如何查看Salesforce Marketing Cloud邮件符合的无障碍标准并开展无障碍测试？

Hey Lucy, great question—testing email accessibility for screen readers is such a critical piece of compliance, especially since you’re already invested in getting this right with your current project. Since you’re using Salesforce Marketing Cloud (SFMC) and already leverage ReturnPath for rendering and color blindness checks, let’s break down actionable, practical steps to test screen reader compatibility:

1. Manual Screen Reader Testing (Most Reliable Approach) #

Email clients have wildly inconsistent support for accessibility attributes like ARIA, so manual testing with real tools is non-negotiable:

• Pick mainstream screen readers to test:
  • Windows: Use NVDA (free, open-source) paired with Firefox/Edge, or JAWS (commercial industry standard)
  • Mac/iOS: Use the built-in VoiceOver (toggle it on with Cmd + F5)
  • Android: Use the built-in TalkBack
• Test across key email clients:
  Screen reader behavior changes drastically per client—focus on these high-impact ones:
  • Desktop: Outlook (Windows version is notoriously tricky for HTML/accessibility), Apple Mail, Thunderbird
  • Mobile: Apple Mail, Gmail App, Outlook Mobile
• Validate core accessibility scenarios:
  1. Play through the entire email with the screen reader enabled—confirm content is read in logical order (headings first, then body, then CTAs, not random chunks)
  2. Check image alt text: Ensure every image in your SFMC email has descriptive alternative text (you set this when uploading images in Content Builder) and the screen reader doesn’t skip images or read generic "unnamed image" text
  3. Verify link clarity: Links should use descriptive text (e.g., "View our accessibility standards guide" instead of "Click here")—the screen reader should clearly communicate where the link leads. Avoid letting SFMC auto-use the URL as link text
  4. Test interactive elements: If you use CTAs, make sure the screen reader identifies them as buttons (not plain text). Stick to SFMC’s built-in button components instead of image buttons; if you must use an image button, add detailed alt text explaining its function

2. Leverage SFMC’s Built-In Accessibility Tools #

SFMC has hidden gems to catch issues before you send:

• Content Builder Accessibility Checker: When editing your email, click the Accessibility button in the top-right corner. It scans for common issues like missing alt text, low-contrast text, and ambiguous link text—great for fixing quick wins before manual testing
• Preview & Test Send: Use SFMC’s test send feature to deliver the email to your own test inbox, then open it with screen readers. The preview mode in SFMC doesn’t match real-client rendering, so testing a live sent email is far more accurate

3. Automated Tools for Quick Pre-Checks #

Automated tools can’t replace manual testing, but they’re perfect for catching obvious gaps fast:

• WAVE Browser Extension: Export your SFMC email’s HTML (you can do this from Content Builder), open it in a browser, and run the WAVE extension. It flags missing alt text, broken semantic structure, and contrast issues with visual overlays
• axe-core CLI: If you’re comfortable with basic command-line tools, copy your email’s HTML to a local file, then run axe-core’s CLI scan to get a structured report of accessibility violations

4. SFMC-Specific Optimization Tips to Reduce Testing Headaches #

A little upfront work in SFMC can make your accessibility testing smoother:

• Stick to SFMC’s native accessible components: Use the built-in text, button, and image modules instead of custom HTML—these are already optimized for accessibility and email client compatibility
• Keep HTML semantic: Use <h1>-<h6> for heading levels instead of bolded text or font size changes; wrap body content in <p> tags instead of stacking <br> tags
• Avoid full-image emails: If you absolutely need to use a full-image layout, add descriptive alt text for the entire image and include a plain-text fallback at the top of the email (e.g., "This email contains a visual overview of our accessibility standards—view the text version [here]")

Combining these steps with your existing ReturnPath testing will give you a full picture of your email’s accessibility compliance.

内容的提问来源于stack exchange，提问作者Lucy Winning