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Changes between Initial Version and Version 1 of Ticket #13581, comment 1

initial	v1
1	1	I don't think this is the right solution. It'd be neither correct from the a11y perspective, nor good SEO. Also, I wouldn't be surprise if Google was simply ignoring poor alt attributes (which equal the file name or repeat multiple times).
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3		So, a solution for this problem is really forcing the user to type the alt. Only this will produce any value. For instance, ~~Accessibility Checker~~ can be used for that. See the last screencast in http://cksource.com/blog/5-Tips-on-How-to-Improve-Accessibility-When-Creating-Your-Web-Content-in-a-WYSIWYG-Editor. It can not only check that alt is set, but also gives the option to quickly set it.
	3	So, a solution for this problem is really forcing the user to type the alt. Only this will produce any value. For instance, [http://cksource.com/ckeditor/services#accessibility-checker Accessibility Checker] can be used for that. See the last screencast in http://cksource.com/blog/5-Tips-on-How-to-Improve-Accessibility-When-Creating-Your-Web-Content-in-a-WYSIWYG-Editor. It can not only check that alt is set, but also gives the option to quickly set it.
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5	5	Also, there's a pretty interesting blog post about the relation between a11y and SEO – http://cksource.com/blog/Accessibility-usability-and-SEO-go-hand-in-hand-a-talk-with-David-Carralon