OPTIPNG.SOURCEFORGE.NET has 131 keywords

First position — 3 keywords | Second position — 5 keywords | Third position — 3 keywords

Keywords Analytic

the 1th position for optipng.sourceforge.net

#	Keyword	Results	Change	Check Date
1	optipng tool	112 000	0	2014-07-21
1	png optimizer freeware	610 000	0	2013-10-23
1	open source tiff optimizer	6 380 000	0	2014-02-11

the 2th position for optipng.sourceforge.net

#	Keyword	Results	Change	Check Date
2	pngoptimizer	29 800	0	2014-07-05
2	tiff optimizer	83 200	0	2015-03-26
2	fast png optimizer	295 000	9	2014-01-21
2	png optimizer download	438 000	-1	2014-12-28
2	png optimizer software	6 780 000	0	2014-10-24

the 3th position for optipng.sourceforge.net

#	Keyword	Results	Change	Check Date
3	png optimizer windows	402 000	0	2016-03-11
3	open source picture optimizer	3 520 000	1	2013-10-25
3	optimize png software	4 520 000	-1	2014-08-15

positions above than 3th optipng.sourceforge.net

#	Keyword	Results	Change	Check Date
4	openu.hg.sourceforge.ne	1 720 000	-2	2014-10-02
4	png compressor program	3 210 000	0	2014-06-10
4	optimize png for web	4 360 000	0	2014-06-27
5	zlib compression levels 256	443 000	0	2014-08-28
5	free png optimizer	680 000	2	2014-01-02
5	png optimize for web	5 210 000	10	2013-10-19
6	opensource convert tiff to png	143 000	0	2014-10-03
6	LZW	2 290 000	16	2013-10-30
7	optipng online	161 000	0	2014-05-28
7	data filter png	44 200 000	-3	2016-11-04
8	open source gif optimizer	78 400	0	2014-08-31
8	png optimizer mac	227 000	29	2014-01-20
8	optimize png web	4 220 000	1	2014-04-02
9	image optimizer for windows	273 000	13	2014-01-22
9	shrinking png sequence size	763 000	-4	2015-08-14
9	png optimizer settings	895 000	0	2014-10-22
9	gif optimizer ant	1 440 000	0	2014-04-17
9	optimize png	7 800 000	-3	2014-05-19
9	program png	648 000 000	0	2013-10-24

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