What software or service do you use to conveniently and quickly check the project in various browsers and devices?

Question

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Friends, good afternoon
In the yard of the 21st century and probably smart people have developed a subject. Please tell me what you use for these purposes or share your recipes.
Thank you very much in advance!

Answer 1

browser stack

Answer 2

https://www.browserstack.com/

Answer 3

Only Chrome Devtools and an Android phone, it makes no sense to test each line in several browsers, there is information on support at caniuse.com , etc.