- "Content" which is most important in improving SERP. It should be unique and fresh.
- "Link building works" like blog commenting, directory listing, guest posting, bookmarking, classifieds.
- "Social Media"- facebook, twitter, google+ -> Posting websites updates, blogs, rss feeds, videos,etc.
- "Updates of website" is also one of the most important factor that assist in keeping your at the top of the lists or improving Serach engine result page (SERP).
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