PURIFILABS.COM: Keyword Density Checker

Total words: 1984 | 2-word phrases: 515 | 3-word phrases: 572 | 4-word phrases: 594

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Title	Try to keep the title under 60 characters (13 characters) Home - PuriFi
Description	Try to keep the meta description between 50 - 160 characters (0 characters)
Keywords	Meta keywords are not recommended anymore (0 characters)
H1	H1 tag on the page (6 characters) Proof.

#	Keyword	Frequency	Density
1	air and surface	5	0.87%
2	indoor air quality	5	0.87%
3	scientific advisory board	4	0.70%
4	air and surfaces	4	0.70%
5	of purifi please	3	0.52%
6	levels of purifi	3	0.52%
7	performance levels of	3	0.52%
8	test report summary	3	0.52%
9	read test report	3	0.52%
10	purifi amp technology	3	0.52%
11	purifi scientific advisory	3	0.52%
12	results may vary	3	0.52%
13	as defined in	2	0.35%
14	other diseases in	2	0.35%
15	aerosol treatment technologies	2	0.35%
16	treatment technologies in	2	0.35%
17	technologies in reducing	2	0.35%
18	in reducing the	2	0.35%
19	transmission of airborne	2	0.35%
20	of airborne viruses	2	0.35%
21	airborne viruses and	2	0.35%
22	viruses and other	2	0.35%
23	and other diseases	2	0.35%
24	diseases in enclosed	2	0.35%
25	efficacy of aerosol	2	0.35%
26	review the latest	2	0.35%
27	the latest reports	2	0.35%
28	latest reports of	2	0.35%
29	epa’s homeland security	2	0.35%
30	the epa’s homeland	2	0.35%

#	Keyword	Frequency	Density
1	levels of purifi please	3	0.51%
2	performance levels of purifi	3	0.51%
3	read test report summary	3	0.51%
4	purifi scientific advisory board	3	0.51%
5	viruses and other diseases	2	0.34%
6	experiences of individual customers	2	0.34%
7	assess the efficacy of	2	0.34%
8	the efficacy of aerosol	2	0.34%
9	efficacy of aerosol treatment	2	0.34%
10	of aerosol treatment technologies	2	0.34%
11	aerosol treatment technologies in	2	0.34%
12	treatment technologies in reducing	2	0.34%
13	technologies in reducing the	2	0.34%
14	selfreported experiences of individual	2	0.34%
15	transmission of airborne viruses	2	0.34%
16	of airborne viruses and	2	0.34%
17	airborne viruses and other	2	0.34%
18	and other diseases in	2	0.34%
19	of individual customers to	2	0.34%
20	the improvements represent the	2	0.34%
21	vary the improvements represent	2	0.34%
22	may vary the improvements	2	0.34%
23	results may vary the	2	0.34%
24	individual results may vary	2	0.34%
25	installing purifi in their	2	0.34%
26	after installing purifi in	2	0.34%
27	review the latest reports	2	0.34%
28	the latest reports of	2	0.34%
29	latest reports of scientific	2	0.34%
30	reports of scientific tests	2	0.34%
31	of scientific tests performed	2	0.34%
32	other diseases in enclosed	2	0.34%
33	test processes and to	2	0.34%
34	individual customers to view	2	0.34%
35	as defined in the	2	0.34%
36	technology tested by the	2	0.34%
37	tested by the epa’s	2	0.34%
38	by the epa’s homeland	2	0.34%
39	the epa’s homeland security	2	0.34%
40	epa’s homeland security research	2	0.34%