for keywords ranking which is the best seo and smo ?

SEO is always better for ranking keywords in Google's top SERPs. You can build back links to high PR websites with the help of techniques like forums, article submission, directories and social bookmarks.

Follow all seo off page techniques as well as do social media optimization of your webpages for all top social media websites.

For high Keyword ranking on web pages we need a perfect back links & also a huge volume of traffic.

Obviously its SEO. If you need your business to get more exposure then you have to conduct Social Media Campaign.

SEO is best for keyword ranking.

SEO was enough to get ranking for your keywords.But due to so many Google algorithm updates it is good to use both the techniques to get ranking in serp.

Search engine optimization is the best method which is helps to improve keyword ranking.

follow all the off page techniques and submit it to only high page rank sites.

Both are important, but no a days SMM is taking an upper hand over SEO in web marketing; also I would mention on-page is now very very important. On - Page plays key role to top your site in major search engines. 

Keyword ranking is the position in the search result by searching specific keyword on search engine. Commonly users will click those web sites at first search several positions only. So it is important to monitor your rankings and improve them to drive more visitors to your web site, not to your competitors.

social media optimization seems similar to the more widely-known search engine optimization. Both types of optimization are web-based, and both endeavor to increase Internet traffic and overall publicity. The chief difference is in social media optimization's specific usage of social media tools in its efforts for increased online activity.

web 2.0 is the bets way to rank the keywords in the search engine.

You can build backlinks to high PR websites with the help of techniques like boards, writing and submitting articles, internet directories and socializing on the favorite sites.

SEO is by far the best technique to improve your keyword rankings. There are many other benefits of doing SEO. You can get free traffic to your website and you don't have to spend money on PPC to get high search engine rankings.

SEO is always better for ranking keywords in Google's top SERPs. You can build back links to high PR websites with the help of techniques like forums, article submission, directories and social bookmarks.