PPC VS. SEO

Compared	PPC	SEO
Meaning	Advertising	A natural result of a search
Cost	Pay for every click	Prophase based on construction, thereafter on monthly charges
Advantages	Immediate effect Unlimited key words Daily budget can be controlled Key words are flexible	Not easily replaceable by others It is a natural result of a search Creating a brand Decrease in cost through time
Disadvantage	Easily replaceable Malignant clicks by same trades Cost will gradually increases	Effect will be displayed slowly Ranking is hard to be estimated precisely
CTR (Click Through Rate)	3%~10%	First page 65% Second page 25% Third page 5%
CPC (Cost Per Click)	The cost increases through ranking and amount of key words used	Decrease in cost per click

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