A URL checker is a tool that checks if URLs are functioning properly. This helps to keep you safe. If your links are not working you may be exposed to a wide range of malware and phishing threats.
Check if a Website is Malicious/Scam or Safe/Legit
The best link checkers offer more than just a scan. They help you identify a variety of relevant metrics to help you understand how well your web presence is performing. These include the total number of pages, how often users visit the site, the type of content they are viewing and more.
Fortunately, there are many URL checker to choose from. It is a good idea to use a combination of tools to perform a comprehensive analysis. You can use a number of free web services to perform this kind of assessment. Among these are VirusTotal, Trend Micro, PhishTank and Dr. Link Check.
Luckily, these companies have provided a free, ad-supported service to assist you in testing out your links. With this tool, you can find out if a URL is a phishing scam, which site contains malware, and how to rename it.
For example, the redirect trace tool helps you determine why a page is redirected. Another option is the dfndr lab from PSafe. This is a tool that uses machine learning to cross-reference URLs with other resources and provide actionable intelligence.
Using a reputable third party web service will provide you with the most accurate results. However, if you are looking to make a more personalized assessment, you can try to replicate the process yourself.