Request the site -> server. What tools to learn, did and where?

Two questions:
1. To check, did the request.
2. Where exactly he went.

To the development, the source code have no relationship and do not know what it is. Interested in testing.
July 9th 19 at 10:46
2 answers
July 9th 19 at 10:48
"Developer tools" section in the "Network" (Network)
There are major browsers.
July 9th 19 at 10:50
YAP and what framework do you use ? (tag no tongue)
Corrected question. Not developed by a novice tester. - Ashleigh75 commented on July 9th 19 at 10:53

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