Next time you have a webdev interview and the interviewer asks you an obscure technical question, show them the following very simple HTML example:
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title></title> </head> <body> </body> </html>
Which warning(s) and/or error(s) (if any) will the W3C Validator display for this HTML sample?
Even a lot of very experienced front-end devs probably don't know the answer.
This just goes to show you that technical interviews which ask esoteric questions aren't valid.
No matter how experienced you are, I can always ask a question about a specific detail that you don't know.
Also, did you know the answer to this question?
HINT - The W3C Validator returns :
1 warning and 1 error. Do you know what they are?