Sample url: https://openclassrooms.com/courses/understanding-the-web
OpenClassrooms is an edu streaming site that features tons of
videos for you viewing pleasure.
The site has an Alexa rank of 2201, which is considered to be quite good.
To download OpenClassrooms videos you can't use the dl-trick but you can always just copy-paste it or use our bookmarklet shown in the top menu.
More info about OpenClassrooms is coming soon.