Xenu's Link Sleuth is a free, lightweight application that can be used to detect and analyze broken links on a website. It can crawl an entire website and look for broken links, providing detailed reports on any issues found. It can also detect orphaned files and other errors. It can also detect problems with redirects and missing images. Additionally, it can detect errors in the HTML code, such as missing tags. This makes it a valuable tool for webmasters who want to ensure their website is running smoothly.
Strong in detecting Onpage errors, including broken or bad links!
Spotibo checks for more SEO issues. Such as canonical tags, indexing problems, redirect strings, etc.
It is an excellent service, which is much more comfortable.