Keyword Analysis & Research: xref not showing up in pdf

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
xref not showing up in pdf	1.71	0.7	1055	21	26
xref	0.02	0.6	4359	62	4
not	0.07	0.3	7877	87	3
showing	0.12	0.8	1589	75	7
up	1.23	0.6	5491	38	2
in	0.98	0.6	5496	80	2
pdf	0.15	0.3	9807	2	3

Keyword	CPC	PCC	Volume	Score
xref not showing up in pdf	1.88	0.9	8160	81