Essentially, what distinguishes direct from organic traffic today is tracking. According to Business2Community, direct traffic is composed of website visits which have “no referring source or tracking information.” A referring source can be a search engine, or it can be a link from another website. Direct traffic can include visits that result from typing the URL directly into a browser, as the simple definition suggests.
Understanding the working mechanism of social algorithms is not a piece of cake. The algorithm for each social platform works differently. For instance, on Facebook, a core factor that affects the rankings of a post is its relevancy score, whereas on YouTube the total watch time of the video per session decides whether a video enters a ‘Recommended Video’ section or not.
To avoid undesirable content in the search indexes, webmasters can instruct spiders not to crawl certain files or directories through the standard robots.txt file in the root directory of the domain. Additionally, a page can be explicitly excluded from a search engine's database by using a meta tag specific to robots. When a search engine visits a site, the robots.txt located in the root directory is the first file crawled. The robots.txt file is then parsed and will instruct the robot as to which pages are not to be crawled. As a search engine crawler may keep a cached copy of this file, it may on occasion crawl pages a webmaster does not wish crawled. Pages typically prevented from being crawled include login specific pages such as shopping carts and user-specific content such as search results from internal searches. In March 2007, Google warned webmasters that they should prevent indexing of internal search results because those pages are considered search spam.[46]

Organic content marketing, on the other hand, finds ways to make customers look for you naturally. In effect, it means using any type of marketing method that doesn’t require a direct payment. But, there are still costs involved. These include paying for content creation and the time spent monitoring the campaign and responding to customers. This type of inbound marketing involves providing valuable content that customers need. Then, supporting it with a constant, online presence (often through social media).
Search Engine Optimization (SEO): Maximizes search result exposure by targeting and driving Web traffic and ultimately delivering increased sales. The majority of search engine page results come from unpaid or organic search. SEO optimizes websites to ensure top search engine placement, such as Google, as only 15 percent of searchers continue beyond page one.
On April 24, 2012 many started to see that Google has started to penalize companies that are buying links for the purpose of passing off the rank. The Google Update was called Penguin. Since then, there have been several different Penguin/Panda updates rolled out by Google. SEM has, however, nothing to do with link buying and focuses on organic SEO and PPC management. As of October 20, 2014 Google has released three official revisions of their Penguin Update.
At our agency, we work with sites of varying sizes, from very large to quite small, and recently, we have noticed a trend at the enterprise level. These sites aren’t relying as much on Google for traffic any more. Not only are they not relying on Google traffic, but also, the sites are getting less than 10 percent (or slightly more) of their organic traffic from the search giant.
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