linkchecker/tests/checker/data/http.html

<link rel="dns-prefetch" href="//www.example.org">
<link rel="dns-prefetch" href="http://www.example.com/">
<a b=c "boo" href="http://www.garantiertnixgutt.bla/">bad url</a>
<!-- check cache key with query -->
<a href="/?d=directory&amp;p=page">should not be cached</a>
<a href="/?d=directory&amp;p=page1">should not be cached</a>
<!-- entities -->
<a href="/?q=&uuml;">html entities</a>

<!-- empty form URL -->
<form action="" method="GET">
</form>

<!-- multiple links in one tag -->
<applet archive="file.html" src="file.css">
<!-- css urls -->
<img style="@font-face {src:url(file.asc)};background-image:url(file.txt)"
 title="CSS urls">

<!-- object with codebase -->
<object classid="clsid:12345-67890" codebase="http://example.org/foo/ #a=1,2,3">

<!-- <a href=http://nocheckin> no check because of comment -->

<!-- Invalid URL -->
<a href="http://.example.org/">Error</a>