Without paying money and get the traffic to your website is called organic traffic...

Organic traffic generally refers to non-paid traffic, so includes traffic from:

Search engines like Google, Bing and Yahoo.
Social media sites like Twitter, Facebook and Pinterest.
Referral traffic from other sites - visitors arriving at your site after clicking on a link on another website.
Direct traffic - someone typing in your URL into a browser.

Organic traffic is what most marketers strive to increase. This traffic is defined as visitors coming from a search engine, such as Google or Bing

Easy way to understand Organic Traffic
 

Organic Traffic can be described as the visitors who are coming to your website through search results. When a users is searching any word in search engine like Google, yahoo, bing ,ask etc then it will give results related to that particular word . And if user is clicking a link which goes to your website it means you are getting organic traffic.

In short and sweet I can say like getting visitors to your website with out spending single penny from your pocket.

Organic traffic means traffic coming your website to screech engines total free and not paid traffic

Organic traffic is what comes to your site without doing any kind of paid promotional activities. E.g. when someone directly types in the url of your site into their browser and hits enter.

Organic traffic" is traffic that comes to your website as a result of unpaid search results.
like that come from on page and off page seo not from PPC or other adword methods

Organic traffic" is traffic that comes to your website as a result of unpaid search results.

Organic traffic is also referred as Search Engine traffic, Google traffic or natural traffic.

Organic traffic generally refers to non-paid traffic.

the traffic which come from the seo related activities in known as the organic traffic

Is traffic to natural sources like google or from social networking links

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getting traffic from search engine is called organic traffic

"Organic traffic" is traffic that comes to your website as a result of unpaid search results.

Organic traffic is the traffic to your website gets without employing any paid search marketing techniques.