- <a id="valid_css" href="http://jigsaw.w3.org/css-validator/validator?uri=http%3A%2F%2Falientrap.org%2Fnexuiz%2Findex.php"> </a>
- <a id="valid_xhtml" href="http://validator.w3.org/check?uri=http%3A%2F%2Falientrap.org%2Fnexuiz%2Findex.php"> </a>