As a full-time online English teacher, students and parents often ask which reading websites I recommend. The truth is, it depends on  your goals. My recommendations differ based on English proficiency and grade. That's why I have created not one, but three lists.... 

Commonlit.org
Intro
Best for:
Pros
Cons

Breaking News English

freekidsbooks.org

Honorable mentions: Open library and Gutenburg press

​https://www.goodnewsnetwork.org/

K5learning

http://www.read.gov/aesop/001.html.

 https://www.readworks.org --> sign up necessary, but free

https://americanliterature.com/

a-z.com

RAZkids.com

storybots.com

starfall

headsprout

http://www.bibliomania.com/0/-/frameset.html

Poetry
https://poets.org/ --> section for teens and for kids
https://www.poetryfoundation.org/

Writing
* Quill.org
* Podcast: Institute for excellence in writing