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30# Understanding Blockers
Blockers are specific accessibility issues found during a scan. Your goal is to resolve these to ensure your content is accessible to everyone.
## The Blockers View
When you click into an audit, you will see a **Blockers Over Time** chart.
- You can change the view range (Monthly, Quarterly, Yearly) to track progress.
- This high-level view helps you assess the overall health of your digital accessibility.
## Detailed Blockers Table
Below the main chart and URL list, there is a detailed table for technical users and developers.
- **Categories**: Shows the type of accessibility error.
- **Code**: Displays the specific code snippet causing the issue.
- **Details**: You can click on a blocker to see more information, which is useful when asking the accessibility team for help.
## Managing Blockers
### HTML vs. PDF Issues
You can filter the table to show issues specific to:
- **HTML**: Web page errors.
- **PDF**: Document errors.
### Ignoring Blockers
Sometimes, a scan might flag something that is a false positive or an issue you cannot fix immediately (e.g., a template issue).
- You can click the **Ignore** button on any blocker.
- **Effect**:
- The blocker is immediately removed from your total count.
- The "Ignore" status is **persistent**. Future scans will continue to ignore this item so it doesn't clutter your report.
- You can always View Ignored items and reactivate them if needed.