Stack Exchange network consists of 177 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.
Besides gaining reputation with your questions and answers, you receive badges for being especially helpful. Badges appear on your profile page, flair, and your posts.
These badges are awarded for participating in non community-wiki questions with particular tags. If enough votes are earned in a tag with 100+ total questions, the badge will be automatically created and awarded.
You must have a total score of 1000 in at least 200 non-community wiki answers to achieve this badge.
You must have a total score of 400 in at least 80 non-community wiki answers to achieve this badge.
You must have a total score of 100 in at least 20 non-community wiki answers to achieve this badge.