Server performance

Cache/Load balance

HAProxyCload balancer

Free, fast and reliable solution offering high availability, load balancing, and proxying for TCP and HTTP-based applications

memcachedCmemory 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

VarnishCcaching proxy

Web application accelerator also known as a caching HTTP reverse proxy

Test

Benchmark

bombardierGo

Fast cross-platform HTTP benchmarking tool

WebPagetestPHP/Python

Free website speed test from multiple locations around the globe using real browsers (IE and Chrome) and at real consumer connection speeds

wrkC

Modern HTTP benchmarking tool capable of generating significant load when run on a single multi-core CPU

Load test

drillRust

HTTP load testing application written in Rust inspired by Ansible syntax

VegetaGo

Versatile HTTP load testing tool built out of a need to drill HTTP services with a constant request rate

See also

• Security

Further reading

• Cross-Origin Resource Sharing (CORS) - Mechanism to enable client-side cross-origin requests

• Zstandard (zstd) - Real-time compression algorithm, providing high compression ratios