Link Evaluator examines both the HTTP status code and the page contents returned by each URL, and attempts to distinguish between various results, such as: broken links network time-outs authentication failure, and 'incorrect/correct' content for the given URL. This can be also applied to check the user's bookmarks. Small configuration change is required for that - see the developer comments at th
![Link Evaluator :: Firefox Add-ons](https://cdn-ak-scissors.b.st-hatena.com/image/square/6c79e1bca587e2d19842efa78af858e96a25a022/height=288;version=1;width=512/https%3A%2F%2Faddons.cdn.mozilla.net%2Fuser-media%2Fpreviews%2Ffull%2F21%2F21985.png%3Fmodified%3D1530208292)