Some of the sites might have unsafe pop-up ads. Be careful about that.
This is a website where you can talk to people online and get advice from counselors, and join communities or groups.
This website helps you get any and all answers you have with life problems, anxiety, depression, or anything like that.
This is more law-based as it is a website to seek advice, but primarily for when you are in any legal trouble, If you need to use this, get a parent or trusted adult involved
Sometimes the best place to seek advice or help is from people your age. Reddit has many great communities but this is the best for life advice.
This is primarily for working teenagers or college students. This is a website to seek career advice for work problems anywhere from under-payment to abuse.
This is probably the most casual one more for advice on daily life or events like What to wear on picture day". It is however still full of great information.
This is very similar to some of the other ones listed, however, it is directed to people from Europe. Since it is user answered, it can give advice directed to your country if not from the US
This is probably the one I use the most as it gives surprisingly useful information from adults of something they wish they knew when they were your age.
If none of these work, then you can join this discord server where there might be other kids you can talk to.