riving traffic towards the site requires a lot of effort. The core activity is content creation. Only if this is done well, the other activities will yield results.
Khan Academy and w3schools, both have done a great job. Both have got 50 million plus page views a month.
Both sites provide immensely rich learning content. The site ranking is good and people spend time in these sites. Look at the comparison.
Traffic sources for Khan academy are about 36% direct and 60% by search.
Traffic sources for w3schools are about 14% direct and 84% by search.
What do the above images show?