This is an excellent introductory resource on movement in Overwatch. Learning how to dodge and strafe, as this video guide will teach you, is one fast way to improvement.
Please note: I believe this guide was released before the "crouch cooldown" was introduced. Crouch-spamming may be mentioned as a tactic in this video; it is no longer applicable in the same way.
This is an incredible video series of hidden spots and trick jumps in Overwatch. Although some are difficult to pull off and it may be tough to use them against experienced enemies, you can make use of several spots in the map that are seriously unexpected. Some of these spots are accessible to all characters, some are accessible to only some characters with specific abilities. This is an extremely useful video series regardless of your character choice. And don't miss the other parts to this guide:
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