How to improve Core Web Vitals?

URL examples :

[https://www.purelocal.com.au][1] (HOME)
[https://www.purelocal.com.au/google-seo][1] (CATEGORY)
[https://www.purelocal.com.au/milk-crate-studios][1] (PAGE)

I'm wondering if anyone can let me know how I can improve core web vitals / loading time for these URL tpes above ?

Thankyou!