Scan tools and compliance platforms serve different purposes in digital accessibility. A scan tool runs automated checks against Web Content Accessibility Guidelines (WCAG) success criteria and flags potential issues. A compliance platform is a broader application that tracks those issues, manages remediation workflows, and provides reporting across an entire accessibility program.
One is a detection mechanism. The other is a management system.
| Key Point | What It Means |
|---|---|
| Primary Function | Scan tools detect issues. Compliance platforms manage the full lifecycle of those issues from identification through remediation. |
| Coverage | Scans flag approximately 25% of accessibility issues. Platforms incorporate scan results alongside (manual) audit findings to cover the remaining 75%. |
| Reporting | Scan tools produce issue lists. Platforms produce program-level dashboards, progress analytics, and exportable reports. |
| Remediation Tracking | Scan tools do not track fixes. Platforms assign issues to team members, set priorities, and log remediation status over time. |
What Scan Tools Do
A scan tool loads a web page and evaluates its HTML, CSS, and ARIA attributes against WCAG success criteria. The output is a list of detected issues, typically organized by severity or criterion.
Scans are fast and repeatable. They work well for catching structural issues like missing form labels, empty link text, or incorrect heading order. They can be scheduled to run on a recurring basis, which adds a monitoring layer to catch regressions after code changes.
The limitation is scope. Automated scans flag approximately 25% of WCAG issues. The remaining 75% requires human evaluation, including screen reader testing, keyboard testing, and contextual review of content and interactions.
What Compliance Platforms Do
A compliance platform is software that enables organizations to track and log accessibility issues, monitor remediation progress, and generate reports. Some platforms include a built-in scanning component, but scanning is only one feature within a larger system.
Platforms are designed for ongoing program management. They bring together results from scans, (manual) audits, and user evaluations into a single environment. Teams can assign issues, prioritize by user impact and risk, and measure progress with analytics and data visualizations.
Many platforms also support documentation workflows, including Voluntary Product Accessibility Template (VPAT) generation and Accessibility Conformance Report (ACR) management.
Where They Overlap
Some scan tools include basic dashboards or historical trend views, which can make them feel like platforms. Some platforms include scanning as a built-in feature, which can make them feel like scan tools.
The distinction comes down to what happens after issues are identified. If the tool stops at detection, it is a scan tool. If it tracks remediation, assigns ownership, and reports on program status, it is a platform.
When Organizations Use Both
Scan tools and compliance platforms are not interchangeable, but they are often used together. An organization might use a standalone scanning service for continuous monitoring while managing the results, along with audit findings and remediation tasks, inside a compliance platform.
This separation allows teams to choose the scanning technology that fits their infrastructure without being locked into a single vendor’s platform for all program management.
The choice between a scan tool and a full compliance platform depends on where an organization is in its accessibility program. Scan tools are a starting point. Platforms are the infrastructure for sustained conformance over time.
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