I recently tried out the Broken Link Checker plugin for WordPress. Unsurprisingly, the purpose of the plugin is to check your blog posts for broken links so you can fix or delete them as appropriate.
It goes through all your posts, collects all the links and checks them. It does this once every few days and only when you have the admin interface open.
The plugin doesn’t slow your blog down, though the admin interface pages never seem to finish loading because they’re running the link checking code.
It found several broken links on my blog, along with some false positives.
To be honest I decided that I wasn’t that worried about the broken links. A two year-old link to a page that no longer exists isn’t really a problem that needs fixing – it’s an honest historical record of the post. In any case since the broken links refer to pages that have no replacement, the only option would be to remove the links completely and I’m not convinced the improvement would be worth the effort.
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