Abyss Web Server vs. Python vs. Tengine vs. kWS Comparison Chart

Abyss Web Server is a compact web server available for Windows, macOS, and Linux operating systems. Despite its small footprint, it supports HTTP/2, secure SSL/TLS connections (HTTPS), automated provisioning and renewal of free certificates from Let's Encrypt® (ACME v2), IPv6, on-the-fly HTTP compression, dynamic content generation through CGI/FastCGI scripts, ISAPI extensions, native ASP.NET, HTTP/HTTPS/WebSocket reverse proxying, eXtended Side Includes (XSSI), custom error pages, password protection, IP address control, anti-leeching, bandwidth throttling, and log rotation. It also features an automatic antihacking system as well as a multilingual remote web management interface that makes its configuration as easy as browsing a web site.

Tengine is a web server originated by Taobao, the largest e-commerce website in Asia. It is based on the Nginx HTTP server and has many advanced features. Tengine has proven to be very stable and efficient on some of the top 100 websites in the world, including Taobao and tmall. Tengine has been an open source project since December 2011. It is being actively developed by the Tengine team, whose core members are from Taobao, Sogou and other internet companies. Tengine is a community effort and everyone is encouraged to get involved. All features of Nginx-1.17.3 are inherited, i.e., it is compatible with Nginx. Support the connect HTTP method for forward proxy. Enhanced operations monitoring, such as asynchronous log & rollback, DNS caching, memory usage, etc. Sends unbuffered upload directly to HTTP and FastCGI backend servers, which saves disk I/Os. More load balancing methods, e.g., consistent hashing, session persistence, upstream health check, etc.