Keyword Analysis & Research: why was it so difficult to make blue led

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
why was it so difficult to make blue led	1.69	0.2	6182	27	40
why	0.07	0.4	4422	47	3
was	1.88	0.5	474	39	3
it	1.56	0.3	2214	8	2
so	0.98	0.5	9215	32	2
difficult	1.15	0.7	7299	79	9
to	0.09	0.4	8809	63	2
make	1.11	0.9	1646	92	4
blue	1.15	0.8	2153	31	4
led	0.9	0.5	1186	92	3

Keyword	CPC	PCC	Volume	Score
why was it so difficult to make blue led	1.38	1	6931	53