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Like all metadata, navigation aids are invisible to the average browser. However, they offer
a greatly simplified navigation experience for users on certain software; a screen reader
will read these links first, before the content, and a text-only browser like Lynx will display
them before any other content. Certain browsers can also present these links as an additional
toolbar appended to the normal browsing window. In Opera, click View ?¤ Toolbars
?¤ Navigation Bar to enable the navigation aids at the top of the screen. In Mozilla, click
View ?¤ Show/Hide ?¤ Site Navigation Bar. This functionality is not native to Firefox, but can
be used after installing either the Link Toolbar or the Site Navigation Bar extensions.13
WEB DESIGN AND MARKETING SOLUTIONS FOR BUSINESS WEBSITES
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13. The Link Toolbar extension is available at http://cdn.mozdev.org/linkToolbar, and the
Site Navigation Bar extension is available at http://addons.mozilla.org/en-US/firefox/
addon/1949.
Invisible navigation
Whereas navigation aids provide a persistent global navigation system that people can
employ to skip around the site, it is also beneficial to provide document-relevant navigation
to help users more swiftly move about a web page.
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