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License: MIT License
An example of SEO-friendly hidden content using JavaScript and collapsible paragraph elements.
License: MIT License
/*--------------------------------------------------------------------*\ README \*--------------------------------------------------------------------*/ The files in this directory comprise an example implementation of search engine-friendly hidden content. This example is designed to satisfy the guidelines listed below. Moreover, it is intended to demonstrate a set of best practices that minimize the risks associated with DHTML, such as lower search engine rankings caused by search engines' inability to understand JavaScript and DHTML. For more information, see the original accompanying article: Using JavaScript to Hide Content: Advanced White Hat SEO? - http://sem-group.net/search-engine-optimization-blog/seo/using-javascript-to-hide-content/ /*--------------------------------------------------------------------*\ Basic Implementation Techniques for Content Hiding \*--------------------------------------------------------------------*/ User Experience Hidden content implementations should improve the User experience and must not impair the User experience. Dynamic Hidden content elements must have a visible state--a set of conditions under which the hidden content is visible and readable by Users. The visible state must be capable of being activated by a browser event. The event should be automatic (e.g., document.onload) or it should be triggered by Users' actions (e.g., element.onclick). In the case of Users' actions, the trigger element should be conspicuous and intuitive. Accessibility Hidden content should not be implemented in such a way that it causes the content to be inaccessible to Users with disabilities or Users who rely on screen readers or similar devices. Progressive Enhancement Hidden content must default to a visible state when rendered in a browser that either doesn't support JavaScript or doesn't have JavaScript enabled. A document in which all hidden content elements are in the default visible state should provide a User interface that is functional, cohesive, and reasonably intuitive. /*--------------------------------------------------------------------*\ License \*--------------------------------------------------------------------*/ Copyright 2011, Darren Slatten, http://www.seomofo.com Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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