GitHub Actions guides

Make your CI faster, cheaper, and more reliable. Each guide is the exact fix for a specific waste pattern, the same ones GitSpider detects automatically, backed by real scans of popular repos.

Why your GitHub Actions CI is slow (and how to speed it up)

The usual reasons GitHub Actions CI is slow: duplicate runs, no caching, no concurrency control, oversized matrices. Each with the exact YAML fix, based on real scans of 35 popular repos.

The GitHub Actions workflow that's been failing for weeks (and how to find it)

Scheduled GitHub Actions workflows quietly fail for months and nobody notices: the failure emails get filtered, the red X gets tuned out. How to find your always-failing workflows and what to do, with real examples from popular repos.