Keyword Analysis & Research: two types of photoreceptors in the eye

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
two types of photoreceptors in the eye	0.87	0.5	2489	28	38
two	1.71	0.6	4422	10	3
types	0.1	0.9	1603	7	5
of	0.54	0.8	1415	13	2
photoreceptors	1.91	0.7	774	97	14
in	0.12	0.6	5818	40	2
the	1.66	0.2	9899	16	3
eye	1.24	1	6008	21	3

Keyword	CPC	PCC	Volume	Score
two types of photoreceptors in the eye	1.8	0.9	8717	69