I am new in this environment what do you recommend for me to quickly become an expect.

Question

HTML

Answer 1

I think you mean how to become expert in web development?
Then might be helpful:
https://www.sitepoint.com/21-steps-to-becoming-a-successful-web-developer/
https://catswhocode.com/become-a-web-developer/
http://blog.stoneriverelearning.com/11-expert-web-development-tips-to-help-you-learn-fast/
https://www.freecodecamp.org/news/become-a-developer-and-get-your-first-job-fast-7b8ac26d84c6/

Answer 2

The challenges are really helpful in order improve your skills as well as to show you where you can do better.

Answer 3

@Sawmill Arefeen thank you