Reviews and Comments each play a part in SEO, utilizing the words and opinions that real shoppers voice to strengthen optimization.
A review is an evaluation of a publication, service, or company which helps the end user to select the product or service. It is most important part of SEO where the reviews evaluate the website or its service.
Comments on blogs are a good strategy for building up your social web influence, improving your SEO efforts and driving more business your way. Anyone who has been doing SEO for a while likely knows how blog commenting has traditionally been one of the more popular link building strategies.