An image helps discovery when it contributes information to a useful page: a product detail, a real place, a process, a comparison or a result the visitor can understand. There is no separate GEO image file or metadata field that guarantees inclusion in an AI answer. Google advises site owners to support important text with high-quality images where appropriate and to keep structured data consistent with the visible page. Google Search Central
Choose a visual with an editorial purpose
List what each important page needs to show. A service may benefit from a real team at work, a product from informative angles, and a how-to guide from the step that is hardest to explain in words. Avoid a generic photograph that suggests an activity, client or location the page cannot substantiate. Record the source and usage rights before publication.
Place context close to the image
Put the visual near the relevant explanation. Write a natural alternative text describing its information or function in that context; use an empty alternative for a purely decorative image. Add a caption when it identifies a person, place, process step or important measurement. Google's image SEO guide identifies alt text and surrounding page content as important signals and discourages keyword stuffing.
Deliver a file that works on real devices
Keep an adequate source and export sizes suited to the display. Set dimensions to reduce layout movement, use responsive variants where appropriate and prioritise the main image visible at page load. Avoid lazy loading an important first-screen image by default. Check mobile crops and legibility, especially for a diagram or text embedded in a visual. The image preparation guide provides a complete publishing checklist.
Distinguish what measurement can show
Monitor the page, image-search traffic where available, engagement with the page and the actions that follow. A visual search result or AI answer may vary with query and context. Do not infer that a filename or metadata change alone caused a ranking movement. Compare a documented before-and-after period, and inspect whether the image now answers the visitor's question better.
Practical next step
Audit five important pages: purpose of the image, rights, nearby explanation, alternative text, mobile crop and downloaded size. Replace only visuals that fail to represent or explain the subject. Keep the source and the reason for each replacement in the editorial inventory.