The majority of traffic is by mobile device. How can can we keep the comparision while making it mobile device-friendly?

Alternatives:
-Not use multi-column-tables at all?
-Use multi-column-tables and simple two column tables - switch by media query?
-others?

To optimize drawing speed, only show overview at initial page, linking to details page/view

<$>, fmap is listed for Haskell, so it probably should list the function names for PureScript too:

<$>, map
<*>, apply
>>=, bind

Operators can only be declared as aliases for named functions, so every operator in PS has a corresponding function. :)

What you have there is a record inside a data type, records are first class so a type synonym would probably be a better example there:

type Point = { x :: Int, y :: Int}