To find the most detailed answer to your question, I recommend that you pay attention to the article decoupled drupal https://www.psd2html.com/blog/new-drupal-development-dilemma-should-you-decouple-your-website.html and draw your own conclusions. Separately, I would like to add what headless architecture is reactive, so it stays idle until a request is sent to the content. The structure is really flexible, content is treated as data, and designers work in specially adapted environments in real-time. Headless Drupal commerce is extremely agile offering a variety of options to deliver a better user experience.
To find the most detailed answer to your question, I recommend that you pay attention to the article decoupled drupal https://www.psd2html.com/blog/new-drupal-development-dilemma-should-you-decouple-your-website.html and draw your own conclusions. Separately, I would like to add what headless architecture is reactive, so it stays idle until a request is sent to the content. The structure is really flexible, content is treated as data, and designers work in specially adapted environments in real-time. Headless Drupal commerce is extremely agile offering a variety of options to deliver a better user experience.