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A few decades ago, black hat SEO techniques were used aggressively to rank higher on SERPs. However, with search engines rolling out algorithm updates, websites who were using manipulative tactics, get penalized now. This blog aims to make readers understand what is black hat search engine optimization and how it damages your site rankings.
https://blog.unisquareconcepts.com/digital-marketing/how-black-hat-seo-hurts-your-google-ranking/