HAProxy : C : load balancer : Free, fast and reliable solution offering high availability, load balancing, and proxying for TCP and HTTP-based applications
memcached : C : memory cache : Free & open source, high-performance, distributed memory object caching system, generic in nature, but intended for use in speeding up dynamic web applications by alleviating database load
Varnish : C : caching proxy : Web application accelerator also known as a caching HTTP reverse proxy
bombardier : Go : Fast cross-platform HTTP benchmarking tool
WebPagetest : PHP/Python : Free website speed test from multiple locations around the globe using real browsers (IE and Chrome) and at real consumer connection speeds
wrk : C : Modern HTTP benchmarking tool capable of generating significant load when run on a single multi-core CPU
drill : Rust : HTTP load testing application written in Rust inspired by Ansible syntax
Vegeta : Go : Versatile HTTP load testing tool built out of a need to drill HTTP services with a constant request rate
- {doc}
security
- Cross-Origin Resource Sharing (CORS) - Mechanism to enable client-side cross-origin requests
- Zstandard (zstd) - Real-time compression algorithm, providing high compression ratios