可用性指南：可访问性

3.8：提供等效页面

相关重要指数：3级

证据强度：2级

文件类型：指南

主题：

可访问性

指南：

如果无法以任何其他方式满足可访问性, 则为纯文本页面提供具有等效信息和功能的页面。

注释：

当没有其他可用的解决方案时, 可以选择设计、开发和维护不包含任何图形的备用网站。这样一个网站中的网页应该易于访问, 并便于使用屏幕阅读器和其他辅助设备。

通常, 应确保仅文本页面的更新频率与之对应的非文本对应页面相同。还要通知用户, 纯文本页面与之对应的非文本对应页完全等效。

资源：

1. Chisholm, W., Vanderheiden, G., & Jacobs, I., Eds. (1999e). Web Content Accessibility Guidelines 1.0. Retrieved November 2005, from http://www.w3.org/TR/WCAG10/, Checkpoint 11.4

2. United States Government, Rehabilitation Act of 1973 (amended in 1998), Section 508. Retrieved November 2005,

相关资源：

1.itle: Section 508.Description: Section 508 requires that Federal agencies' electronic and information technology is accessible to people with disabilities. IT Accessibility & Workforce Division, in the U.S. General Services Administration's Office of Governmentwide Policy, has been charged with the task of educating Federal employees and building the infrastructure necessary to support Section 508 implementation. Using this web site, Federal employees and the public can access resources for understanding and implementing the requirements of Section 508.

2. Title: Web Accessibility Initiative.Description: Guidelines widely regarded as the international standard for Web accessibility

3. Title: WebAIM Section 508 Checklist.Description: Provides a checklist of 508 items for HTML.

相关可用性指南：

1. Usability Guideline: Comply with Section 508