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Does Google evaluate text in images? Technically speaking, it is no problem to read text from images or videos. For example, this works wonderfully in Google's Translate app. The only question is whether Google will do this on a large scale for image search. But this can be tested very easily: There are currently no search results for the term in the image. As long as it stays that way, text in the image will not be evaluated. Test for evaluating text in images Update (April 24, 2019): Google finds all images from this article for the search query.
Text in the image is actually evaluated. Image SEO for professionals If you want to Special Data go even deeper into the ranking factors, you simply have to get the image SEO ebook by Martin Missfeldt. Here you get a lot more details and his well-founded assessment of the weighting of the individual factors. By the way, he prioritizes the factors mentioned in this article as follows: Alt attribute Surrounding text Multiple use Originality and consistency Image size and versions Image URL (file name) Martin also explains the theory behind Google's image algorithms very well. The latter alone is worth reading.
Don’t lose image rankings during the relaunch When a relaunch occurs, the images almost always change. There are new image formats, new file names or the wildest new directories for the images. You cannot then forward all the images. are often gone in a very short time - and this is often not even noticed. To ensure that this doesn't happen to you, Martin recommends a very good approach in the ebook, which I can present here (thanks, Martin!): The old image must remain intact without being forwarded.
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