Answer 1

Yes. Creating a decentralised website is possible by making use of the blockchain tech.

Few helpful links on the topic:

" ZeroNet ~

Open, free and uncensorable websites,
using Bitcoin cryptography and BitTorrent network
"
Website Link: https://zeronet.io

" Web3 – The Decentralized Web ~ BlockchainHub"

https://blockchainhub.net/web3-decentralized-web/

" Ultimate Guide to Convert a Web App To a Decentralized App Dapp

In this guide you’ll learn all you need to take a web app that you already have and convert it into a dapp. I’ll walk you through all the steps from start to finish. At the end of it, 
... "

Source: https://medium.com/@merunasgrincalaitis/ultimate-guide-to-convert-a-web-app-to-a-decentralized-app-dapp-f6112a079509

" Can blockchain decentralize the internet?"

https://www.google.co.in/amp/s/venturebeat.com/2017/10/08/can-blockchain-decentralize-the-internet/amp/

Course on Udemy:

"Ethereum
Developer: Build A Decentralised Blockchain App"

https://www.udemy.com/ethereum-developer/

Answer 2

There is a YouTube channel called hashlips it's very helpful