Bookmarklet
Paste the text you had like to speed read in the below TEXT BOX:

words per minute
chunk size (words)
window width (px)
window height (px)
font size
font color
background color
alignment
Speed variability : slow down for larger chunks and speed up for smaller chunks so average wpm stays the same
Start new chunk at end of sentences and paragraphs
Slight pause at end of sentences and paragraphs
Skip over "stopwords" which convey no additional meaning to the sentence (i.e. 'the','an',etc)

Edit stopword list:

Speed reading 0 words at wpm
Use the below Keyboard shortcuts
n - new   p - play/pause   r - restart   s - settings