Scheme

This webpage contains links with different schemes.

1. mailto:info@zomdir.com
2. javascript:alert('Javascript link');
3. ftp://ftp.adobe.com/
4. ftp://no-ftp-server.com
5. news://no-news-server.com
6. wais://no-wais-server.com
7. gopher://no-gopher-server.com
8. no-scheme://no-no-scheme-server.com

When you check this webpage with a broken link checker, it might conclude that the 'no server' links are broken. It will probably also conclude that the scheme 'no-scheme' doesn't exists.