Improve frontend (serverless)

Hi

I am looking for someone who can help me to improve my website.
what I need:
- suggestions
- ceo optimization
- improve javascript code
- improve web site design

What I use for the website:
- bootstrap
- mustasche.js
- jquery
- git

and...
- I am not in hurry
- for the development I use git bitbucket, it would be nice if you know how use it.
- i am not interest to have the adjuments all togheter. I would be better if you can provide me a list with the price of each improvement.



the web site runs all on aws services and the frontend on Aws Amplify.

the website: http://www.assrt.me

I thank you for you attention and your time

Regards

Mirko