To fix 404 errors on your website, consider the following methods: 1. Custom 404 Page: Create a 404 error page with helpful information, such as a search bar or navigation links, to guide users to relevant content. 2. Redirects: Implement 301 redirects to direct users from the broken URL to a relevant, functioning page on your site. 3. Update Links: Regularly check and update internal and external links to ensure they point to the correct URLs and fix any broken links. 4. Google Search Console: Use Google Search Console to identify and resolve your site's 404 errors. 5. Track and Monitor: Track 404 errors using Google Analytics 4 and be vigilant about website changes, like page deletions or URL restructuring, to proactively address potential 404 errors or link checkers, promptly addressing any issues.