Concept for testing accessibility
Objective:
Ensure that your website meets the requirements of the Accessibility Improvement Act (BFSG) and the international accessibility guidelines (WCAG 2.1).
Steps to check accessibility:
1. preparation
Assessment:
- Create
- list
- of all pages and functions of the website (e.g. homepage, contact form, content such as PDF documents, search functions).
- Analyse the technologies and page types used
- .
-
Define
test criteria:
-
Use
- the WCAG 2.1 guidelines with a focus on conformance levels A and AA. Check
- for compatibility with national requirements (BITV 2.0).
-
Select
testing tools:
-
Automated
- tools: e.g. WAVE, Axe, Lighthouse. Manual
- tests: Screen reader (e.g. NVDA or JAWS), keyboard navigation.
2. automated testing
-
Execution:
- Apply automated
- tools to the website to identify initial issues such as missing alternative text, poor contrast, incorrect ARIA roles.
- Analyse report
- :
- Create list
- of automated issues found.
- Categorise errors
- (critical, moderate, minor).
3. manual check
-
Visual
check:
-
Check
- design for sufficient contrast (at least 4.5:1 for text and background). Check
- legibility of fonts and sizes.
-
Screen
reader
test:
- Check the navigation
- of the website with a screen reader. Ensure
- that content is read out logically and comprehensibly.
-
Keyboard
test:
-
Check
- whether all interactive elements (e.g.
forms, buttons, buttons, - text, etc.) can be
- read
- .
- whether
- all
interactive- elements (
- e.g. forms, buttons, menus) can be fully operated using the keyboard.
-
Content
check:
-
Check
- whether alternative texts for images are available and make sense. Ensure
- that multimedia content (e.g.
videos - ) contains
subtitles or- transcripts.
- Create report
- :
- Create list
- of issues found.
- Categorise errors
- (critical, moderate, minor).
4. check the documents
- Review
- the PDF documentsprovided on the website :
-
Ensure
- that the PDFs are accessible.
- Create report
- :
- Create list
- of issues found.
- Categorise errors
- (critical, moderate, minor).
5. user feedback
- Set up an accessibility reporting centre
- :
-
Contact form
- or email address on the website so that users can report barriers.
- Involve a test group
- :
- Have people
- with different disabilities test the website.
- Get feedback
- on usability.
- Create report
- :
- Create list
- of issues found.
- Categorise errors
- (critical, moderate, minor).
6. document the results
- Summarise reports
- :
-
Identified
- barriers and their impact. Suggest
- remediation with prioritisation by urgency.
- Document test log
- :
- Document all
- tests and tools performed.
Implementation of the findings:
-
Develop
- solutions:
-
Collaborate
- with developers and designers to remove barriers. Ensure
- code is semantically correct and ARIA roles are used appropriately.
-
Review:
- Rerun all tests after
- issues are resolved.
Ensure accessibility in the long term:
-
Regular
checks:
-
Quarterly
- check the website for accessibility.
-
Training:
-
Train
- editors on how to handle accessible content.
%
-
Monitoring
and feedback:
-
Establish
- a monitoring system to continuously check changes and new content for accessibility.
Schedule for checking and optimising accessibility
Phase 1: Preparation and planning (2 weeks)
CW 1-2:
-
Analysing
- the website:
-
Creating
- a page overview and identifying critical areas (homepage, contact forms, documents). Selecting
- the testing tools to be used (e.g. WAVE, screen reader, Lighthouse).
Definition - of test criteria:
-
Orientation
- to WCAG 2.1 (Level A and AA) and BITV 2.0.
Team - formation:
-
Composition of
- a team of developers, designers and, if necessary, external accessibility experts.
Phase 2: Carrying out the accessibility check (4 weeks)
CW 3-6:
-
Automated
check (1 week):
-
Use of
- automated tools for an initial analysis of the barriers (e.g. missing alternative texts, contrasts). First
- categorisation and prioritisation of the problems found.
-
Manual
test (2 weeks):
-
Visual
- test: Analysis of contrasts, font sizes and visual structure.
- Screen reader test
- : Testing the website with screen readers (e.g. NVDA or JAWS).
- Keyboard test
- : Test of complete usability via keyboard.
- Content test
- : Ensure that texts, alternative texts and descriptions are meaningful and complete.
%
-
Test
of PDF documents (1 week):
-
Analysis
- of all documents provided for accessibility with tools such as Adobe Acrobat Pro or PAC 3.
Phase 3: Analysing and reporting (2 weeks)
CW 7-8:
-
Creation of
a test report:
-
Summary
- of the identified barriers (automated and manual tests). Prioritisation of
- the problems according to criticality (e.g. critical, moderate, low).
-
Develop
solutions:
-
Recommendations
- and concrete measures to eliminate the barriers.
Phase 4: Removal of barriers (6 weeks)
CW 9-14:
-
Implementation of
- technical adjustments (4 weeks):
-
Revision
- of the source code (e.g. ARIA roles, semantic HTML code, contrasts). Adaptation
- of PDF documents for accessibility.
Content optimisation - (2 weeks):
-
Training
- of editors to create accessible content (e.g. alternative texts, simple language). Revision
- of existing content.
%
Phase 5: Review and quality assurance (3 weeks)
CW 15-17:
-
Review
- website:
-
Repeat
- automated and manual testing to ensure all issues have been resolved.
User - feedback:
-
Testing
- by a group of users with disabilities (screen reader users, people with motor impairments).
- Final report
- :
-
Documentation of
- all measures taken and remaining issues (if any).
Phase 6: Ensuring accessibility in the long term (ongoing)
-
From
- week 18 (ongoing):
-
Regular
- review (quarterly). Implementation of
- an accessibility feedback form on the website. Training
- for editors and developers on long-term compliance with the standards.