Most Web browsers support jumping to specific links through the use of keyboard shortcuts that can be defined on the Web site.
Access keys are defined because not all users are able to use a mouse, and several alternative browsing devices do not employ a'point and click' interface.
Microsoft Internet Explorer
In Microsoft Internet Explorer, the access key is ALT + Access key
(if you are using Internet Explorer, press Return to follow the link);
In Mozilla Firefox 1.5 and before the access key is ALT + Access key
In Mozilla Firefox 2.0 and beyond the access key is ALT + SHIFT + Access key
On Macintosh, you can press Control + Access key.
The following access keys are used on this site:
Page: Home Page: Access Key: H
Page: About Us: Access Key: A
Page: Current Issue: Access Key: F
Page: Why National Geographic?: Access Key: S
Page: Gift Subscription: Access Key: W
Page: 1 Year Offer: Access Key: G