There are many online tools available that can help you to check for broken links on a website. Some popular ones include:

  1. Dead Link Checker: This is a free online tool that allows you to check up to 2000 web pages for broken links.
  2. W3C Link Checker: This is another free online tool that checks for broken links and other issues with your website’s HTML and CSS code.
  3. Google Search Console: This is a free tool provided by Google that allows you to monitor your website’s performance in search results. It also includes a feature that checks for broken links.
  4. Ahrefs: This is a paid tool that provides a comprehensive analysis of your website’s backlink profile, but it also includes a feature for checking broken links.
  5. Screaming Frog: This is a paid tool that allows you to crawl your website and identify broken links, along with other technical issues.

All of these tools are effective at finding broken links on your website, so it’s up to you to choose the one that best fits your needs and budget