Keyword Analysis & Research: qr code was invented by

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
qr code was invented by	0.25	0.9	6177	75	23
qr	0.38	0.4	2305	73	2
code	0.99	0.2	935	92	4
was	1.96	0.6	6883	95	3
invented	0.82	0.4	8888	7	8
by	0.2	0.4	6198	28	2

Keyword	CPC	PCC	Volume	Score
qr code was invented by	1.17	0.5	2564	35
qr code was invented in 1994	0.17	0.9	2823	96
who invented qr code	1.06	0.1	1892	68
which country invented qr code	0.5	0.5	3338	47
who developed qr code	1.88	0.8	4342	43