Launched in 2010, the Stack Exchange network consists of 133 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Since then, the Stack Exchange network has grown into a top 50 online destination with Stack Overflow alone serving more than 50 million developers every month. Stack Overflow also partners with businesses to help them understand, hire, and engage the world's developers. Our products and services are focused on developer marketing, technical recruiting, market research, and enterprise knowledge sharing. Learn more about our business solutions here.

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Hundreds of communities built by narrowly focused groups of experts.

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Our portal for employers, connecting companies to developer talent.

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2015 Stack Exchange Network Statistics

Visits; 101 million monthly unique visitors 3.9B

Pageviews (5.7 billion of them on Stack Overflow) 7.9B

Questions asked 3.7M

Answers submitted4.6M

Edits, which improved the quality of posts 5.0M

Comments 17.9M



Registered Stack Overflow users 5.0M


Company Pages on Stack Overflow Careers10,000+