Versatile software engineer with a background in .NET consulting and CMS development. Working on regaining my embedded development skills to get more involved with IoT opportunities.
If you can answer these, I would say you're ahead of the game.
Status codes: what is the most appropriate response you can return for a given situation?
HTTP/2: why is the number of resource requests made by a page less important on a server supporting HTTP/2?
HTTP caching. I feel like most people don't have a solid grasp of what the different headers mean and don't explore past the point of "Clear your cache if you don't see the CSS updates!"
Know your common headers, especially those that pertain to security. Content Security Policy, referrer policies, Strict Transport Security
And CORS, whether you're doing front-end or back-end you should learn about CORS or one day you'll spend hours wondering why your query doesn't return anything, and why your browser is making "OPTIONS" request instead of POSTing your damn form.
For further actions, you may consider blocking this person and/or reporting abuse
We're a place where coders share, stay up-to-date and grow their careers.
If you can answer these, I would say you're ahead of the game.
And CORS, whether you're doing front-end or back-end you should learn about CORS or one day you'll spend hours wondering why your query doesn't return anything, and why your browser is making "OPTIONS" request instead of POSTing your damn form.