SUDOKU.IRONMONGER.COM has 9 keywords

Second position — 2 keywords

Keywords Analytic

the 2th position for sudoku.ironmonger.com

#	Keyword	Results	Change	Check Date
2	sudoku buddy	343 000	0	2014-04-30
2	aligned pair exclusion	2 690 000	0	2014-08-31

positions above than 3th sudoku.ironmonger.com

#	Keyword	Results	Change	Check Date
11	sudoku color exclusion	195 000	0	2014-08-09
13	cross hatch puzzles	1 180 000	0	2014-06-29
18	steps for sudoku	2 110 000	0	2014-04-01
25	solving sudoku by step	94 300	0	2014-03-01
34	sudoku xy wing	10 800	-5	2013-11-19
39	sudoku exclusion by color	2 510 000	0	2014-01-04
47	simple color by number	86 000 000	0	2014-06-23