Including link to meta.MO post with site recommendations

MathOverflow is a question and answer site for professional mathematicians. There are other websites which are suitable for general mathematical questions. (Before asking on any of them, make sure that you read the rules of that site.)

MathOverflow is a question and answer site for professional mathematicians. There are [other websites](https://meta.mathoverflow.net/q/3760) which are suitable for general mathematical questions. (Before asking on any of them, make sure that you read the rules of that site.)

An advantage is that the linked post might be updated whenever needed.

Link to the meta.MO post with site recommendations

MathOverflow is a question and answer site for professional mathematicians. There are other websites which are suitable for general mathematical questions. (Before asking on any of them, make sure that you read the rules of that site.)

MathOverflow is a question and answer site for professional mathematicians. There are [other websites](https://meta.mathoverflow.net/q/3760) which are suitable for general mathematical questions. (Before asking on any of them, make sure that you read the rules of that site.)

A longer version including link to the Help Center:

MathOverflow is a question and answer site for professional mathematicians and it is intended for research-level questions. There are other websites which are suitable for general mathematical questions. (Before asking on any of them, make sure that you read the rules of that site.)

MathOverflow is a question and answer site for professional mathematicians and it is intended for [research-level questions](https://mathoverflow.net/help/on-topic). There are [other websites](https://meta.mathoverflow.net/q/3760) which are suitable for general mathematical questions. (Before asking on any of them, make sure that you read the rules of that site.)