Watch Chinese stroke order on dictionary entries
You can follow Chinese stroke order for 海 by pressing Write 海 on its dictionary entry. The animation draws the three strokes of 氵 in one colour and the seven strokes of 每 in another. It waits for you to press the button before it starts.
Alongside it are the radical (部首), stroke count (笔画), structure (结构) and parts (偏旁). 海 has ten strokes, seven after the radical, and its parts are 氵 + 每. The entry also identifies 氵 as the meaning part (形旁) and 每 as the sound part (声旁).
The Chinese dictionary on Chinese Boost has animations for most single characters. The few without an animation still show their character details.