Poker search phrases

One of my more successful sites is mathandpoker.com
According to goggle webmaster tools the top 20 search terms that visitors use to reach the site are

# % Query Position
1 29% poker math 4
2 8% math in poker 2
3 8% football models 5
4 8% mathematics of poker 5
5 4% math and poker 2
6 4% poker mathematics 6
7 3% big bet per hour expectation 2
8 3% poker math simplified 2
9 3% shortstack math 2
10 3% math poker 3
11 3% mathematics in poker 4
12 3% poker maths 4
13 3% poker stove 6
14 3% poker statistical analysis 7
15 3% the mathematics of poker 7
16 3% mathematics of poker review 9
17 3% law of total probability 10
18 3% random walk gambling 10
19 3% poker blog 21
20 3% borel poker 26