Performance terms
Every millisecond matters — here is how to win them back
Slow software costs money, loses users, and erodes trust. Performance engineering covers profiling, caching strategies, database query optimisation, network latency, memory management, and the architectural patterns that keep systems fast under real-world load. Most performance problems are invisible until they are not — these terms help you find and fix them before your users do.
APCu stores PHP values in shared memory within the PHP-FPM pool — the fastest possible cache with no network hop overhead.
2mo ago
performance intermediate
Serving static assets with immutable long-lived cache headers plus content-hash filenames — maximising cache hits while guaranteeing instant cache-busting on change.
2mo ago
performance beginner
Deferring time-consuming work (emails, image processing, third-party API calls) to background workers via a queue, improving response times.
2mo ago
performance intermediate