It may be a typical informational website for a small agency with up to 3-4 tabs, presenting their services, a blog, some contact form. It may not need much animation or interactivity in the beginning. But optimization for mobile may be useful. I've watched a dozen of tutorials on Django/Flask on Pluralsight/FreeCodeCamp building some simple registration sites, even a basic e-shop. For my former Wordpress site I have several plugins, including SEO optimization. But you mean to not install even the Wordpress recommended plugins?