Article submission is an advertising tool that creates backlinks and increase traffic to your website.the content must be unique in your article because content will attract more users or readers towards your website.

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Article submission is a great resource for increasing traffic and improvement traffic to your website and also getting one way links back to your site.so another benefit of article submission is that it is a wonderful tool for Search Engine Optimization. Your site is considered valuable when you have one-way links pointing toward it.so mostly banifit is is increase to ranking....

I think you relied completely on article marketing which I think is not good.. Try to give priority to all the methods and dont just focus on one method or other...
I think article marketing works only when you have killer content in the article...Since you are submitting articles in big directories so the probability of getting link juice from them is very less, I would say 0.01%...If your article is good then may be some blogger will pick it up and publish it in his blog. That would give you a link in his homepage...But this will work only when you have outstanding content for the articles

Currently, lots of people are enjoying the benefits of article submission in SEO. Article marketing is an exceptional way to attract new traffic to your website. Article submission is said to be one of the best ways to increase traffic in your website.

Article submission is said to be one of the best ways to increase traffic in your website. This is one of the greatest ways by which you can back links to your site. Experts believe that article submission as an SEO technique is much better than link exchange and the use of link exchange websites. Articles are submitted in directories which accept articles of various categories – thus no matter what business you have, you are surely going to benefit from article submission.

Article submission to promote your website: Once you publish an article on a popular article directory, lots of people will read your article. If these readers find your content interesting and informative, they will obviously love to know more about your business, and thus, will visit your site through the link that you provide in your resource box. So a well-written article posted on a good article directory will soon bring you new customers.

Article submission is the most important factor which matter to rank your website. If you are doing article submission then sure you will get a top ranking in all the search engines.

Article Submissions offer an avenue for the world to find out about your site without having ever clicked on your site and using SEO strategies this can work in the favor of your business in a multitude of ways.

The advantages of composing and submitting articles at first look appear to be quite apparent. Surprisingly, it is the edge advantages of composing and submitting articles that truly advantage internet marketers the most. The other advantage of this method is for linking objective. Effective content symbolizes the first step that you need to take in order to drive site visitors to your web page.