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Welcome to part six of the LSNTAP series on web accessibility! For the next few minutes,
we're going to talk about improving the operability of your site.
Operability means that your site can be used to accomplish tasks, in spite of a range of
disabilities. A big part of this is ensuring that your site is operable solely from a keyboard,
for those with limited mobility or use of their hands. Be sure that your site supports
common default keyboard shortcuts, like Ctrl + to zoom in. Try navigating your site using
only the keyboard to check it out. If your site has any fillable forms, you should
also check what order they're in if the user just presses the "tab" key to move between
them. For instance, you wouldn't want phone number to be entered between first and last
name; those should go first, then phone number. Also, make sure that users are told not just
if they make errors, but also what those errors are so that they're easy to find and correct.
If any part of your site has a time limit to complete a task, make sure that that time
limit can be paused, extended, or turned off to accommodate different paces at which people
work. Finally, if there are elements of your site
that blink or refresh constantly, such as a news feed, be sure that they don't flash
more than three times per second -- you don't want to cause epileptic seizures in your visitors!
That's it on operability -- keep watching for some information on navigability!