Search Engines view links from Website A to Website B as a "vote" for website B. Website A’s "vote" is telling the Search Engine that Website B is a trusted source for related information. This is also true for Webpages within a Website. If Webpage A links to Webpage B, this tells Search Engines where to send users within the Website. These "votes" are given value based on where they are coming from and where they are going. The process in which this happens is called Link Flow.
In technical terms, a Webpage's Total Link Flow™ is actually the dominant eigenvector of the modified adjacency matrix, where each node is actually a Webpage and the matrix is the 'graph of Webpages' called the Internet. Each Link's Net Link Flow Share is actually the final result of the "transition probability" or adjacency function that is used during the computation of the eigenvectors. The Link Scorecards describe this adjacency function in detail, by showing all factors that make up this result.
This percentage allows you to visualize where Link Flow would most likely "pool" within a Website. Another way of thinking about this is that if a visitor entered the Website at any other random Webpage in this Website, this would be the probability that he/she would end up visiting this Webpage. One of the most powerful components of SEO Engine — being able to visualize the Link Flow Distribution at both macro- and micro-scale — users can easily and quickly push the Link Flow Distribution towards the more competitive Market Focuses.
Internal Incoming Link Flow is Link Flow which is received from Webpages within the same Website. It can be considered a total of all of the other Webpage's External Incoming Link Flow that made it to this Webpage as a result of the Website's Internal Link Structure.
External Incoming Link Flow is Link Flow which is received from other Webpages outside of this Webpage's Website.
Link Flow is the life blood of SEO. External Incoming Links from Webpages with a high average Net Total Link Flow will play a significant role in your Website's authority and ability to rank high in organic Search Engine Result Pages (SERPS).
Gross Total Link Flow takes into consideration External and Internal Incoming Link Flow, and represents the snapshot of actual Link Flow that a Webpage receives. Think of Total Link Flow as snapshot in time of Link Flow flowing through a particular point (in this case, a Webpage). A Webpage's Total Link Flow is the External Incoming Link Flow arriving to that Webpage, plus all of the other Webpage's External Incoming Link Flow that made it to this Webpage as a result of the Link Flow® Distribution (the Internal Incoming Link Flow).
Net Total Link Flow is what the Search Engine sees after taking all on-page and off-page penalties into account. The SEO Engine Score shows the process in which a Webpage's Gross Total Link Flow is reduced to its Net Total Link Flow
One of the most significant indications of your Webpage's authority is the resources it provides to its users via Links. Search Engines prefer a Website that links to other related authoritative Websites with high Link Flow.
Let's say, for example, that a particular Website has 4 Webpages, all linked together in some fashion. Webpage #1 has an Link Flow Distribution of 2%, while Webpages #2,#3,#4 have an Link Flow Distribution of 0.5%. Now let's say Webpage #4 has a lot of External Incoming Link Flow. That Link Flow would first and foremost benefit Webpage #4.
But Link Flow is not stagnant. It continues to "flow" to other Webpages according to the linking structure of that Webpage (and other Webpages in that Website). Therefore, the External Incoming Link Flow that Webpage #4 has now "flows" to Webpage #1, #2, and #3.
What is the distribution of this "flow"? The Link Flow Distribution tells us that Webpage #1 gets 4 times the Link Flow that is received by Webpage #2 and #3 (2 / .5 = 4). Therefore, you would expect to see a more significant Total Link Flow for Webpage #1 than you would see for Webpages #2 and #3, even though Webpages #1, #2, and #3 have absolutely NO External Incoming Link Flow. This is because the corresponding Internal Incoming Link Flow has caused the External Incoming Link Flow that came into the Website via Webpage #4 to "pool" into Webpage #1.
Net Link Flow Share is the amount of Link Flow that is passed from one Webpage to another through a particular Link. In its simpliest form, the Gross Link Flow Share™ amount is the Link Flow of that Webpage divided by the number of "Followable" Links on that Webpage. SEO Engine, like other Search Engines, actually takes into account many other factors, which are all shown on the Link Scorecards within SEO Engine, and which result in a Net Link Flow Share.
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