Check links for Markdown-based site
Linkchecker for Markdown-based static generated sites
Blazing-fast (10000 Markdown files per second) Python asyncio / aiohttp based simple check of links in Markdown .md files only. This tool is very helpful for large Markdown-based Jekyll and Hugo sites as well as Markdown-based MkDocs documentation projects. It is very fast and simple--it's what we use to check https://www.scivision.dev
for latest release:
python -m pip install linkcheckmd
or for latest development version.
git clone https://github.com/scivision/linkchecker-markdown pip install -e linkchecker-markdown
The static site generator does NOT have to be running for these tests. This program looks at the Markdown .md files directly.
If any local or remote links are determined to be missing, the following happens:
- the file containing the bad link and the link is printed to "stdout"
- the program will exit with code 22 instead of 0 after all files are checked
The bad links are printed to stdout since the normal operation of this program is to check for errors. Due to the fast, concurrent checking and numerous pages checked, there may be diagnostics printed to stderr. That way library error messages can be kept separate from the missing page locations printed on stdout.
The examples assume webpage Markdown files have top-level directory ~/web.
If using the linkchecker on an MkDocs documentation project, Markdown files
are typically found in a
import linkcheckmd as lc lc.check_links("~/web")
This program may be invoked by either:
python -m linkcheckmd
python -m linkcheckmd ~/web/_posts
python -m linkcheckmd ~/web/content
python -m linkcheckmd ~/docs
--verbose options prints the URLs as they are checked.
Observe that URLs from different markdown files are interleaved, showing the asynchronous nature of this program.
For benchmarking and reference, we include a synchronous Requests-based method. For a website with 100+ pages, compare times of:
Tox and CI
This program can also be used as a check for bad links during continuous integration
testing or when using
Strict anti-leeching methods can cause false positives with this and other link checking programs.
Alternative solutions include:
Download the file for your platform. If you're not sure which to choose, learn more about installing packages.
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