Website Accelerator

Complete documentation

Documentation — WSA for cPanel/WHM Web Site Accelerator (WSA) — full user manual. Covers the WHM interface (administrator), the cPanel interface (end user), the command line, per-package activation, and the WordPress plugin / PHP class integrations. For initial install, see installation-en.md. Table of contents Overview Installation WHM interface (administrator) Home page Module Configuration Nginx Configuration…
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Installation

Installation — WSA for cPanel/WHM Web Site Accelerator (WSA) — Nginx caching + bot-protection module for cPanel/WHM. This document covers the initial install, how to verify the module is working, and how to install + enable the Brotli compression module. For complete usage documentation, see documentation-en.md. 1. Prerequisites Before starting, verify the server meets the…
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Nginx Configuration

Nginx configuration Within this menu you may change different aspects of the Nginx configuration, including rate limiting. Global Nginx options: Worker connections: Sets the maximum number of simultaneous connections that can be opened by a worker process. Official documentation. Client Body Timeout: Defines a timeout for reading client request body. The timeout is set only…
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Release

v1.5.8 — 2026-04-27 Brotli build correctness fix — the .so we shipped in 1.5.7 testing landed with undefined BrotliEncoderTakeOutput, refusing dlopen. Highlights Dropped -flto from the libbrotli CFLAGS. With LTO on, the static archive at deps/brotli/out/libbrotlienc.a contains GIMPLE byte-code rather than native objects. nginx’s subsequent make modules invokes plain gcc with no lto-wrapper, silently extracts…
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Manual Modification of the NGINX Configuration

Since version 1.0.10, it is now possible to add custom configuration into the Nginx configuration. In previous version, all modification made to the NGINX configuration file were erased by the module. Two files can be modified in the server: The “pre_virtual_host.conf” will be loaded just before including all the hosted site virtual host into NGINX…
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Command Line Interface

Several features of the module are available on the command line. They must be executed with the following form: /etc/wsa/./wsa –-parameter=value The available commands are: help Displays all the commands that can be executed. /etc/wsa/./wsa –help check-wsad Ensures that the WSAD service is functional, if the service is no longer functional for a particular reason,…
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Possible configuration in the WHM interface

The module can be activated only for some users and disabled for others. When the module is deactivated for a user, the user will not see the options of the website accelerator in his cPanel control panel and the files inside the “.wsa” folder of the hosting will not be taken into account. However, even…
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Update module

This option allows you to manually update the module if available. By default, automatic updates are enabled, this option is mainly useful when automatic updates have been disabled.

Enable & Disable module

With a single click, you can enable or disable the module. This will close the existing connections of Nginx in order to change the listening ports of Apache and Nginx. Those changes can take up to 30 seconds to complete. Please do not leave the page during this process. During the transition between Apache and…
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Restart Nginx

Proceed to a complete restart of the Nginx server. May be useful if for some unknown reason the Nginx service was unstable.

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