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I have a website for some month it was doing good for most of the keyword. But recently I cound not find my website in 80% of my keywords. Few days ago 400- 500 unique visitor visited my website everyday. But now it is dropped to 100-110. I've lost my ranking in almost 80%
of my keword. But thank god I still have my websiteon main keyword in page 7 ( I mean page 7 not page 1 postion 7 ) . I want to move to page 1 or atmost page 2. How can I achieve this with blackhat tool like senuke ? The keyword is medium competition.

Previously I made tired 1 link building with 7-8 web 2.0 sites like blogspot, wordpress and tumbler. Written 5-6 manual post in each website and in every post I provided link to the main website. And did seo stuffs on those web 2.0 sites with senuke. I didn't do any blackhat stuffs on my main website. Still my main website is penalized while those tired 1 web 2.0 websites I can still see in some keywords.

Please help with this questions
Best blackhat way using senuke to move my main website to page 1 or 2 ( no churn and burn way but for long term) in main keyword

I assume it is link building Penality.

Only exp user can tell answer

You did wrong that's why you hit by Google Panda 4.0.Currently Google is just like the backlinks come from only Social Media sites.Actually SEO is just Social media work.

Wrong section - The freebies is for posting shares.

You're better off posting this in the search engine sections of the forum.