Release Notes: HTTP and FTP connections are added to a connection pool and reused if possible. A new DOT sitemap graph output format has been added. A new FTP directory listing parser is used for better support of different FTP LIST outputs. Python 2.4 or later is required to run LinkChecker.
Release Notes: HTML image srcset and schema itemtypes as well as HTTP "Link:" headers are now parsed and checked. Bugs with external robots.txt parsing have been fixed.
Release Notes: XML Sitemap files are now checked and parsed. A new HTTP header info plugin has been added. Bugs with debug output, SSL checking, and result caching have been fixed.
Release Notes: This release adds plugin support and uses the Python requests module for HTTP URLs. Some bugs were also fixed.
Release Notes: This release adds missing logger classes and sends an HTTP Accept header.
Release Notes: This release makes per-host connection limits configurable and avoid a DoS in the SSL certificate host matcher. Some bugs have also been fixed.