2.4.1 Bypass Blocks: A mechanism is available to bypass blocks of content that are repeated on multiple Web pages. (Level A)
The intent of this success criterion is to provide a skip mechanism that will enable the users skip the repeated content blocks such as navigational menus, advertisements or help the users to jump to a particular location on the web page. The mechanism can comprise of “Skip links”, landmarks and/or headings or a combination of any of these.
While Assistive technologies such as screen readers provide a mechanism to jump according to headings, landmarks, lists & form controls it is always a best practice to provide a skip link at the top of the page & where ever it is appropriate.
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Video On How to Provide Skip Links
In the above example we have used id method to create a skip link & this is one of the easy ways to provide skip links. There are more optimized ways of providing skip links! Checkout the scripts provided by PayPal.