Accessibility Evaluation Report for nextnano Software¶
This report describes the conformance of the nextnano Software with W3C’s Web Content Accessibility Guidelines (WCAG). Based on this evaluation, the nextnano Software is close to meeting WCAG 2.1, Conformance Level A. Partially conforming to Level AA as well. Detailed review results are available below.
Scope of Review¶
Full software: nextnano Graphical User Interface (GUI) nextnanomat Version 18.104.22.168, date 2021-Dec-14.
Carola Burkl, Developer of nextnanomat (GUI)
Conformance was tested for WCAG 2.1 Level A and AA. Manual review based on Praxent Accessibility Guidelines adapted for software. Compatibility with Windows built-in accessibility tools tested. Compatibility with screen reader NVDA tested.
Interpretative summary of review results¶
Mostly conformant on WCAG 2.1 Level A. On some functionality conformance up to Level AA is achieved.
Meaningful Order (1.3.2) [A] → yes
Sensory Capabilities (1.3.3) [A] → yes
Under three flashes (2.3.1 & 2.2.2) [A] → yes
Images of text (1.4.5) [AA] → yes
Text Size & Spacing (1.4.12 & 1.4.4) [AA] → partially
Compatible with screen magnifier at least up to 300% without loss of functionality or content.
Content on Hover & Focus (1.4.13) [AA] → no
Content present on hover cannot be dismissed.
Hover content does not block region of mouse pointer.
Alternative Text (1.1.1) [A] → partially
All images and non-text content of software have alternative text. → yes
Visual output of simulation results is not text interpreted. But result data can be viewed as text file as well.
Page titles (2.4.2) [A] → yes
Descriptive headings & labels (2.4.6) [AA] → partially
Buttons of main menu → yes (same functionality as buttons of tab pages)
Buttons of tab pages → no
Language Changes (3.1.2) [AA] → no
Form Labels & Instructions (3.3.2) [A] → yes
All forms and input fields are labeled
Label in name (2.5.3) [A] → partially
Consistent Identification (3.2.4) [AA] → no
Name, Role, Value (4.1.2) [A] → yes, although name is not always descriptive
Consistent Identification (3.2.4) [AA] → not relevant: no corresponding representation in non-html software
Focus order (2.4.3) [A] → no
No focus change (3.2.1) [A] → yes
No input change (3.2.2) [A] → yes
Error identification (3.3.1) [A] → yes
Keyboard focus visible (2.4.7) [AA] → yes
Error suggestions (3.3.3) [AA] → yes
Error preventions (3.3.4) [AA] → not relevant: no corresponding representation in software
Pointer gestures (2.5.1) [A] → not relevant: no high precise pointer movements necessary
Pointer Cancellations (2.5.2) [A] → no
Motion actuation (2.5.4) [A] → not relevant: no motion functionality is used
Keyboard only (2.1.1) [A] → no
Inside a tab → yes.
But to change tabs → no.
Logical tab order → partially
No keyboard traps (2.1.2) [A] → no
Character Key Shortcuts (2.1.4) [A] → yes (only active at focus)
Adjustable Time (2.2.1) [A] → not relevant: no existing time limits
Use of color (1.4.1) [A] → no
Visualization of 2D or 3D data in the output tab uses heat maps to represent data values.
However, the color maps include choices for different types of color blindness as well as monochromous options.
Orientation (1.3.4) [AA] → yes (GUI can be resized to custom preference)
Text & Image contrast (1.4.3) [AA] → yes
Additional element contrast (1.4.11) [AA] → no
Clean code (4.1.1) [A] → not relevant: no html in software
Reflow (1.4.10) → yes
Screen reader NVDA tested
Screen magnifier (Windows) tested, up to 400%
Color Inversion (Windows) tested
Display increased App size (Windows) tested, up to 175%
Make text bigger (Windows) – does not work well
High contrast (Windows)
Black background does not work
Other background works but is not recommended
Tested and recommended on Windows 10
- Web Content Accessibility Guidelines (WCAG) Overview
- Web Content Accessibility Guidelines 2.1
- Techniques for WCAG 2.1
- Accessibility Evaluation Resources
- Praxent Accessibility Guidelines Checklist