0.3.10 • Public • Published

QualWeb WCAG techniques

Implementation of the WCAG 2.1 techniques.

How to use

This is an internal module of QualWeb. To use it check either @qualweb/cli or @qualweb/core. You can also perform evaluations at http://qualweb.di.fc.ul.pt/evaluator/, or by installing the chrome extension.

Implemented techniques

QualWeb Technique ID WCAG Technique ID WCAG Technique Name
QW-WCAG-T1 H24 Providing text alternatives for the area elements of image maps
QW-WCAG-T2 H39 Using caption elements to associate data table captions with data tables
QW-WCAG-T3 H71 Providing a description for groups of form controls using fieldset and legend elements
QW-WCAG-T4 H73 Using the summary attribute of the table element to give an overview of data tables
QW-WCAG-T5 H36 Using alt attributes on images used as submit buttons
QW-WCAG-T6 SCR20 Using both keyboard and other device-specific functions
QW-WCAG-T7 H28 Providing definitions for abbreviations by using the abbr element
QW-WCAG-T8 F30 Failure of Success Criterion 1.1.1 and 1.2.1 due to using text alternatives that are not alternatives
QW-WCAG-T9 G141 Organizing a page using headings
QW-WCAG-T10 H2 Combining adjacent image and text links for the same resource
QW-WCAG-T11 H35 Providing text alternatives on applet elements
QW-WCAG-T12 F46 Failure of Success Criterion 1.3.1 due to using th elements, caption elements, or non-empty summary attributes in layout tables
QW-WCAG-T13 F47 Failure of Success Criterion 2.2.2 due to using the blink element
QW-WCAG-T14 H43 Using id and headers attributes to associate data cells with header cells in data tables
QW-WCAG-T15 H59 Using the link element and navigation tools
QW-WCAG-T16 H88 Using HTML according to spec
QW-WCAG-T17 G162 Positioning labels to maximize predictability of relationships
QW-WCAG-T18 H51 Using table markup to present tabular information
QW-WCAG-T19 H32 Providing submit buttons
QW-WCAG-T20 H33 Supplementing link text with the title attribute
QW-WCAG-T21 F89 Failure of Success Criteria 2.4.4, 2.4.9 and 4.1.2 due to not providing an accessible name for an image which is the only content in a link
QW-WCAG-T22 F52 Failure of Success Criterion 3.2.1 and 3.2.5 due to opening a new window as soon as a new page is loaded
QW-WCAG-T23 G1 Adding a link at the top of each page that goes directly to the main content area
QW-WCAG-T24 F55 Failure of Success Criteria 2.1.1, 2.4.7, and 3.2.1 due to using script to remove focus when focus is received
QW-WCAG-T25 H63 Using the scope attribute to associate header cells and data cells in data tables
QW-WCAG-T26 F59 Failure of Success Criterion 4.1.2 due to using script to make div or span a user interface control in HTML without providing a role for the control
QW-WCAG-T27 F88 Failure of Success Criterion 1.4.8 due to using text that is justified (aligned to both the left and the right margins)
QW-WCAG-T28 C12 C13 C14 Using percent, em, names for font sizes
QW-WCAG-T29 C19 Specifying alignment either to the left or right in CSS
QW-WCAG-T30 F4 Failure of Success Criterion 2.2.2 due to using text-decoration:blink without a mechanism to stop it in less than five seconds
QW-WCAG-T31 F24 Failure of Success Criterion 1.4.3, 1.4.6 and 1.4.8 due to specifying foreground colors without specifying background colors or vice versa
QW-WCAG-T32 H48 Using ol, ul and dl for lists or groups of links




DownloadsWeekly Downloads






Unpacked Size

101 kB

Total Files


Last publish


  • joao-vicente
  • antonioestriga
  • carlosapaduarte