TL;DR How to Do Code Reviews Like a Human (Michael Lynch)
Let computers do the boring parts: automatically verify that the code builds, tests pass, code matches team style and has no unused imports or unused variables. Settle style arguments with a style guide. Start reviewing immediately, ideally within minutes. Treat code reviews as a high priority. The absolute maximum turnaround on a review round should be one business day. Start high level and work your way down. Keep the number of notes below 20. ...