A website SEO plan is an executable strategy that comprehensively manages the keyword rankings of all URLs on a website. A customized SEO plan can start from the overall perspective, analyzing the rules of search engine crawlers and user behaviors. Combined with data analysis, it reasonably utilizes the weight scores of webpage URLs to improve the ranking of webpage keywords. It also analyzes the development dynamics of competitor websites and integrates the characteristics of its own users to enhance competitiveness in the industry.