List Ranking the 20 Best Study Websites
We have determined the 20 Best Study Websites based on the of traffic each website receives. Here is our list of rankings for the Top 20 Most Visited Study Websites. Specifically rankings are based on the number of estimated unique visitors received . Our data for unique visitors is collected from several sources, which are updated yearly. Updated : 2023
Unique Visitors | 3,500,000
CliffsNotes is the original (and most widely imitated) study guide. CliffsNotes study guides are written by real teachers and professors, so no matter what you’re studying, CliffsNotes can ease your homework headaches and help you score high on exams. Founded in 1958 by Clifton Keith Hillegass, CliffsNotes is the original company that produced study guides and book summaries ranging from Shakespeare to Algebra and the SAT!