Report Title: pvsunglasses4sale
May 23, 2022 20:06
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Alt text must summarize purpose

Violations Warnings Manual
Checks
Passed
Number of Pages - - 25 -
25 pages with manual checks;

Details

Rule ID Image 2
Definition The text alternative for img elements and elements with [role="img"] must summarize the content and/or purpose of the image.
Purpose
  • Images can convey a wide range of content and be used for many different purposes on a web page, from button and icon images that perform simple actions to complex graphics that help people visualize the features and relationships of large data sets.
  • Markup supports creating both short and long text alternatives. A short text alternative is designed to orient people who cannot see the image to the type of content it contains or its purpose on the page. A long text alternative or long description provides comprehensive details of the features of an image, e.g., the data used to generate a chart or graph, relationships in a flow chart, or a MathML version of a mathematical equation.
  • Images that function as buttons and perform an action on the page should have a short text alternative that is as succinct as possible (e.g., "Increase text size").
  • Informative images of photographs need a short text alternative and additionally can often benefit from long descriptions.
  • Informative images of charts or graphs need both a short text alternative and a long description to describe its purpose and the data used to create it.
  • If an image that is informative does not have text alternative content, users of assistive technologies will not have access to the information the image conveys.
WCAG Success Criteria

1.1.1 Non-text Content (Level A, Primary Success Criterion)

Rule Category Images
Scope Element
Target Resources img, [role="img"] with short descriptions
  • img
Techniques
  • Use the alt attribute on img elements to provide a text alternative for the image. A rule of thumb is to use what you would say to someone over the phone to describe the image.
  • The aria-labelledby attribute can be used to provide a text alternative when images can be described using text already associated with the image, such as a visible caption, or for elements with role="img".
  • The aria-label attribute should only be used to provide a text alternative in the special case when an element has a role="img" attribute.
  • The title attribute will be used by assistive technologies to provide a text alternative if no other specification technique is found. NOTE: Using the title attribute will also generate a tooltip in some browsers.
  • Use the attributes alt="", role="presentation" or include the image as a CSS background-image to identify it as being used purely for stylistic or decorative purposes and that it should be ignored by people using assistive technologies.
Manual Checks
  • Find each image on the page and verify that it is only being used decoratively or is redundant with other information on the page.
Informational Links

Page Results

Element Results Implementation Level
Page Page Title Result V W MC P Score Status
All Pages Manual Check - - - - 0 R

Implementation Score Definitions

  • The implementation score is based on the rule results across all pages and ranges from 0 to 100.
  • '-' means there were no rule results for that group (e.g. rules were not applicable).
  • The following messages give a general idea of the overall implementation of the rules for a website.
Abbrev Score Status Description
C 100 Complete Complete means all rules have passed. There were either no manual checks or all manual checks have been resolved.
R 0 Required Manual Checks
  • Manual checks are required to verify accessibility. Markup has been identified that needs to be reviewed to determine if accessibility requirements have been met.
  • Start with the website and page level manual checks since they affect website and page navigation and identification of content and then start on the element level manual checks.
AC
AC-R
95-99 Almost Complete
  • Almost Complete means that you seem to understand the accessibility requirements of the rules, and are close to fully implementing their requirements on all pages within the website.
  • "-R" means there are required Manual Checks. Markup has been identified that needs to be reviewed to determine if accessibility requirements have been met.
PI
PI-R
50-94 Partial Implementation
  • Partial Implementation means that you may understand at least some of the accessibility requirements.
  • "-R" means there are required Manual Checks. Markup has been identified that needs to be reviewed to determine if accessibility requirements have been met.
  • Please re-read the accessibility requirement and review the techniques before trying to improve the accessibility.
NI
NI-R
0-50 Not Implemented
  • Incomplete means that you do not understand the accessibility requirements of the rules or did not consider accessibility in the design of the website.
  • "-R" means there are required Manual Checks. Markup has been identified that needs to be reviewed to determine if accessibility requirements have been met.
  • Please read the accessibility requirements and review the techniques before trying to improve the accessibility.
na - Not Applicable No markup was found that identifed a known or possible accessibility issue.

Note: Future versions of FAE will allow you to mark manual checks as, pass, fail or not applicable.

Implementation Score Computation

Implementation Score = P / (P + F + MC)

Each variable represents the number of element level results for a particular rule, where:

  • P = elements that passed
  • F = elements that failed
  • MC = elements that require a manual check

The score ranges in value from 0 to 100, that is from no implementation to all accessibility requirements met. In the future, FAE will allow you to change manual checks to pass, fail or not applicable, and will recompute the Implementation Score based on the updated manual checking results.

Note: When a manual check is changed to not applicable that element result is removed from the implementation score computation.

Implementation Score Combinations

Implementation scores are rule-based and are computed for the following combinations:

Pages Rules Calculation
1 1 Element level results determine the implementation score for a rule on a specific page.
1 All The implementation score for a page is the average of all implementation scores for all rules on the page, with all rules being equally weighted.
All 1 The implementation score for a rule across all the pages in a website is based on the aggregation of all element results for the rule across all pages.
All All The implementation score for a website is the average of the website rule implementation scores.

Example Rule Implementation Scores on Individual Page

Description Pass Fail Manual Check Implementation Score
A rule with scope of element, like "Image must have alt text". 8 2 0 80
A rule with scope of page like "Page must have main landmark". 0 1 0 0
A rule with scope of element with elment results of pass, fail and manual checks that may occur for the color contrast rule. 134 29 37 67

Example Rule Implementation Score for All Pages in a Website

This is a hypothetical example for a website

Page results for Rule X Pass Fail Manual Check Implementation Score
Page 1 element results for rule X. 23 12 4 59
Page 2 element results for rule X. 12 4 0 75
Page 3 element results for rule X. 45 0 0 100
Website element results for Rule X 80 16 4 80