when was the battering ram invented

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
when was the battering ram invented	0.66	0.4	5142	86	35
when	1.51	0.2	2285	45	4
was	0.48	0.6	341	63	3
the	0.91	0.6	1587	3	3
battering	0.58	0.3	6828	76	9
ram	1.38	0.9	1342	59	3
invented	1.23	0.6	4929	54	8

Keyword	CPC	PCC	Volume	Score
when was the battering ram invented	1.94	0.6	5400	61
who invented the battering ram	1.31	0.6	9320	62
which empire invented the battering ram	1.45	0.6	897	83
when were battering rams first used	0.18	0.6	204	92
when was the ram invented	0.09	0.5	280	2
battering ram for sale	1.91	0.8	7004	24
battering ram middle ages	1.55	1	6482	47
when was the ram memory chip invented	0.44	0.6	3379	1
when was ram made	0.6	0.2	100	30
the history of ram	0.88	0.2	9088	41
how to make a battering ram	0.41	0.9	7785	72
when was ram added	0.89	0.3	8874	90
when did ram start	0.47	0.7	5016	100
history of ram memory	1.39	0.8	8661	48
battering ram medieval times	1.86	0.4	1576	58
when was ram founded	0.66	0.9	5221	45
what is a battering ram made of	0.4	0.3	2851	14
had a battering ram for a weapon	1	0.3	8448	86
when did ram exist	1.29	0.3	9170	23
when did ram become a make	1.07	0.2	1090	73