We take accessibility seriously that's why our accessibility guidance is placed on our top navigation menu because it is just as important to us and our visitors as the services we offer. A site map is much more than it's name implies; it opens your site to people who are unable to navigate using conventional methods and is key in making you site conform to accessibility standards. If you don't see what we mean have a look at out see it for yourself example.
To navigate without a mouse you press the Tab key on the left of your
keyboard. Each time you press the Tab key you select the next navigation
button or hyperlink on the page. (Use the Shift key + the Tab key to go
back to a previous link).
When you are on the required button or hyperlink just press the Enter
key to go to the new page.
We have also implemented access keys for our page links where possible, and to speed up
accessibility for uses who cannot use our CSS drop down menus.

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