The witness log

Notes on overlay risk and the evidence

How accessibility overlays interact with ADA/WCAG claims, how to read a before/after diff, and what the witness actually captures.

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Jun 26, 2026

Why accessibility overlays don't stop ADA lawsuits

Overlay vendors promise a one-line script will make a site compliant. The demand letters keep arriving anyway. Here is the gap between the marketing claim and what an automated check actually sees.

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Compliance Desk6 minADA Risk
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Jul 2, 2026

Website Accessibility Scores and Google Lighthouse: What a 0–100 Number Can Show — and What It Still Can't Prove

A Google Lighthouse accessibility score can summarize automated findings, but it is not a WCAG verdict or dated page-level evidence from a live route. Here is what the number can show, what it can hide, and where proof begins.

OverlayRiskWitness Team7 minGuides
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Jun 30, 2026

Accessibility guarantee vs independent evidence: what site owners should keep

A vendor guarantee, badge, or accessibility statement is not the same thing as independent evidence. Here is the practical record a site owner should keep when an overlay is part of the stack.

OverlayRiskWitness Team7 minADA Risk
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Jun 29, 2026

accessiBe vs a manual audit: what each actually proves for ADA compliance

Is accessiBe enough for ADA compliance? The honest answer depends on what "enough" means to a plaintiff, a judge, or your own risk tolerance. Here is what each approach actually proves — and what it cannot.

Compliance Desk8 minADA Risk
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Jun 28, 2026

What to Do When You Get an ADA Website Accessibility Demand Letter

An ADA website accessibility demand letter lands in your inbox. Before you respond, you need evidence — not assurances from your overlay vendor. Here is what to do, in order.

Compliance Desk8 minGuides
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Jun 27, 2026

A WCAG 2.2 AA checklist for sites running an accessibility overlay

A practical WCAG 2.2 AA checklist accessibility overlay operators can use: understand what automated axe-core testing covers, which criteria require manual review, and where overlays reliably fall short.

OverlayRiskWitness Team9 minGuides
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Jun 25, 2026

Does the UserWay widget actually make your site WCAG compliant?

Does UserWay make a site WCAG compliant? We break down exactly what the widget can and cannot change at runtime — and how a two-pass axe-core test shows you where the gap is.

OverlayRiskWitness Team8 minADA Risk
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Jun 24, 2026

Reading an axe-core before/after diff

A witness run produces two axe-core result sets — overlay off and overlay on — and a per-rule diff between them. Here is how to read that diff and what each transition tells you.

OverlayRiskWitness Team7 minEngineering
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Jun 23, 2026

How Accessibility Overlays Conflict With Screen Readers

Accessibility overlay screen reader conflicts are real and measurable at the DOM level. This post explains what overlays inject, where ARIA collisions occur, and what automated tooling can and cannot tell you.

OverlayRiskWitness Team8 minEngineering
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Jun 22, 2026

What a Risk Packet contains

The free witness shows one finding. The $49 Risk Packet is the full evidence file for 5–10 high-risk pages. Here is exactly what is inside and why each piece is there.

OverlayRiskWitness Team5 minProduct
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Jun 21, 2026

How to document website accessibility evidence that holds up

Learn how to document website accessibility evidence that survives a legal challenge or procurement audit — reproducible test runs, timestamps, snapshot hashes, and claims quoted back against observations.

OverlayRiskWitness Team8 minGuides
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Jun 20, 2026

Drift monitoring: why a passing scan today can fail next month

Accessibility is not a one-time state. Overlays update, pages get redeployed, and a rule that held up in June can fail in July. Drift Monitor re-runs the witness on a schedule and tells you when something moves.

OverlayRiskWitness Team5 minDrift Monitor
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Jun 19, 2026

Writing an accessibility statement when you use an overlay

Accessibility statement best practices change when a third-party overlay is in the picture. An overly broad claim can create more legal exposure than no statement at all — here is how to write one that holds up.

Compliance Desk8 minProduct
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Jun 18, 2026

Running OverlayRiskWitness from the MCP server

OverlayRiskWitness ships as a Model Context Protocol server, so an AI agent can run a witness, read findings, and trigger a packet without leaving its toolchain. Here is the setup.

OverlayRiskWitness Team6 minMCP
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Jun 17, 2026

ADA Compliance for Ecommerce Checkout: What Overlays Miss and How to Gather Evidence

ADA compliance for ecommerce checkout flows matters most where money changes hands. This guide covers keyboard access, form labels, focus order, and how to collect timestamped before/after evidence your overlay may be missing.

OverlayRiskWitness Team8 minGuides
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Jun 15, 2026

White-label accessibility monitoring for agencies: a recurring revenue model built on evidence

White-label accessibility monitoring for agencies turns a one-time compliance audit into a subscription offering — with timestamped, vendor-independent evidence your clients can actually act on.

OverlayRiskWitness Team8 minAgencies
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Jun 12, 2026

Using AI agents to test website accessibility over MCP

AI agent website accessibility testing is now a single tool call away. Here is how OverlayRiskWitness exposes its two-pass axe-core witness over the Model Context Protocol — and what a real tool response looks like.

OverlayRiskWitness Team8 minMCP