Competitor analysis is an essential part of SEO. Competitor analysis is key for SEO, enabling one to ascertain the techniques and approaches employed by rivals in order to gain an upper hand. By understanding what works for your competitors, you can develop better strategies for yourself that will help increase your rankings on search engine results pages (SERPs). Competitor analysis also allows you to identify weaknesses in their strategy so that you can capitalize on those areas and improve upon them. Ultimately, competitor analysis gives digital marketers valuable insight into how they should optimize their own campaigns in order to achieve greater success online.