TypeSquare distributes subset fonts of the characters extracted from a page.

■ The newer version of the plan tag (typesquare.js v3):

There is no limitation on the number of characters in a subset.

■ The previous version of the plan tag (typesquare.js v2):

The maximum number of characters in a subset is 1,500 character types per font. Redundant characters are counted as 1 character type.