User-agent: *
            Disallow: /sample-*
            Disallow: /blog/sample-*
            Disallow: /ppc*
            Disallow: /knowledge-base*
          
Disallow: /_hcms/preview/
Disallow: /hs/manage-preferences/
Disallow: /hs/preferences-center/
Disallow: /*?*hs_preview=*
Disallow: /*?*hsCacheBuster=*
