Engineering blog
Caching, TLS, WAF, and Workers — written by the people who operate them.
Edge caching, without the folklore
How GitFlare decides what to cache, how long, and when to revalidate.
Serverless at the edge
Workers scheduling, isolate reuse, and cold-start numbers from production.
TLS 1.3 and HTTP/2 at the edge
Cipher defaults, certificate rotation, and what we measure on every handshake.
Tuning the WAF without blocking customers
Score thresholds, exceptions, and how we test managed rules.
Building with Edge KV
Consistency, TTLs, and a pattern for session data at the edge.
Zero-downtime deploys
Weighted releases, instant rollback, and origin health gates.