netzero website revision and google analytics setup

https://www.net-zero.eco website needs revision work, the website is done using vue.js with nuxt frame work. The website needs some update and need google analytics events creates to track conversion.
Scope of work:
please review the below google doc:

https://docs.google.com/document/d/1dnBICH_PUws_fWvPVNyD9HZVfSE7lwDe4arXWRpfuVQ/edit?usp=sharing