Is alt the same as alt=""?

Issue

I’m adding alt attributes to all my images to improve SEO/screen reader performance.

Per best practice, images that are purely aesthetic should have an empty alt attribute alt=""so screen readers skip over them. I’m in WordPress and noticed it does add alt to these descriptionless aesthetic images, but not alt="".

Does alt get read the same as alt="" by screen readers and search engine crawlers, or should I go in and programatically force an alt=""?

Solution

Yes, it’s the same: https://html.spec.whatwg.org/multipage/syntax.html#attributes-2

Empty attribute syntax

Just the attribute name. The value is implicitly the empty string.

To me, that says that an attribute with no value is the same as having a value of empty string.

This answer says the same.

Answered By – Karl Reid

Answer Checked By – Senaida (AngularFixing Volunteer)

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