Comment on Ask HN: Formula for better measuring improvements in SERP position over time?Comments−mattgratt15yNot entirely sure what you're asking here, but if you're trying to measure keyword difficulty, keyword rank, and their intersection, SEOMoz has tools w/ APIs for this.
Comments
Not entirely sure what you're asking here, but if you're trying to measure keyword difficulty, keyword rank, and their intersection, SEOMoz has tools w/ APIs for this.