Is there any recommended length for alt text?

[sitepointRefugee]

Writing alt text is recommended for 2 reasons: accessibility and SEO. I have a question with regard to SEO. Is there any recommended length for alt text? 10 characters? 50? 100? Case by case?

[Mike]

Doesn't it just matter what your keywords are if your using it for SEO?

[Chris]

Just write enough to describe what the image is succinctly and make sure your keywords are there.

[jazzy12]

I am new to web design, but can I add all of my key words to the pictures on my site will the look at this as spam? My keys are between 244 and 250.

Thank you,
Jeff

[ozgression]

Yes it will look "spammy". Just use text relevant to the image OR Your main key phase. Adding 244-250 keywords to an image will add no benefit.
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