What i want to do is i want to crawl one website example http://www.abc.com all pages and see if there are any instances of other domain code in all the pages. For example if the site has some reference to http://www.xyz.com then it should show that this page is refering some other urls /domains.
Want to use PHP, i have done research on it but all i can find is broken link checker
What language are you using? What have you tried?
This comes down to two steps: