Robots元标签All Noindex Nofollow None Noarchive Nositelinkssearchbox Indexifembedded Notranslate Noimageindex Unavailable_after:[日期/时间]Nosnippet Max-snippet: [number] Max-image-preview: [setting] Max-video-preview: [number] Rel值for link qualified Rel =” Nofollow ” Rel =”ugc” Rel =”sponsored”汇总起来.