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Google Image Proxy

Google's image caching proxy service used by Gmail and other Google services to cache and serve images.
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Preview

What is Google Image Proxy?

Google Image Proxy is Google's link preview bot. Google's image caching proxy service used by Gmail and other Google services to cache and serve images.

Google Image Proxy controls how your links look when they are shared. Rich previews drive clicks across social and messaging platforms, and clean preview metadata also helps AI systems parse your pages. Allowing it keeps your content looking polished wherever it appears.

Like any automated client, Google Image Proxy consumes crawl budget and appears in your server and CDN logs. Reviewing those logs alongside your robots.txt rules helps you keep automated traffic deliberate and easy to reason about.

Want to see every AI bot hitting your site? Promptwatch turns your server and CDN logs into a live view of AI crawler and agent traffic, so you can watch ChatGPT, Claude, Perplexity, Gemini, and others crawl your pages and connect those visits to real citations and revenue. Learn more in AI crawler logs.

See every AI bot hitting your site

Promptwatch turns your server and CDN logs into a live view of AI crawler and agent traffic. Watch ChatGPT, Claude, Perplexity, Gemini, and more crawl your pages in real time, see exactly what they take, and connect every crawl to the citations and revenue it drives.

How to handle Google Image Proxy

You will usually want Google Image Proxy allowed so shared links render rich previews. Block it only if you do not want preview cards generated for your pages.

To control Google Image Proxy, add a rule for its user agent to your robots.txt:

User-agent: GoogleImageProxy
Disallow: /

Replace the user-agent token above with the exact string Google Image Proxy sends, check the operator's documentation, since display names and user-agent tokens can differ.

Google Image Proxy generally honors robots.txt directives.

Examples

  • When a user shares a link, Google Image Proxy fetches the page's Open Graph tags to build a rich preview card.
  • A team adds Open Graph and image metadata so Google Image Proxy renders an attractive preview for shared URLs.

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Frequently asked questions about Google Image Proxy

Learn about AI visibility monitoring and how Promptwatch helps your brand succeed in AI search.

Google Image Proxy is operated by Google. It functions as Google's link preview bot.

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