he Difference between 2 way & 3 way Link Exchange: Assume that there is a site A & There is one other site B. So there are two links.
A -> B
B -> A
And now a few SEO experts came up with the new way of link exchange called 3-way link exchange so that the search engines don't find out that they are linked back due to a link exchange. So they created the 3-way link exchange, which would add another site C to the Link Wheel.
So the link exchange would look like below.
A -> B
B -> C
C -> A
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