Why Spreadsheets Beat Scan-Based Platforms

A spreadsheet with data from a (manual) accessibility audit gives you more accurate, more actionable information than any scan-based platform on the market. Scans only flag approximately 25% of accessibility issues, which means a platform built on scan data is missing roughly three out of every four issues on your site. A spreadsheet populated with real audit findings covers everything.

That distinction matters more than the interface.

What a Scan-Based Platform Actually Gives You

Scan-based platforms run automated checks against your web pages and return a list of flagged issues. The interface is often polished. Dashboards, color-coded severity ratings, trend lines over time.

But the underlying data is shallow. Automated scans can only evaluate issues that follow predictable code patterns. They miss context-dependent issues: reading order, keyboard focus management, meaningful alt text, form labeling logic, and dozens of other WCAG 2.1 AA criteria that require human judgment.

The result is a platform that looks complete but isn’t. You can track what’s inside it, but what’s inside it is only a fraction of your actual accessibility issues.

Why Does a Spreadsheet from an Audit Outperform That?

When an auditor evaluates your website or web app against WCAG 2.2 AA (or 2.1 AA), they document every issue they identify. That data typically lands in a spreadsheet: one row per issue, with columns for the criterion, the location, severity, a description, and often a recommendation.

This spreadsheet is the single source of truth for your accessibility project. It reflects what a trained professional actually observed, not what an algorithm guessed at.

You can sort by severity. Filter by page. Assign columns for status, owner, and notes. A team can use the same spreadsheet to manage remediation from start to finish.

The Data Quality Gap Is the Entire Argument

Strip away the branding and the UI, and the question becomes: would you rather track 25% of your issues in a nice dashboard or 100% of your issues in a spreadsheet?

Spreadsheets are better than a scan-based platform because the data feeding them is better. A spreadsheet is only as useful as the information inside it, and audit data is complete. Scan data is not.

For organizations working toward ADA compliance or preparing a VPAT (which requires an audit to produce a credible ACR), the accuracy of the underlying data is everything. No amount of project management polish compensates for missing three-quarters of the picture.

Spreadsheets Are Free, Flexible, and Universal

Google Sheets costs nothing. Microsoft Excel is available on virtually every work machine. Both support filtering, conditional formatting, formulas, and collaboration features.

Scan-based platforms charge subscription fees. Some charge per page scanned. Others charge per project or per seat. And you’re paying for a tool that can only surface approximately 25% of your issues.

A spreadsheet adapts to whatever workflow your team already uses. You don’t need to learn a new platform, migrate data, or train your developers on someone else’s interface. The spreadsheet is the interface, and everyone already knows how to use it.

When Would a Platform Be Worth It?

A platform built on audit data is a different conversation. If the platform ingests real audit findings, assigns severity using legitimate prioritization formulas, and gives you tracking and reporting features on top of that data, it adds real value.

A platform is worth paying for when it makes good data easier to act on. It is not worth paying for when it makes bad data look presentable.

Scans Still Have a Role

Scans are useful for ongoing monitoring between audits. They catch regressions in areas they can evaluate: missing alt attributes, empty buttons, broken ARIA references, contrast ratios. Running periodic scans as a maintenance check is reasonable.

But building your entire accessibility workflow around scan results is a different matter. Scans cannot determine WCAG conformance. They cannot replace the depth of a (manual) evaluation. And a platform that presents scan data as a complete picture of your accessibility posture is misleading, whether it intends to be or not.

Can a spreadsheet really replace accessibility software?

For tracking and managing issues from an audit, yes. A spreadsheet with complete audit data gives you more accurate information than a scan-based platform. Where a spreadsheet falls short is in automation: progress dashboards, AI remediation assistance, and team notifications. If you need those features, look for a platform that ingests audit data rather than scan data.

What should I look for in an accessibility audit report?

A good audit report documents each issue individually with the WCAG criterion it violates, the exact location, a description of the issue, a severity rating, and a remediation recommendation.

Do scan-based platforms help with ADA compliance?

They help with a narrow slice of it. Scans flag approximately 25% of accessibility issues, so a scan-based platform gives you partial visibility. ADA compliance, particularly for organizations preparing for Section 508 procurement or Title II requirements, depends on WCAG conformance. Only a (manual) audit can determine conformance.

The tool doesn’t matter if the data is wrong. Start with an audit, get your issues documented, and track them in whatever format works for your team. A free spreadsheet loaded with real findings will always outperform an expensive platform running on incomplete scan results.

Contact Kris Rivenburgh to discuss your accessibility project.