browser-compat-data
                                
                                
                                
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                        Test for broken links
From the discussion on #1990, it'd be nice to have automatic checks on URLs that appear in the BCD data, both in mdn_urls and in notes.
I have a little bit of a proof of concept in the form of a script I use as a local pre-commit hook. Unfortunately, it's not at all clever, uses some non-standard tools, and it's a fish shell script, so it's not exactly portable. There's probably a right way to do this but I'm not sure what that would look like.
Additionally, previously related issues #1998 and #1703 imply that it may be desirable to have some broken links (e.g., MDN pages that should exist, but don't).