Visual Search Optimization: Images as Search Queries

Where Visual Searches Happen

Google’s Lens page lists the entry points: the Google app, Lens in Chrome on desktop (“select, search and ask questions about anything you see on the web”), and the camera app on some Android devices. Uses Google highlights include shopping (“look up who makes it, how much it costs, and where to buy it”), translating text, and asking questions about what’s in view.

For a site, those uses map to three needs:

What Helps Images Get Understood

Google’s image SEO guidance says that “Google uses alt text along with computer vision algorithms and the contents of the page to understand the subject matter of the image.” The practical steps from the same guidance:

• Put images near relevant text, on pages about the image’s subject. Google “extracts information about the subject matter of the image from the content of the page, including captions and image titles.”
• Write useful alt text. Describe what the image shows in context. Google warns that filling alt attributes with keywords “results in a negative user experience and may cause your site to be seen as spam.” It sets no character limit.
• Use descriptive filenames, which give “very light clues” about the subject.
• Use sharp, high-quality images, optimized for speed.
• Make images crawlable, using standard HTML image elements and an image sitemap where useful.

The full set of techniques is in image SEO.

Product Images

Visual product searches lead to pages that can answer “what is this and where can I buy it”:

• Photograph your own products, from several angles, against clean backgrounds, with close-ups of distinguishing details. Manufacturer images shared across retailers give a visual match little reason to prefer your page.
• Keep the product name, model and key attributes in text on the page, matching the image.
• Add product structured data with the image property, price and availability; Google’s guidance notes that structured data can make images eligible for rich results and badges in Google Images. See product schema and rich results.
• Keep a Merchant Center feed accurate if you sell online; see shopping results and merchant listings.

Text in Images

Lens can read and translate text in images, but text inside an image isn’t a substitute for text on the page. Keep important words (product names, instructions, prices) in HTML, and use images of text only where the image itself is the point, such as a sign or a label.

Measuring Visual Search Traffic

• Search Console: the Performance report’s Image search type shows clicks and impressions from Google Images; see the Google Search Console guide.
• Your own checks: run Lens on your key product images and pages and note which pages it shows, with the date.
• Analytics: landing pages for product and image-heavy content, compared over time.

Search Console doesn’t report Lens searches as a separate category, so treat these as indicators, not a count of visual searches.

Other Platforms

Shopping and social platforms run their own visual search with their own rules. Check each platform’s business documentation before adapting images or feeds for it, and keep your own site’s images and product data as the source the other channels draw from.

When you run Lens on one of your product images and it shows another retailer’s page using the same photo, start with the image: replace the shared manufacturer photo on your page with your own.