User-agent: * 
Disallow: /admin/
Disallow: /index.php?route=common/home
Disallow: /index.php?route=product/search
Disallow: /index.php?route=product/category
Disallow: /*&limit
Disallow: /*&sort
Disallow: /*?sort=
Disallow: /*?limit=
Disallow: /*?route=checkout/
Disallow: /*?route=account/
Disallow: /*?route=product/search
Disallow: /*?route=affiliate
Disallow: /*&page=
Disallow: /*?page=