To track the performance of your targeted keywords over time, you can use a tool like Google Analytics or Google Search Console. These tools allow you to track the number of clicks, impressions, and average position of your website in search engine results pages for specific keywords. You can also use a rank tracking tool like SEMrush or Ahrefs to monitor your website's ranking for specific keywords over time. Look for trends in your website's ranking and adjust your SEO strategy accordingly to improve your visibility in SERPs.