axe-core
Automated accessibility testing integrated into development workflows
- Also known as
- axe-core
Available worldwide
What is axe-core?
An open-source testing library that automatically identifies accessibility problems in web interfaces by evaluating them against WCAG standards at multiple levels, designed to integrate with existing testing frameworks.
axe-core pricing
We don't have axe-core's full plan breakdown yet (its pricing page resisted automated reading). Here's what we could confirm. Always check live pricing for exact numbers.
What axe-core does
The capabilities that matter for accessibility testing, normalised so it lines up with every alternative. “-” means we haven't confirmed it, not that it's missing.
- Scan method
- Automated rules engine
- Wcag level
- AAA
- Ci cd integration
- ✓
- Browser extension
- -
- Design stage plugin
- -
- CMS plugins
- -
- Continuous monitoring
- -
- Vpat acr generation
- -
- Manual audit service
- -
- Overlay widget
- -
- Document PDF testing
- -
- Open source
- ✓
Platform & deployment
Independently observed- Web
- Self-hosted
Integrations (7)
Independently observed- VS Code (axe-linter extension)
- npm/pnpm (package manager)
- GitHub Actions
- Puppeteer
- Selenium
- Jest
- Testing frameworks
Security & compliance
Known vulnerabilities: 0 (0 in the last 12 months) sourcea count reflects scale & disclosure, not quality
axe-core FAQ
Common questions about axe-core, answered from independent, dated evidence.
What is axe-core?
An open-source JavaScript testing framework that analyzes websites and HTML-based interfaces to identify accessibility violations and compliance issues. It integrates into existing test environments and returns detailed violation reports in JSON format. It is indexed under Accessibility Testing.
Source: https://github.com/pricing
Is axe-core free to use?
axe-core is open source, so it can be self-hosted and used at no licence cost. It is released under the MPL-2.0 licence. Pricing changes often, so verify at source before relying on it.
Source: https://github.com/pricing
What platforms does axe-core support?
axe-core supports the web and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.
Source: https://github.com/pricing
Can axe-core be self-hosted?
Yes. axe-core can be deployed cloud / SaaS and self-hosted, so it does not have to run on the vendor's infrastructure.
Source: https://github.com/pricing
What does axe-core integrate with?
We have confirmed 7 integrations for axe-core, including VS Code (axe-linter extension), npm/pnpm (package manager), GitHub Actions, Puppeteer, Selenium, Jest and Testing frameworks. This is what we could verify from public sources, so the vendor may support others we have not indexed.
Source: https://github.com/pricing
Is axe-core open source?
Yes. axe-core is published under the MPL-2.0 licence, a permissive licence that generally allows commercial use and modification. Licence terms can change between releases, so verify against the repository for the version you intend to use.
axe-core alternatives
Other accessibility testing we track, ranked by the same independent score.
- accessiBeAutomated and expert-driven web accessibility compliance platformmedium · 57%
- StarkAccessibility testing platform combining automated scanning and design-stage collaboration toolsmedium · 54%
- IBM Equal Access Accessibility CheckerAutomated accessibility testing tools integrated into web browsers and development workflowslow · 30%
- Level AccessAn AI-powered platform for testing, monitoring, and managing digital accessibility across web, mobile, and software applications.low · 25%
- UserWayWeb accessibility compliance platform with automated remediation and continuous monitoringmedium · 56%
- EvincedAutomated accessibility problem detection using artificial intelligencelow · 3%
Compare axe-core
Side by side against other accessibility testing, attribute by attribute, with a source on every value.
The vioscaleAI score: one lens on the evidence
Not user reviews and not a paid placement: a confidence-weighted blend of the independent signals below (adoption, activity, security posture, and more), which you can sort and re-weight yourself. Vendors can correct their listing but can never move their rank, and stars are weighted low as a vanity metric. It is one way to read the evidence for axe-core, not the verdict.
| Signal | Score | Weight | Contribution | Evidence |
|---|---|---|---|---|
| Dependent projects | 100 | 0.08 | 8.0 | ✓ |
| Development activity | 57 | 0.12 | 6.8 | ✓ |
| Release cadence | 72 | 0.07 | 4.8 | ✓ |
| Capabilities | 46 | 0.08 | 3.8 | ✓ |
| Security score | 66 | 0.05 | 3.5 | ✓ |
| Stars | 73 | 0.03 | 2.4 | ✓ |
| Integrations | 26 | 0.05 | 1.4 | ✓ |
| Security posture | 0 | 0.09 | 0.0 | - |
| Package downloads | 0 | 0.17 | 0.0 | - |
| Developer Q&A activity | 0 | 0.08 | 0.0 | - |
Computed . Re-weight it by intent, or see the full method.
All data & sourcesshow ↓
Every value we hold, with its source, retrieval date, and confidence. This is the evidence behind the score: don't trust it, verify it.
Activity
| Attribute | Value | Evidence |
|---|---|---|
| Commits last 30d | 64 | mediumsource · 2026-10-14 · 65% |
Adoption
Content
| Attribute | Value | Evidence |
|---|---|---|
| Faq | 6 items | mediumsource · 2026-09-10 · 66% |
Features
| Attribute | Value | Evidence |
|---|---|---|
| Capabilities | Wcag level: AAA · Open source: Yes · Scan method: automated-rules-engine · Ci cd integration: Yes | mediumsource · 2026-10-14 · 60% |
Integrations
| Attribute | Value | Evidence |
|---|---|---|
| Count | 7 | mediumsource · 2026-08-17 · 60% |
Language
| Attribute | Value | Evidence |
|---|---|---|
| Primary | HTML | highsource · 2026-10-14 · 90% |
License
| Attribute | Value | Evidence |
|---|---|---|
| Spdx | MPL-2.0 | highsource · 2026-10-14 · 95% |
Market
| Attribute | Value | Evidence |
|---|---|---|
| Availability | PrimaryMarkets: … · AvailabilityScope: global · AvailableCountries: … · NotAvailableCountries: … | highsource · 2026-08-17 · 75% |
Pricing
Release
Security
| Attribute | Value | Evidence |
|---|---|---|
| Scorecard | 6.6 | highsource · 2026-10-14 · 90% |
| Vulnerabilities | Count: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=axe-core&per_page=100 · Last 12m: 0 | highsource · 2026-10-14 · 90% |
| Trust center | https://github.com/security | mediumsource · 2026-10-14 · 60% |
Is axe-core the right choice for you?
Tell us the job, the constraints and what you weigh most, and we will rank axe-core against the rest of the accessibility testing we index, using the same dated evidence weighted your way.
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