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---
layout: page
title: Accessibility
---
Bootstrap follows common web standards and—with minimal extra effort—can be used to create sites that are accessible to those using <abbr title="Assistive Technology" class="initialism">AT</abbr>.
### Skip navigation
If your navigation contains many links and comes before the main content in the DOM, add a `Skip to main content` link immediately after your opening `<body>` tag. [(read why)](http://a11yproject.com/posts/skip-nav-links/)
{% highlight html %}
<body>
<a href="#content" class="sr-only sr-only-focusable">Skip to main content</a>
<div class="container" id="content">
The main page content.
</div>
</body>
{% endhighlight %}
### Nested headings
When nesting headings (`<h1>` - `<h6>`), your primary document header should be an `<h1>`. Subsequent headings should make logical use of `<h2>` - `<h6>` such that screen readers can construct a table of contents for your pages.
Learn more at [HTML CodeSniffer](http://squizlabs.github.io/HTML_CodeSniffer/Standards/Section508/) and [Penn State's Accessability](http://accessibility.psu.edu/headings).
### Additional resources
- ["HTML Codesniffer" bookmarklet for identifying accessibility issues](https://github.com/squizlabs/HTML_CodeSniffer)
- [The A11Y Project](http://a11yproject.com/)
- [MDN accessibility documentation](https://developer.mozilla.org/en-US/docs/Accessibility)
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