A Bridge is an class that allows RSS-Bridge to create an RSS-feed from a website. A Bridge represents one element on the Welcome screen and covers one or more sites to return feeds for. It is developed in a PHP file located in the bridges/ folder (see Folder structure) and extends one of the base classes of RSS-Bridge:

Base class Description
BridgeAbstract This class is intended for standard Bridges that need to filter HTML pages for content.
FeedExpander This class is an extension of HttpCachingBridgeAbstract, designed to load existing feeds into RSS-Bridge
XPathAbstract This class is meant as an alternative base class for bridge implementations. It offers preliminary functionality for generating feeds based on XPath expressions.

For more information about how to create a new Bridge, read How to create a new Bridge?