(Some exercises help to quickly recognize individual words, phrases, and structures. The last exercise, whose English is probably challenging, deals with the understanding of complex sentences.)
(Exercise 1 is used as pre-test and post-test. Exercise 2 involves the causes of slow reading, some tips and practice.)

(This commercial website provides some background information and 2 pretests, which are rather long and emphasize memory.)

(Besides some theory, this commercial website offers some pretests concerning 4 different levels.)