A: Hi Iwan,
Thank you for your question.
"Keywords optimization dynamic promotion" refers to the number of keyword search terms you can add or mark for optimizing your meta tags. This number can be applied to a specific website or across your entire account if you choose the “Flexible” option. These keywords enhance your website’s SEO by generating meta tags that include highly relevant and optimized target keywords. All keyword optimizations are also SERP-monitored and are used within Nytro’s Dynamic AI technology.
You can find additional FAQ information here: https://nytroseo.com/seo-questions-answers/
Best regards, Lee