HTML Tidy
SGML Parser (OpenSP)
W3C has written 2 programs algorithms to
check the compliancy of a HTML page.
Both algorithms are included in HTML Validator for Firefox.
Both have advantages and incovenients.
HTML Tidy |
SGML Parser (OpenSP) |
|
|---|---|---|
| Description | It is an algorithm designed only for checking the HTML syntax. | It is the same algorithm running behind the validator.w3.org |
| Better for | HTML | XHTML |
| Accessibility check |
WAI level 1,2,3 | - |
| Cleanup page | Yes | - |
| Good help | Yes | No (Todo) |
| Clear error messages | Yes | No |
| Same errors than the validator.w3.org | No | Yes |
| Target Audience | Beginner | Professional |