decrese rating after create weblog and backlink in them

Started by tadbirgaran, 09-13-2016, 10:06:49

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tadbirgaranTopic starter

hi
position of my keyword in google in last weak is 3.
in last friday i create 12-13 weblog and create link in them.
after 2 days my position decrease to 10-13.
why happen?
How to get previous rating?
please help me :(