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CrowdTangle Link Checker
An easy way to see how often a link has been shared, who shared it and what they said!
Broken Link Checker
A SEO tool to find broken (404) and redirected (301, 307, 308) links in all frames
website broken link and 404 error checker
A SEO tool to fast find all broken links on your websites to Rank Higher.
ipty.de/av - Virus/Malware Link/File Checker
Website Virus/Malware Link and File Checker. We want to help you not to stumble upon virus- and malware infected websites and files.
Link Audit Checker, find invalid content.
This extension validates links, checks HTTP status codes and can search linked content to help you find problems with your website