Check for broken links in web sites.
- recursive and multithreaded checking and site crawling
- output in colored or normal text, HTML, SQL, CSV, XML or a sitemap graph in different formats
- HTTP/1.1, HTTPS, FTP, mailto:, news:, nntp:, Telnet and local file links support
- restrict link checking with regular expression filters for URLs
- proxy support
- username/password authorization for HTTP, FTP and Telnet
- honors robots.txt exclusion protocol
- Cookie support
- HTML5 support
- a command line and web interface
- various check plugins available, eg. HTML syntax and antivirus checks.
See doc/install.txt in the source code archive for general information. Except the given information there, please take note of the following:
Python 3.6 or later is needed.
The version in the pip repository may be old. Instead, you can use pip to install the latest code from git: pip3 install git+https://github.com/linkchecker/linkchecker.git.
Execute linkchecker https://www.example.com.
For other options see linkchecker --help.
The Docker images are out-of-date, pip installation is the only currently recommended method.
If you do not want to install any additional libraries/dependencies you can use the Docker image.
Example for external web site check:
docker run --rm -it -u $(id -u):$(id -g) linkchecker/linkchecker --verbose https://www.example.com
Local HTML file check:
docker run --rm -it -u $(id -u):$(id -g) -v "$PWD":/mnt linkchecker/linkchecker --verbose index.html