| `removeScriptTypeAttributes` | Remove `type="text/javascript"` from `script` tags. Other `type` attribute values are left intact. | `false` |
| `removeStyleLinkTypeAttributes`| Remove `type="text/css"` from `style` and `link` tags. Other `type` attribute values are left intact. | `false` |
| `removeOptionalTags` | [Remove unrequired tags](http://perfectionkills.com/experimenting-with-html-minifier/#remove_optional_tags) | `false` |
-| `removeIgnored` | Remove all tags starting and ending with `<%`, `%>`, `<?`, `?>` | `false` |
| `removeEmptyElements` | [Remove all elements with empty contents](http://perfectionkills.com/experimenting-with-html-minifier/#remove_empty_elements) | `false` |
| `lint` | [Toggle linting](http://perfectionkills.com/experimenting-with-html-minifier/#validate_input_through_html_lint) | `false` |
| `keepClosingSlash` | Keep the trailing slash on singleton elements | `false` |