Which portfolio provider to choose?

Question

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Good day to all!
Are there professional frontend developer portfolio hosting services ?
Which would be suitable for two purposes :

• - showing your work on freelance exchanges, such as Freelancing or UpWork;
  
• - to test layout for RWD, validity, Google Speed ​​and so on.
  

I would like to ask a couple more questions:

• Who hosts their Frontend Developer portfolios ?
  
• Give links to your work, so that you can be equal to what?
  

Answer 1

All my front-end developers I know have their own portfolio site. Which, roughly speaking, is logical, you are a front-end developer, and not some photographer.

Answer 2

Create your Online CV. For one thing, and show as a frontender, as it should :)