Meta Label,Meta Value Title,"Nh my lc khng kh Olansi, nh sn xut, nh cung cp ti Trung Quc" URL,https://www.olansivn.com/about-olansi.html Ruleset,HTML5 and ARIA Techniques Depth,1 Pages,1 Report URL,https://fae.disability.illinois.edu/pages/17b294b8718baa51/rs/element/page/1/ Page Number,1 Page Title,"Nh my lc khng kh Olansi, nh sn xut, nh cung cp ti Trung Quc" Page URL,https://www.olansivn.com/about-olansi.html Rule ID,Rule Summary,Element Violations,Element Warnings,Element Manual Check,Element Passed,Element Hidden,Score,Status Landmark 2,All content must be contained in landmarks,67,0,0,0,51,0,NI Color 1,Text must exceed CCR threshold,6,0,4,54,43,84,PI-R Image 3,Alt text must not include filename,1,0,0,2,8,67,PI Heading 3,Sibling headings must be unique,0,2,0,6,0,75,PI Link 2,Link text must be unique,0,2,0,0,0,0,NI Focus 3,Target focus must be in content window,0,0,39,0,49,0,R Link 1,Link text must describe the link target,0,0,39,0,49,0,R Timing 3,Flashing limits,0,0,4,0,8,0,R Timing 2,"Control moving, blinking or auto-updating content",0,0,4,0,8,0,R Image 6,Long description for complex images,0,0,3,0,8,0,R Image 2,Alt text must summarize purpose,0,0,3,0,8,0,R Image 7,Use MathML for mathematical expressions,0,0,3,0,8,0,R List 2,Provide list labels when appropriate,0,0,3,0,1,0,R Widget 11,Elements with event handlers must have roles,0,0,2,0,0,0,R Resize 1,Resize text content,0,0,1,0,0,0,R Timing 1,Control time limits,0,0,1,0,0,0,R Heading 5,Headings must be properly nested,0,0,0,9,0,100,C Heading 6,Headings must have text content,0,0,0,9,0,100,C Widget 5,Attributes that start with aria- must be defined.,0,0,0,8,0,100,C Widget 4,ARIA values must be valid,0,0,0,8,0,100,C Control 5,id must be unique,0,0,0,4,0,100,C Image 1,Images must have alt text,0,0,0,3,8,100,C Image 4 (English),Alt text no more than 100 characters,0,0,0,3,8,100,C Widget 2,onClick event handlers must have role,0,0,0,1,0,100,C Control 4,buttons must have content,0,0,0,0,3,-1,na Control 1,Form controls must have labels,0,0,0,0,1,-1,na Widget 3,role must be valid,0,0,0,0,1,-1,na Control 10,Labels must be unique,0,0,0,0,1,-1,na Widget 12,Widget labels must be descriptive,0,0,0,0,1,-1,na Keyboard 1,Widget roles require keyboard support,0,0,0,0,1,-1,na Widget 1,Widgets must have label,0,0,0,0,1,-1,na Role 6,Do not override nav element semantics. (Deprecated),0,0,0,0,0,-1,na Role 5,section element role semantics. (Deprecated),0,0,0,0,0,-1,na Role 4,article element role semantics. (Deprecated),0,0,0,0,0,-1,na Role 3,ol and ul role grouping semantics. (Deprecated),0,0,0,0,0,-1,na Role 2,body element role semantics. (Deprecated),0,0,0,0,0,-1,na Role 1,main element role semantics. (Deprecated),0,0,0,0,0,-1,na Layout 3,Verify aria-flowto supports reading order,0,0,0,0,0,-1,na Layout 2,Do not nest layout tables,0,0,0,0,0,-1,na Landmark 19,complementary landmark: must be top level,0,0,0,0,0,-1,na Landmark 18,Landmarks must identify content regions,0,0,0,0,0,-1,na Landmark 17,Landmarks must be uniquely identifiable,0,0,0,0,0,-1,na Landmark 16,region landmark must have accessible name,0,0,0,0,0,-1,na Landmark 15,form landmark: restrictions,0,0,0,0,0,-1,na Landmark 14,search landmark: restrictions,0,0,0,0,0,-1,na Landmark 13,contentinfo landmark: restrictions,0,0,0,0,0,-1,na Landmark 12,contentinfo landmark: must be top-level,0,0,0,0,0,-1,na Landmark 11,main landmark: must be top-level,0,0,0,0,0,-1,na Landmark 10,navigation landmark: restrictions,0,0,0,0,0,-1,na Landmark 9,banner landmark: restrictions,0,0,0,0,0,-1,na Landmark 8,banner landmark: must be top-level,0,0,0,0,0,-1,na Widget 14,Verify appropriate use of live region,0,0,0,0,0,-1,na Image 5,Verify image is decorative,0,0,0,0,0,-1,na HTML 2,Replace marquee elements,0,0,0,0,0,-1,na Heading 8,Headings nested in landmarks,0,0,0,0,0,-1,na Heading 7,First landmark heading h2,0,0,0,0,0,-1,na Heading 2,h1 must be in main or banner landmark,0,0,0,0,0,-1,na Frame 2,iframe must have accessible name,0,0,0,0,0,-1,na Frame 1,frame must have accessible name,0,0,0,0,0,-1,na Focus 5,Forms submitted using buttons,0,0,0,0,0,-1,na Focus 4,select must not change context,0,0,0,0,0,-1,na Error 4,Error correction suggestions,0,0,0,0,0,-1,na Error 3,Required widgets,0,0,0,0,0,-1,na Error 2,Required form controls,0,0,0,0,0,-1,na Error 1,Information on invalid values,0,0,0,0,0,-1,na Control 11,Submit and reset button labels must be unique,0,0,0,0,0,-1,na Control 9,Verify title is the label.,0,0,0,0,0,-1,na Control 8,fieldset must have one legend,0,0,0,0,0,-1,na Control 7,label must have content,0,0,0,0,0,-1,na Control 6,label must reference control,0,0,0,0,0,-1,na Control 3,Radio buttons must have grouping label,0,0,0,0,0,-1,na Control 2,Image button must have alt. content,0,0,0,0,0,-1,na Audio 3,embed for audio must have alternative,0,0,0,0,0,-1,na Audio 2,object for audio must have alternative,0,0,0,0,0,-1,na Audio 1,audio must have alternative,0,0,0,0,0,-1,na Keyboard 3,No keyboard trap,0,0,0,0,0,-1,na Widget 10,Value in range,0,0,0,0,0,-1,na Widget 9,Only one owner,0,0,0,0,0,-1,na Widget 8,Role must have parent,0,0,0,0,0,-1,na Widget 7,Widgets must have owned elements,0,0,0,0,0,-1,na Widget 6,Widgets must have properties,0,0,0,0,0,-1,na Video 9,embed for video must have audio description,0,0,0,0,0,-1,na Video 8,object for video must have audio description.,0,0,0,0,0,-1,na Video 7,video element must have audio description.,0,0,0,0,0,-1,na Video 6,embed for video must have captions,0,0,0,0,0,-1,na Video 5,object for video must have captions,0,0,0,0,0,-1,na Video 4,video must have caption,0,0,0,0,0,-1,na Video 3,embed for video only must have alternative,0,0,0,0,0,-1,na Video 2,object for video only must have alternative,0,0,0,0,0,-1,na Video 1,video for video only must have alternative,0,0,0,0,0,-1,na Table 8,Name must be different than description,0,0,0,0,0,-1,na Table 7,Data cells must use headers attribute,0,0,0,0,0,-1,na Table 6,Header cells must be th elements,0,0,0,0,0,-1,na Table 5,Identify table markup as data or layout,0,0,0,0,0,-1,na Table 4,Data tables must have unique names,0,0,0,0,0,-1,na Table 3,Data tables must have description,0,0,0,0,0,-1,na Table 2,Data tables must have name,0,0,0,0,0,-1,na Table 1,Data cells must have row/column headers,0,0,0,0,0,-1,na Role 14,textarea element role semantics. (Deprecated),0,0,0,0,0,-1,na Role 13,select element role semantics. (Deprecated),0,0,0,0,0,-1,na Role 12,a[href] element role semantics. (Deprecated),0,0,0,0,0,-1,na Role 11,li element group item semantics. (Deprecated),0,0,0,0,0,-1,na Role 10,Overriding h1-h6 role semantics. (Deprecated),0,0,0,0,0,-1,na Role 9,Do not override footer element role. (Deprecated),0,0,0,0,0,-1,na Role 8,Do not override header element role. (Deprecated),0,0,0,0,0,-1,na Role 7,aside element role semantics. (Deprecated),0,0,0,0,0,-1,na