GitHub Debug
GitHub is proud to handle thousands of requests per second from our millions of users. The Internet, however, can be a fickle beast of cables and sparks, and sometimes those…
GitHub is proud to handle thousands of requests per second from our millions of users. The Internet, however, can be a fickle beast of cables and sparks, and sometimes those requests don’t happen very fast (or at all). While we’re happy to help you troubleshoot connection issues to us, we also know our users like swift answers and a hands-on approach.
Today, we’re introducing GitHub Debug.

This debugging tool mimics github.com as much as possible, including using GeoDNS and the same certificate authority. Using your public IP, it applies a set of standard networking tools to collect relevant information about your connection to GitHub. This information, including data on download speed, packet loss, and routing, can be used by you or us to troubleshoot connection issues between you and GitHub’s servers.
Visit github-debug.com when you’re having issues connecting to github.com, whether on the command line or in your browser.

Have questions? Copy and paste your github-debug.com output into a ticket to our Support Team and we can start digging into the issue.
We’re excited to provide this tool for your use. Happy building!
Written by
Related posts

We need a European Sovereign Tech Fund
Open source software is critical infrastructure, but it’s underfunded. With a new feasibility study, GitHub’s developer policy team is building a coalition of policymakers and industry to close the maintenance funding gap.

GitHub Availability Report: June 2025
In June, we experienced three incidents that resulted in degraded performance across GitHub services.

From pair to peer programmer: Our vision for agentic workflows in GitHub Copilot
AI agents in GitHub Copilot don’t just assist developers but actively solve problems through multi-step reasoning and execution. Here’s what that means.