Like mentioned in a previous blog, you need to make sure that all content on your site is 100% unique and original. Content that is copied or pulled from an already indexed page won’t deliver the expected high ranking results. You are most likely going to end up with a supplemental index that is bad for your business.

Toxic Links Threats and Disavows: Complete SEO guide
Your website is only as strong as the backlinks you have. We’re not talking numbers here but quality. If you have a bunch of low-quality,