[{"name":"alt_missing","title":"Missing alternative text","type":"error","summary":"Image alternative text is not present."},{"name":"alt_link_missing","title":"Linked image missing alternative text","type":"error","summary":"An image without alternative text results in an empty link."},{"name":"alt_spacer_missing","title":"Spacer image missing alternative text","type":"error","summary":"A layout spacer image (which should have null\/empty alternative text) does not have an alt attribute."},{"name":"alt_input_missing","title":"Image button missing alternative text","type":"error","summary":"Alternative text is not present for a form image button."},{"name":"alt_area_missing","title":"Image map area missing alternative text","type":"error","summary":"Alternative text is not present for an image map area (hot spot)."},{"name":"alt_map_missing","title":"Image map missing alternative text","type":"error","summary":"An image that has hot spots does not have an alt attribute."},{"name":"longdesc_invalid","title":"Invalid longdesc","type":"error","summary":"The longdesc attribute is not a URL."},{"name":"label_missing","title":"Missing form label","type":"error","summary":"A form control does not have a corresponding label."},{"name":"label_empty","title":"Empty form label","type":"error","summary":"A form label is present, but does not contain any content."},{"name":"label_multiple","title":"Multiple form labels","type":"error","summary":"A form control has more than one label associated with it."},{"name":"aria_reference_broken","title":"Broken ARIA reference","type":"error","summary":"An aria-labelledby or aria-describedby reference exists, but the target for the reference does not exist."},{"name":"aria_menu_broken","title":"Broken ARIA menu","type":"error","summary":"An ARIA menu does not contain required menu items."},{"name":"title_invalid","title":"Missing or uninformative page title","type":"error","summary":"The page title is missing or not descriptive."},{"name":"language_missing","title":"Document language missing","type":"error","summary":"The language of the document is not identified."},{"name":"meta_refresh","title":"Page refreshes or redirects","type":"error","summary":"The page is set to automatically change location or refresh using a <meta> tag."},{"name":"heading_empty","title":"Empty heading","type":"error","summary":"A heading contains no content."},{"name":"button_empty","title":"Empty button","type":"error","summary":"A button is empty or has no value text."},{"name":"link_empty","title":"Empty link","type":"error","summary":"A link contains no text."},{"name":"link_skip_broken","title":"Broken skip link","type":"error","summary":"A skip navigation link exists, but the target for the link does not exist or the link is not keyboard accessible."},{"name":"th_empty","title":"Empty table header","type":"error","summary":"A <th> (table header) contains no text."},{"name":"blink","title":"Blinking content","type":"error","summary":"Blinking content is present."},{"name":"marquee","title":"Marquee","type":"error","summary":"A <marquee> element is present."},{"name":"contrast","title":"Very Low Contrast","type":"contrast","summary":"Very low contrast between foreground and background colors."},{"name":"alt_suspicious","title":"Suspicious alternative text","type":"alert","summary":"Alternative text is likely insufficient or contains extraneous information."},{"name":"alt_redundant","title":"Redundant alternative text","type":"alert","summary":"The alternative text for an image is the same as nearby or adjacent text."},{"name":"alt_duplicate","title":"A nearby image has the same alternative text","type":"alert","summary":"Two images near each other have the same alternative text."},{"name":"alt_long","title":"Long alternative text","type":"alert","summary":"An image has very long alternative text."},{"name":"longdesc","title":"Long description","type":"alert","summary":"The longdesc attribute is present."},{"name":"label_orphaned","title":"Orphaned form label","type":"alert","summary":"A form label is present, but it is not correctly associated with a form control."},{"name":"label_title","title":"Unlabeled form element with title","type":"alert","summary":"A form control does not have a label, but has a title."},{"name":"fieldset_missing","title":"Missing fieldset","type":"alert","summary":"A group of check boxes or radio buttons is not enclosed in a fieldset."},{"name":"legend_missing","title":"Fieldset missing legend","type":"alert","summary":"A fieldset does not have a legend."},{"name":"heading_missing","title":"No heading structure","type":"alert","summary":"The page has no headings."},{"name":"h1_missing","title":"Missing first level heading","type":"alert","summary":"A page does not have a first level heading."},{"name":"region_missing","title":"No page regions","type":"alert","summary":"No page regions or ARIA landmarks were found."},{"name":"heading_skipped","title":"Skipped heading level","type":"alert","summary":"A heading level is skipped."},{"name":"heading_possible","title":"Possible heading","type":"alert","summary":"Text appears to be a heading but is not a heading element."},{"name":"table_layout","title":"Layout table","type":"alert","summary":"A layout table is present."},{"name":"table_caption_possible","title":"Possible table caption","type":"alert","summary":"Text appears to be a table caption, but is not a caption element."},{"name":"link_internal_broken","title":"Broken same-page link","type":"alert","summary":"A link to another location within the page is present but does not have a corresponding target."},{"name":"link_suspicious","title":"Suspicious link text","type":"alert","summary":"Link text contains extraneous text or may not make sense out of context."},{"name":"link_redundant","title":"Redundant link","type":"alert","summary":"Adjacent links go to the same URL."},{"name":"link_word","title":"Link to Word document","type":"alert","summary":"A link to a Microsoft Word document is present."},{"name":"link_excel","title":"Link to Excel spreadsheet","type":"alert","summary":"A link to a Microsoft Excel spreadsheet is present."},{"name":"link_powerpoint","title":"Link to PowerPoint document","type":"alert","summary":"A link to a Microsoft PowerPoint presentation is present."},{"name":"link_pdf","title":"Link to PDF document","type":"alert","summary":"A link to a PDF document is present."},{"name":"link_document","title":"Link to document","type":"alert","summary":"A link to a non-HTML document is present."},{"name":"audio_video","title":"Audio\/Video","type":"alert","summary":"An audio or video file or link is present."},{"name":"html5_video_audio","title":"HTML5 video or audio","type":"alert","summary":"A <video> or <audio> element is present."},{"name":"flash","title":"Flash","type":"alert","summary":"Flash content is present."},{"name":"applet","title":"Java Applet","type":"alert","summary":"A Java applet is present."},{"name":"plugin","title":"Plugin","type":"alert","summary":"An unidentified plugin is present."},{"name":"noscript","title":"Noscript element","type":"alert","summary":"A <noscript> element is present."},{"name":"event_handler","title":"Device dependent event handler","type":"alert","summary":"An event handler is present that may not be accessible."},{"name":"javascript_jumpmenu","title":"JavaScript jump menu","type":"alert","summary":"A JavaScript jump menu may be present."},{"name":"accesskey","title":"Accesskey","type":"alert","summary":"An accesskey attribute is present."},{"name":"tabindex","title":"Tabindex","type":"alert","summary":"A positive tabindex value is present."},{"name":"text_small","title":"Very small text","type":"alert","summary":"Text is very small."},{"name":"text_justified","title":"Justified text","type":"alert","summary":"Fully justified text is present."},{"name":"underline","title":"Underlined text","type":"alert","summary":"Underlined text is present."},{"name":"title_redundant","title":"Redundant title text","type":"alert","summary":"Title attribute text is the same as text or alternative text."},{"name":"alt","title":"Alternative text","type":"feature","summary":"Image alternative text is present."},{"name":"alt_null","title":"Null or empty alternative text","type":"feature","summary":"Alternative text is null or empty (alt=\"\")."},{"name":"alt_spacer","title":"Null or empty alternative text on spacer","type":"feature","summary":"Alternative text is null or empty (alt=\"\") on a spacer image."},{"name":"alt_link","title":"Linked image with alternative text","type":"feature","summary":"Alternative text is present for an image that is within a link."},{"name":"alt_input","title":"Image button with alternative text","type":"feature","summary":"Alternative text is present for an image input element."},{"name":"alt_map","title":"Image map with alternative text","type":"feature","summary":"An alt attribute is present for an image that has hot spots."},{"name":"alt_area","title":"Image map area with alternative text","type":"feature","summary":"Alternative text is present for an image map area (hot spot)."},{"name":"label","title":"Form label","type":"feature","summary":"A form label is present and associated with a form control."},{"name":"fieldset","title":"Fieldset","type":"feature","summary":"A fieldset is present."},{"name":"link_skip","title":"Skip link","type":"feature","summary":"A link is present which allows users to skip over navigation or other content."},{"name":"link_skip_target","title":"Skip link target","type":"feature","summary":"A target for a \"skip\" link is present."},{"name":"lang","title":"Element language","type":"feature","summary":"The language of a page element or part is identified."},{"name":"h1","title":"Heading level 1","type":"structure","summary":"A first level heading (<h1> element) is present."},{"name":"h2","title":"Heading level 2","type":"structure","summary":"A second level heading (<h2> element) is present."},{"name":"h3","title":"Heading level 3","type":"structure","summary":"A third level heading (<h3> element) is present."},{"name":"h4","title":"Heading level 4","type":"structure","summary":"A fourth level heading (<h4> element) is present."},{"name":"h5","title":"Heading level 5","type":"structure","summary":"A fifth level heading (<h5> element) is present."},{"name":"h6","title":"Heading level 6","type":"structure","summary":"A sixth level heading (<h6> element) is present."},{"name":"ol","title":"Ordered list","type":"structure","summary":"An ordered (numbered) list (<ol> element) is present."},{"name":"ul","title":"Unordered list","type":"structure","summary":"An unordered (bulleted) list (<ul> element) is present."},{"name":"dl","title":"Definition\/description list","type":"structure","summary":"A definition\/description list (<dl> element) is present."},{"name":"header","title":"Header","type":"structure","summary":"A <header> element or banner landmark is present."},{"name":"nav","title":"Navigation","type":"structure","summary":"A <nav> element or navigation landmark is present."},{"name":"search","title":"Search","type":"structure","summary":"An ARIA search landmark is present."},{"name":"main","title":"Main content","type":"structure","summary":"A <main> element or main landmark is present."},{"name":"aside","title":"Aside","type":"structure","summary":"An <aside> element or complementary landmark is present."},{"name":"footer","title":"Footer","type":"structure","summary":"A <footer> element or contentinfo landmark is present."},{"name":"table_data","title":"Data table","type":"structure","summary":"A data table is present."},{"name":"table_caption","title":"Table caption","type":"structure","summary":"A table caption is present."},{"name":"th","title":"Table header cell","type":"structure","summary":"A table header cell (<th>) is present."},{"name":"th_col","title":"Column header cell","type":"structure","summary":"A table column header (<th scope=\"col\">) is present."},{"name":"th_row","title":"Row header cell","type":"structure","summary":"A table row header (<th scope=\"row\">) is present."},{"name":"iframe","title":"Inline Frame","type":"structure","summary":"An inline frame (<iframe>) is present. \t"},{"name":"aria","title":"ARIA","type":"aria","summary":"An ARIA role, state, or property is present."},{"name":"aria_label","title":"ARIA label","type":"aria","summary":"An aria-label or aria-labelledby attribute is present."},{"name":"aria_describedby","title":"ARIA description","type":"aria","summary":"An aria-describedby attribute is present."},{"name":"aria_live_region","title":"ARIA alert or live region","type":"aria","summary":"An ARIA alert role or live region is present."},{"name":"aria_menu","title":"ARIA menu","type":"aria","summary":"An ARIA menu is present."},{"name":"aria_button","title":"ARIA button","type":"aria","summary":"An element with role=\"button\" is present."},{"name":"aria_expanded","title":"ARIA expanded","type":"aria","summary":"An aria-expanded attribute is present."},{"name":"aria_haspopup","title":"ARIA popup","type":"aria","summary":"An element triggers a popup menu, dialog, or other element."},{"name":"aria_tabindex","title":"ARIA tabindex","type":"aria","summary":"A tabindex value of 0 or less is present."},{"name":"aria_hidden","title":"ARIA hidden","type":"aria","summary":"Content is hidden with ARIA."}]