RGAA 3.0 - Rule 1.5.2

Summary

This test consists in detecting buttons associated with an image used as a CAPTCHA.

Business description

Criterion

1.5

Test

1.5.2

Description

Does each button associated with an image (input tag with the attribute type="image") used as CAPTCHA meet one of the following conditions?

  • Another non graphic form of CAPTCHA is available, at least
  • Another solution to access the functionality protected by the CAPTCHA is available

Level

A

Technical description

Scope

Page

Decision level

Semi-Decidable

Algorithm

Selection

Set1

All the <input> tags with a "type" attribute equals to "image" (css selector : input[type=image])

Set2

All the elements of Set1 identified as a CAPTCHA (see Notes for details about CAPTCHA characterisation).

Process

Test1

For each element of Set2, raise a MessageA

MessageA
  • code : CheckCaptchaAlternativeAccess
  • status: Pre-Qualified
  • parameter : tag name, snippet
  • present in source : yes

Analysis

Pre-qualified

At least one <input> tags with a "type" attribute equals to "image" identified as a CAPTCHA has been found on the page (Set2 is not empty)

Not Applicable

No <input> tag with a "type" attribute equals to "image" identified as a CAPTCHA has been found on the page (Set2 is empty)

Notes

An element is identified as a CAPTCHA when the "captcha" occurrence is found :

  • on one attribute of the element
  • or within the text of the element
  • or on one attribute of one parent of the element
  • or within the text of one parent of the element
  • or on one attribute of a sibling of the element
  • or within the text of a sibling of the element

TestCases

TestCases files for rule 1.5.2