There are many web sites offering search engines submission services free of charge. These sites provide auto and manual submissions of your URL to the leading, highest-rated search engines and directories for free.
The list of sites I tried before:
Submit Express – submits to over 70 top search engines and directories.
AddME – submits to 20 top search engines and directories.
SubmitStart – submits to leading search engines.
Free Web Submission – submits to over 50 highest-rated search engines and directories.
Premium services provided by these web site are such as Search Engine Optimization (SEO), Pay Per Click (PPC) search engine advertising placement, social media marketing, SEO software and keyword tools.
