includes graphics, audio files, and other multimedia content, your browser displays the files as part of the page. When you go to a Web page that includes an ad, the instructions used to display the page might include the following:

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Blocking Internet
advertisements
7
When Ad Blocking is enabled, it transparently removes:
1
Ad banners
1
Pop-up and pop-under ads
1
Macromedia Flash-based ads
How Ad Blocking works
Ad Blocking detects and blocks ads based on two criteria:
their dimensions and their locations.
Block by dimensions
Most online advertisers use one or more standard sizes
for their ads. Ad Blocking includes the ability to block
images and other
HTML
elements that have the same
dimensions as these common ad sizes.
Block by location
Every file on the Internet has a unique address or URL
(uniform resource locator). When you view a Web page,
your computer connects to the address you request and
displays the file that is stored there. If the page includes
graphics, audio files, and other multimedia content, your
browser displays the files as part of the page.
When you go to a Web page that includes an ad, the
instructions used to display the page might include the
following: