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508 compliance vs good SEO re: Image alt tags
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I'm currently in debate with our 508 compliance team over the use of alt tags on images. For SEO, it is best practice to use alt tags so that readers can tell what the image represents. However, they are arguing that these images should NOT have alt text as it doesn't add anything to the disability screen reader as the image text would be repetitive with the text on the page. I feel they are taking the "decorative" image concept in 508 compliance too far. It's intention is for images for bullets, etc that truly are decorative in nature and add no benefit to the reader. What is the communities thoughts on this? Have you ever run into scenario where 508 is attempting to ruin SEO? Usually the 2 play nicely.
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Even if the image is decorative, it is still describing the contents of the image to visually impaired users. Here's more from Google:
https://support.google.com/webmasters/answer/114016?hl=en
From Google:
"The
alt
attribute is used to describe the contents of an image file. It's important for several reasons:It provides Google with useful information about the subject matter of the image. We use this information to help determine the best image to return for a user's query.
Many people-for example, users with visual impairments, or people using screen readers or who have low-bandwidth connections—may not be able to see images on web pages. Descriptive alt text provides these users with important information."
The image's decorative value is for the user to judge, it's about providing the full story and experience to all users not some.
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Hi Rose,
Hopefully Donna answered your question already, but I want to jump in with some SEO prioritization advice.
Alt text like this can add to the relevance of the page, but minimally. It can also help your image rank correctly in image search, but that doesn't bring much traffic now that Google pulls images into its results page.
I had similar conversations with our compliance team when I worked for a university, and they had a similar perspective, that alt text should be determined by the flow of the reader rather than for small SEO boosts. The nice thing is, though, when images are important to the flow of the page, and are more likely for the alt text to support the keywords you're trying to target on a page.
In short: if I were you, I'd let this argument go, and just push for alt text on images that tell a story. There's no SEO penalty for not using alt text, and I doubt you're worried about ranking for "father and young son."
Best,
Kristina
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I'm with you Rose. The alt tag describes the image. If you want it to include your your keywords, assuming they're some combination of "Child Support Noncustodial Parent Employment Demonstration" (your page title tag content), you could alter it to say "noncustodial parent with his young son". You could do the same with the file name, include "noncustodial-parent-son".
Here are google's guidelines, as conveyed by Matt Cutts, head of Google's Web spam team and defacto SEO spokesperson.
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I'll provide an example. http://www.mathematica-mpr.com/our-publications-and-findings/projects/child-support-noncustodial-parent-employment-demonstration
On the page linked above, there is a medium size image depicting a father and son. The alt text there is "father with young son", the compliance team is arguing that the alt text should be removed as it adds no value. My thought was around changing the alt text to be more specific to the article, but even how it currently is it tells the screen reader that the image is of a father with his young son which is accurate. The compliance team feels these are decorative images - and I can't disagree more. I was hoping to find some evidence to support my case.
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I must be thick because I certainly don't understand the statement "they are arguing that these images should NOT have alt text as it doesn't add anything to the disability screen reader as the image text would be repetitive with the text on the page. "
No, I haven't run into this problem before. Perhaps they're referring to situations where alt tags just get stuffed with keywords. Image alt tags shouldn't just repeat the text on the page or act as a repository for keywords, although that's often what you see. Image alt tags should accurately describe the image first, use keywords second and where it makes sense.
So, for example, this page has an alt tag coded for the little blue button above that depicts Roger, the company mascot (<img <span class="html-tag">alt</img <span>="Roger_blue_square"). The text "Roger blue square" doesn't appear anywhere else on the page. (Well I guess it does now!) It's a bit succinct - first time visitors might have a heard time understanding what the image represents - but it is accurate and isn't just stuffed with "Moz Q&A Community" keywords.
I'm waiting for the day when Google decides to start penalizing folks for doing what you've described above.
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