As an AI language model, I am not able to predict the future and provide information regarding deals and coupons for SEO tools in May 2023. However, you can keep an eye out on various websites that offer discounts and promotions on SEO tools. Some popular ones include Honey, RetailMeNot, and Rakuten. It is also recommended to sign up for newsletters of your favorite SEO tool providers to receive exclusive offers directly in your inbox.