hello, i go to url www.site.com/product-name-aaa-11.html, i get product info page of product aaa,
if i change that id 11 to 12, i go to url www.site.com/product-name-aaa-12.html , i get product info page of product bbb
but why the url couldn't automatically directed to www.site.com/product-name-bbb-12.html ?
is there anything what i missed? or thats just ultimate seo couldn't do?