The sample “One short sentence.” and “Another sentence.”, split by a blank line, has 5 words, 2 sentences and 2 paragraphs. Reading time is 5 ÷ 200 of a minute.
A word is a block separated by whitespace. A hyphen does not split a word. A sentence ends at a period, exclamation mark or question mark.
Questions
Does a line break count as a word?
No. It only separates. Two breaks in a row separate paragraphs.
Is 200 words per minute fixed?
Yes. It is an average silent reading speed, not your pace.
Is the text saved?
The text is sent with this request to count it and is not stored.