Some web service search engine refuse the registration through form external or automatic submission, hence some services free submitter fixed recommend direct submission in web page. Alternatively its, you still able to register website free of chargely through form provided direct by search engine the pertinentness. Form registration URL weared search engine in this time mostly have the protection code prohibit the automatic registration from other web. This matter is done solely for prevent the action spamming, what is often done with script submitter CGI by other party.
So that facilitate to you submission, here under is lists link submission for a few search engine and popular directory
If any broken link please tell us.