If you entered text in the Title box, then this text will appear as the Alt text for the photo.
如果你在标题框中输入了文本，那个这个文本就会作为图片的替换文本出现。
As the WCAG sc 1.1.1 guidelines described, all non-text content should have an Alt text attribute.
根据WCAGSC1.1.1指南描述，所有非文本内容都应有alt文本属性。
Sometimes it's hard for a tester to identify whether the Alt text is needed or whether it can be left empty.
有时测试人员很难确定alt文本是否需要或能否设置为空。
To make your images and animation accessible, you must provide appropriate alternate text (that is, Alt text) within the image's HTML tag.
为使图像和动画可访问，您必须在图像的HTML标记内提供相应的替代文本(即，ALT文本)。
For each non-text element, provide a user-selectable equivalent for text, transcripts, or audio descriptions, such as alt text, captions, or visual feedback.
对于每个非文本元素，为文本、脚本或音频说明（如替换文本、标题或视觉反馈）提供可供用户选择的等效项。
The W3C HTML5 Specification (Working Draft) explicitly recognizes this and provides detailed examples for alt text depending on the function and context of the image.
W3C的HTML5规范(草案)明确指出了这一点，并详细示范了如何撰写基于功能和上下文的替换文本。
Linking to sites with poor reputation, linking to good sites gone bad, image links (with or without ALT text) are also some common link building mistakes you should avoid.
链接到信誉差的网站，链接到好的网站坏了，图片链接(有或没有ALT文本)，也有一些共同点的建设应避免犯的错误。
You can use image buttons for many purposes, although they do require you to develop images. If you want to bypass this, create an image button with Alt text and an invalid URL for its image.
可以将图像按钮用于许多用途，但是这要求您开发图像。
In general, you can use the same text for the ALT and TITLE attributes of your images.
一般而言，您可以将相同文本用于图像的ALT和title属性。
Even with HTML and XHTML strict requiring Alt attributes on images, text had become an unwanted nuisance.
尽管HTML和XHTML严格要求图像具有al t属性，但文本已成为一种累赘。
Also, even though we can add Alt attributes to each image, pure text is even more accessible since it can be resized by users with impaired vision.
同样，我们甚至可以为每一个图像加上alt属性，对于弱视者，纯文本更可以自由的改变大小。
Notice that the second <alt-trans> element has a match quality of 96% due to the differences in markup format, but the text is good enough to be accepted.
注意，因为标记格式的原因，第二个
Right-click the text, then select Do it (you can also press Alt+d to evaluate the line).
右键单击文本，然后选择Doit（也可以按Alt+d来运行代码行）。
Some browsers will now allow you to control the size of the text created by the ALT tag.
有些浏览器可能允许你控制由alt标签创建的文本的大小。
So, make sure your images, logo or videos are identified by a text 'alt tag, ' or the spider will ignore them and they will not have value in the search engines.
因此，请确保您的图像，标识或视频是由文本'确定的ALT标签，'或蜘蛛会忽视他们，他们不会在搜索引擎的价值。
So, make sure your images, logo or videos are identified by a text 'alt tag, ' or the spider will ignore them and they will not have value in the search engines.
因此，请确保您的图像，标识或视频是由文本'确定的ALT标签，'或蜘蛛会忽视他们，他们不会在搜索引擎的价值。
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