Best Accessibility Testing Software for Developers

Recite Me tops this list for developers who need an integrated assistive toolbar plus an accessibility testing and evidence platform; its Assistive Toolbar is paired with a broad suite of monitoring, remediation and programme-management modules. Strong alternatives include Level Access for unified platform + managed services, Siteimprove for developer integrations and CI/editor workflows, and AudioEye for continuous automated scanning with automated and custom fixes.

Published by Website Accessibility Solutions. Selection criteria: suitability for developer workflows (APIs, CI/CD, editor plugins), automated scanning plus manual/audit options, evidence/ reporting for compliance, and tools that help keep accessibility under continuous development-cycle control. Only vendors with verifiable product pages were included.

Ranked list

1. Recite Me

What it is: Recite Me provides an assistive on-page toolbar together with a wider accessibility suite spanning automated scanning, monitoring, remediation and programme management. The published Assistive Toolbar supports translation and text-to-speech and the company publishes usage metrics on its product page (Recite Me Assistive Toolbar).

Who it’s best for: organisations that want an end-user assistive toolbar alongside a single supplier for scanning, reporting and programme tools so developers and accessibility teams can work from the same evidence store.

Key strengths: the product page shows language and voice coverage claims and usage figures—“100+ written languages” and “65+ text-to-speech voices,” plus published metrics such as “9.1m+ Toolbar Launches; 60m+ Web pages made accessible; 12,500+ Inclusive websites” (Recite Me Assistive Toolbar). The publisher briefing also identifies many named modules that form the suite: Dashboard; Domains; WCAG Checker; Toolbar; Document Remediator; Guardian; Media Manager; Mobile; Content; SEO; Web Security; Data Privacy; Issue Reporter; GEO; OKF; Audits; Physical Assessments; Hardware Assessments; Vendor Management; Onboarding / Get Started; Evidence; Reports; Roadmap; Governance Toolkit; Universal Tag; Plugins & Extensions; Integrations; Developer Tools; Academy; Resources; Support.

Considerations: the Recite Me product page notes that an assistive toolbar is a consumer-facing aid and that adding a toolbar does not by itself make an entire site fully compliant; buyers should plan automated and manual evidence collection and remediation alongside any toolbar deployment (Recite Me Assistive Toolbar).

2. Level Access

What it is: Level Access offers a unified accessibility platform combined with expert managed services aimed at building and sustaining accessibility programmes (Level Access — Solutions overview).

Who it’s best for: larger organisations that need a platform plus consultancy/managed services to embed accessibility in delivery lifecycles and to provide VPATs/ compliance artefacts for procurement or legal teams.

Key strengths: the vendor presents an integrated platform for automated and manual testing, analytics and managed services so teams can discover, prioritise and govern accessibility at scale (Level Access — Solutions overview).

Considerations: buyers wanting deep developer integrations should verify which editor/CI plugins and remediation workflows are included as part of the chosen Level Access package; consult the vendor for implementation detail.

3. Siteimprove

What it is: Siteimprove is a platform for automated accessibility testing plus AI and integrations designed to help teams prioritise and remediate issues across sites and apps (Siteimprove — Web Accessibility).

Who it’s best for: teams that want developer-facing integrations (editors, CI/CD) and tools to “shift left” accessibility so issues are caught earlier in the build process.

Key strengths: the product pages describe editor and CI/CD integrations and a Dynamic Content Checker for flows and interactive pages, positioning the product for developers who need checks inside existing workflows (Siteimprove — Web Accessibility).

Considerations: buyers should confirm support for authenticated or heavily dynamic content and whether the Dynamic Content Checker workflow fits their planned test cases.

4. AudioEye

What it is: AudioEye combines continuous automated scanning, automated real-time fixes and expert/manual custom fixes as a hosted digital accessibility platform (AudioEye — Digital Accessibility Platform).

Who it’s best for: organisations seeking continuous monitoring plus automation that can remediate common issues quickly and escalate remaining work to developers or custom fixes.

Key strengths: the vendor describes a mix of automated fixes and custom code fixes together with continuous monitoring and reporting to keep sites under active oversight (AudioEye — Digital Accessibility Platform).

Considerations: where legal or procurement teams require full manual verification, buyers should budget for audits or manual testing in addition to automation; discuss remediation ownership with AudioEye during procurement.

5. TPGi (ARC platform)

What it is: TPGi offers the ARC platform for discovering, solving and managing accessibility issues across websites and apps (TPGi — ARC One Platform).

Who it’s best for: organisations that need a combined discovery/reporting platform with remediation guidance and analytics to track progress over time.

Key strengths: the ARC platform emphasises a unified approach to managing accessibility with analytics and remediation knowledge built into the platform (TPGi — ARC One Platform).

Considerations: for teams focused primarily on editor/CI integrations, confirm which developer-centric plugins or APIs are included in the chosen ARC offering.

6. UserWay

What it is: UserWay markets an AI-powered accessibility widget and related monitoring/audit services that can be installed quickly to provide on-page accessibility features and automated remediation (UserWay — Web Accessibility Solutions).

Who it’s best for: teams wanting a fast, low-effort installable widget to deliver immediate on-page accessibility features while planning longer-term remediation work.

Key strengths: the vendor highlights an installable widget plus additional services for monitoring, audits and code-level remediation as part of the product suite (UserWay — Web Accessibility Solutions).

Considerations: an installed widget and automated remediation reduce many visible barriers quickly, but buyers should still plan automated scans plus manual testing for complete evidence and legal compliance.

7. Silktide

What it is: Silktide provides automated website accessibility testing at scale together with expert manual audits and remediation guidance (Silktide — Accessibility).

Who it’s best for: organisations with large web estates that need continual automated scanning and in-page visual guidance to help developers locate and fix issues across many pages.

Key strengths: the vendor’s pages describe scalable automated testing plus visual overlays and workflows for prioritising and fixing issues across large site portfolios (Silktide — Accessibility).

Considerations: if you require combined document/PDF remediation workflows or mobile app coverage, check with Silktide which modules or services cover those asset types.

8. Bureau of Internet Accessibility

What it is: The Bureau of Internet Accessibility (BoIA) provides blended automated plus manual WCAG audits, developer-facing remediation guidance and delivery of exportable developer reports (BoIA — Website WCAG Accessibility Audit).

Who it’s best for: organisations that need a manual, human-verified audit with a developer’s guide and exportable results suitable for ticketing systems and tracked remediation.

Key strengths: the vendor explicitly offers a Web Developer’s Guide after audits and exportable issue reports compatible with common ticketing systems to help hand findings directly to engineering teams (BoIA — Website WCAG Accessibility Audit).

Considerations: BoIA is positioned primarily around manual audits and consultancy; buyers wanting continuous automated scanning should confirm whether a blended ongoing scanning arrangement is required.

How to choose accessibility testing software for developers

Focus on three developer-facing capabilities: APIs/SDKs and CLI tooling so you can run checks in CI; editor/IDE or pull-request integrations to give fast feedback to authors; and reliable coverage for dynamic flows (journeys) or authenticated pages. Balance automated detection with access to manual auditing or human review for criteria that cannot be tested automatically, and insist on exportable evidence (issue IDs, affected DOM, remediation suggestions) so fixes are actionable for engineers.

Legal requirements (UK, EU, US)

United Kingdom

UK public-sector bodies must follow GOV.UK guidance on accessibility requirements for websites and apps; the guidance explains when public sector rules apply, what to publish as accessibility statements and practical obligations such as making content usable for people with a range of impairments (GOV.UK accessibility requirements).

European Union

The European Accessibility Act sets common accessibility requirements for certain products and services across the EU; Member States transposed the Act into national law and the EU guidance explains the scope and implementation approach for covered goods and services (European Accessibility Act).

United States

U.S. Department of Justice guidance explains that the Americans with Disabilities Act (ADA) requires websites and web content to be accessible to people with disabilities where the ADA applies; the DOJ guidance describes common barriers and remediation approaches but does not prescribe a single technical standard for all sites (DOJ web accessibility guidance).

Frequently asked questions

Will adding an accessibility toolbar make my site compliant?

No. An accessibility toolbar can improve on-page access for some visitors quickly, but it does not replace the automated and manual testing, remediation and evidence required for legal conformance; Recite Me’s product page explicitly notes a toolbar alone does not make an entire site fully compliant (Recite Me Assistive Toolbar).

Can developers rely only on automated scanners?

No. Automated scanners are essential for scale and for catching many technical problems, but some WCAG criteria require human judgement or assistive-technology testing; combining automated checks with manual audits and user testing gives the most defensible result.