first spacecraft to land on mars twice

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
first spacecraft to land on mars twice	1.39	0.2	4545	52	38
first	1.35	0.2	4422	82	5
spacecraft	0.94	0.4	5105	58	10
to	0.62	0.4	5773	92	2
land	1.05	0.2	9746	24	4
on	1	0.5	178	14	2
mars	1.84	0.6	7325	16	4
twice	0.1	0.1	2479	60	5

Keyword	CPC	PCC	Volume	Score
first spacecraft to land on mars twice	1.96	0.3	2206	6
first spacecraft on mars	0.49	0.1	1335	68
first spaceship landed on mars	0.48	0.5	2076	98
spacecraft that landed on mars	1.3	0.6	5948	38
first mission to land on mars	1.23	0.1	1137	39
first to land on mars	1.95	0.1	2103	46
first rocket to land on mars	0.23	0.9	6585	8
who landed on mars first time	0.31	1	8230	18
spacecraft landing on mars	0.27	0.7	9693	77
first successful landing on mars	0.99	0.2	8717	41
who landed on mars first	0.04	0.9	5986	15
spacecraft that landed on mars in 1997	0.35	0.5	2275	63
first satellite launched to mars	0.19	0.9	6021	79
when did nasa first land on mars	0.03	0.2	2795	99
nasa first landing on mars	0.61	0.9	7509	2
first satellite to mars	0.66	0.6	4948	15
what spacecraft visited mars	0.64	0.1	1378	48
first manned mission to mars nasa	1.43	0.1	2521	16
who launched satellite to mars first	0.58	0.5	4299	51
first manned mission to mars	0.22	0.6	5782	26
first flight to mars	0.02	0.4	6647	88