Code Inspections in HTML

Reports a form element (input, textarea, or select) without an associated label. Suggests creating a new label. Based on WCAG 2.0: H44.

Reports a missing alt attribute in a img or applet tag or in a area element of an image map. Suggests adding a required attribute with a text alternative for the contents of the tag. Based on WCAG 2.0: H24, H35, H36, H37.

Reports a missing lang (or xml:lang) attribute in a html tag. Suggests adding a required attribute to state the default language of the document. Based on WCAG 2.0: H57.

Reports a missing summary attribute in a table tag. Suggests adding a summary attribute. Based on WCAG 2.0: H73.

Reports a missing title attribute frame, iframe, dl, and a tags. Suggests adding a title attribute. Based on WCAG 2.0: H33, H40, and H64.

Reports a missing title element inside a head section. Suggests adding a title element. The title should describe the document. Based on WCAG 2.0: H25.

Reports an empty tag (such as script) that does not work in some browsers.

Reports an HTML non-boolean attribute without a value. Suggests configuring attributes that should not be reported.

Reports invalid XML contents of a script tag.

Reports a width and height attribute value of a img tag that is different from the actual width and height of the referenced image.

Reports an HTML element without a closing tag. Some coding styles require that HTML elements have closing tags even where this is optional.

Reports a missing mandatory attribute in an XML/HTML tag. Suggests configuring attributes that should not be reported.

Reports an obsolete HTML5 attribute.

Reports an obsolete HTML5 tag. Suggests replacing the obsolete tag with a CSS or another tag.

Reports a presentational HTML tag. Suggests replacing the presentational tag with a CSS or another tag.

Reports a redundant closing tag for an empty element, for example, img or br.

Reports an unknown HTML attribute. Suggests configuring attributes that should not be reported.

Reports an unknown HTML tag. Suggests configuring tags that should not be reported.

Reports an unresolved file in a link.

Reports an unresolved last part of an URL after the # sign.

Reports an unresolved web link. Works by making network requests in the background.