- To discover a comprehensive list of your competitors, go to AlternativeTo.net.
- Use browser extensions (Check My Links, Domain Hunter) to check for dead links OR upload a list of URLs to Xenu or Screaming Frog.
- Type “link: deadcompetitor.com” into Google.
- Inform all website owners of broken links and provide them with appropriate links of your own as a replacement.
Source webris.org