Keyword Analysis & Research: qr code was invented in 1994

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
qr code was invented in 1994	1.39	0.9	3605	26	28
qr	1.54	0.3	5698	48	2
code	0.72	0.3	3291	93	4
was	0.01	0.9	5974	25	3
invented	1.95	0.6	792	23	8
in	0.13	0.8	987	83	2
1994	0.86	0.9	7503	20	4

Keyword	CPC	PCC	Volume	Score
qr code was invented in 1994	0.76	0.4	5398	32
which country invented qr code	0.87	0.7	2331	30
who developed qr code	0.28	0.7	8927	61
why was the qr code invented	0.59	0.1	7257	47
who made the qr code	0.56	0.5	7410	27
who developed the qr code	0.52	0.3	7981	14
invention of qr code	1.6	0.7	1877	38
qr code developed by	1.18	1	8294	13