You can see the social sharing buttons on the left of each post on this blog. Thousands of blogs have adopted this technique of sharing their content on social networking sites like Digg, Facebook, Twitter, Stumble upon, etc. Why do they need to share their content even though they have thousands of daily readers and visitors? The answer to this question is really simple. Social share helps you improve your SEO score with search engines and you can't ignore this for your blog.
Search engines place more value on your content if it is spread widely on social media sites. Sharing your content on social media helps you get some inbound links to your blog. Also, social bookmarking sites are regularly crawled by search engine spiders. Therefore, submitting your links to these sites can help to index your content more quickly. Social sharing is highly recommended if you want to quickly increase your blog's PageRank. Although search engines do not value all links equally, as there are also scammers on the Internet who create fake accounts on these sites. Basically, there are two things that search engines look for in a blog to rank them by their social presence:
Amount: Amount here refers to the number of likes and shares by your blog visitors. The higher the number of shares or likes, the higher your blog will be ranked by search engines. A large share count indicates that your content is valuable to a particular society and therefore search engines pay more value to your blog. Also, add link juice as social sharing is done by promoting your blog links on social media sites.
Many followers: Search engines expect the number of followers of your blog. A large number of followers indicates that your blog is trusted and its content is valued. A large following and readership help you spread your content to a large network of social sites which, in return, adds link juice and improves SEO score.
Social sharing brings more traffic to your blog. It is recommended to tag your submissions with your keywords. It helps to attract targeted traffic to your blog. And targeted traffic makes money, which is the basic need for 90% of bloggers. Therefore, social sharing is imperative for the success of your blog. Just make sure you don't spam social bookmarking sites with links. Otherwise, things can go against you.