Dev the raccoon mascot holding a wrench beside an abstract performance and reliability dashboard.

Web Performance and Reliability

Speed, stability, security, accessibility, caching, testing, and the unglamorous work that keeps websites calm when real people need them.

Layered cache cards with Dev peeking beside a server stack.

Caching Explained Without the Haunted Mansion Tour

Caching helps websites load faster by reusing work the server or browser has already done. The trick is knowing what is cached, when to clear it, and why yesterday’s version of the page is sometimes still hanging around.