Error Tests

This page contains examples of various errors found on web sites.

Syntax Errors:

Inline element (<em>) is nested incorrectly around block element (<p>).

Malformed HTML table, i.e., table row start-tag contains syntax error.

File extension mismatch: PNG file with .txt extension

Server-side MIME Type Misconfiguration:
For file with .xhtml extension server is misconfigured to return image/png MIME type.

HTTP 404 Not Found Errors:

Broken relative URL to Test Site home page (/control/induck.html)

Non-existent JPG file

Redirect Error to non-existent .html file

Non-existent domain, i.e., no DNS entry for the host

Unavailable remote host, returns connection refused error

HTTP 500 Internal Server Error, caused by error in CGI file