If you believe you've been impacted by this change you should evaluate all the content on your site and do your best to improve the overall quality of the pages on your domain. Removing low quality pages or moving them to a different domain could help your rankings for the higher quality content. Let's add a bit more to that, put it into practical actions and make a process :
- Test changing those factors on hit pages but use this method of analysis with caution because the pages hit most might not be the pages earning you the penalty.
- If you have a large number of pages with dupe (of your own copy), weak or almost no content, improve them or remove (and 301) them or block them from Google with robots.txt.
- Offer users more when they first enter a page. Eg, images, videos, attractive text and pages linking to your best, related editorial content.
- If possible, make your content's language more accessible and more real?
- Promote your content on social media including Twitter and Facebook.
- Build your brand awareness across the web wherever you can.
- If you're sure your site is 'Google clean' and worthy, let Google know about it but don't expect this to have much effect.
The Google “Sandbox Effect”
We believe that while Google may not explicitly have a “sandbox”, the effect itself is real.
What Is Google Panda?
Google Panda has become better to refine the search results by pushing duplicate and copied content down the ladder
How To Handle Google Panda?
What factors make a site vulnerable to Panda? To answered this question we need think of a number of factors