social media marketing, in which sharing information or content publicly with users. and Email marketing is done by delivering emails with specific temples or format to many clients who can buy your services or products.
In SEO, on-page optimization promote important factors that have an most effect on your Web site or Web page listing in natural to search engine results. And on-page seo include actual HTML code, meta tags, keyword placement and keyword density.
web 2.0 submission play important role in seo. it's a easy and very effective way to get quality backlinks and increase traffic. Tumbler, Reddit, StumbleUpon, LiveJournal is most popular web 2.0 sites.