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辅助功能 标题简介


在我们语义元素简介中,您学习了如何使用标题元素。

标题是描述其后内容的文本。

——Paciello 集团,标题和辅助功能

您可能不知道的是,标题对于可访问的导航非常重要。视力正常的用户会扫描网页以了解网页的结构。同样,屏幕阅读器用户使用标题来导航和扫描页面。

标题必须清晰,无论是在视觉上还是使用清晰的措辞。页面的标题结构构成了页面的提纲。您可以将其视为页面的骨架。

报纸使用大量标题。《海峡时报》的头版有超过 80 个标题。

Screenshot from the front page of The Straits Times, showing a logo, the heading Top stories and an article heading.

所有这些标题都形成了一个提纲。

The document outline of The Straits Times, showing a logical structure with an h1, an h2 and two h3s.

这是一个很好的文档提纲。级别很有意义。文本清晰。

在下一模块中,您将学习有关辅助技术和屏幕阅读器的知识。作为预告,您应该观看 Google 的 Rob Dodson 演示使用屏幕阅读器时标题的重要性。视频的前五分钟解释了屏幕阅读器中标题的使用。



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