Search Engine Optimisation (SEO) is essential for online presence and success in the digital world. Because SEO is dynamic, making informed decisions requires a data-driven strategy, which makes analytics an essential component. This study explores the deep relationship between analytics and SEO, highlighting the critical function analytics plays in developing, executing, and evaluating effective SEO efforts. This paper, breaks down important elements including keyword research, website traffic analysis, and content optimisation. It shows how analytics may help us understand target audience behaviour, website performance, and the effectiveness of SEO techniques. The first section of the paper outlines the foundations of SEO and emphasizes that improving organic search ranks is its main goal. It highlights how SEO algorithms are constantly changing and how maintaining online presence requires constant adaptability. The study then discusses analytics as a way to measure the effectiveness of SEO efforts. Thoughtful choice of keywords that appeal to a target audience is essential to SEO success. This study emphasizes how important analytics are for identifying search volume, trends, and competitive keyword analysis. Analytics enables data-driven keyword selections that optimize a website's chances of attracting relevant traffic. There is also a thorough examination of analytics' capacity to monitor website visitor trends. Extensive indicators like bounce rates, visitor demographics, and traffic sources offer valuable insights into how well SEO campaigns are working. This data makes it possible to spot possible problems, highlight effective strategies, and direct strategic adjustments. Understanding website user behaviour is a key component of search engine optimisation. Analytical tools like page views, time on site, and navigation pathways are essential for identifying patterns in user behaviour. When it comes to improving internal linking and content organization to increase user engagement and conversions, these insights are priceless. Content must closely match search intent to optimize SEO potential. This study explores the ways analytics can uncover search terms that direct users to a website. Optimizing content for these targeted search terms reinforces SEO efforts and allows them to more accurately meet customer requirements.