We have an extra special treat for the awesome SEMrush community. Google penalty and algorithm changes expert, Marie Haynes, is here to answer questions regarding how to diagnose and fix search engine penalties you may be incurring on your website. Since 2008, Marie has spent the majority of her time helping site owners who have been negatively impacted by Google algorithms; don‘t miss her tips.

Source: https://www.semrush.com/blog/5-seo-questions-marie-haynes-google-algorithms-penalty-fixes-pro-tips-site-owners/