This document discusses building online reading comprehension. It covers several key topics: (1) theories of reading comprehension and how they apply to online reading; (2) differences between online and offline reading and challenges of online reading; (3) skills needed for online reading comprehension including decoding, meaning making, using and analyzing text; and (4) strategies for teaching online reading comprehension including modeling skills, scaffolded activities, collaborative projects, and think-alouds. The goal is to help students develop skills for comprehending various online text types and evaluating online information.