Have you read my post on image SEO? On that post, I got this comment from Jerry, a professional photographer: “In galleries, do you have any suggestions about what the ALT text should look like? The main concern is that we don’t want to be perceived as keyword spamming; using the same keyword in all the images of a given gallery.”
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That’s a good question about photography SEO. When thinking about the optimization of photo galleries for Google, I could actually only come up with one main comment: write more text to accompany these photos. You might even start a blog about your work and your photos. In this post, I will go over a number of random photos and explain what direction I’d go with that text and photography SEO. There might be some personal preference in this, but I’m sure this will help you to find a way that will allow you to easily add that text yourself as well. Keep in mind that you don’t need to be a copywriter to write appealing text 😉
Source : Yoast