https://studystat.io/ 1.0 https://studystat.io/en 1.0 https://studystat.io/en#features 0.8 https://studystat.io/en#pricing 0.8 https://studystat.io/en#demo 0.7 https://studystat.io/en#faq 0.6 https://studystat.io/de 1.0 https://studystat.io/de#features 0.8 https://studystat.io/de#pricing 0.8 https://studystat.io/de#demo 0.7 https://studystat.io/de#faq 0.6