AI Meta / X-Robots Generator

Control AI training and preview snippets — noai, noimageai, max-snippet, noarchive

noai — do not use for AI training noimageai — do not use images for AI training noarchive — no cached copies nosnippet — no text preview at all

max-snippet (chars, 0 = none, -1 = unlimited)

max-image-preview

max-video-preview (seconds, 0 = none, -1 = unlimited)

HTML meta tag

<meta name="robots" content="max-snippet:320, max-image-preview:large, max-video-preview:30" />

HTTP response header

X-Robots-Tag: max-snippet:320, max-image-preview:large, max-video-preview:30

These directives are respected by well-behaved AI crawlers (Google, Bing, OpenAI). Blocking training is separate from blocking discovery — use robots.txt for the latter.