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The Art of SEO: Mastering Search Engine Optimization (Theory in Practice) Highlight
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— Eric Enge and Stephan Spencer and Rand Fishkin and and Jessie C StricchiolaThe search engine has to rely on text surrounding the image, the alt attribute within the img tag, and the image filename. Optimizing for image search is its own science,
Replicated under Fair Use from The Art of SEO: Mastering Search Engine Optimization (Theory in Practice) by Eric Enge and Stephan Spencer and Rand Fishkin and and Jessie C Stricchiola.