You can do Off Page SEO.
Some of the factors considered by the major search engines in evaluating the off-page optimization of your web site include :
█ Social sites submission.
█ RSS feed submission.
█ Press release and News submission.
█ Blog Commenting on ‘DoFollow’ Sites
█ Try to get Backlinks from sites that are relevant to your content.
█ Directory Submission
█ Business Reviews
█ Local Listings & Yellow Pages
█ Widget / Gadget Development
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