adasafe scanner bot

Information for site owners about the automated accessibility scanner that may visit your site.

What is it?

adasafe-scanner is an automated accessibility scanner operated by adasafe.ai. It visits public web pages on behalf of our customers and analyses them for WCAG 2.2 accessibility issues — the technical standard underlying ADA, EAA, and Section 508 compliance.

How to identify it

The scanner sends this exact User-Agent header on every request:

adasafe-scanner/1.0 (+https://adasafe.ai/bot)

The trailing URL in parentheses links back to this page. If you see this User-Agent in your access logs, that’s us.

What it does

  • Loads a single public URL per scan in a headless Chromium browser.
  • Runs the open-source axe-core ruleset against the rendered page.
  • Stores only violation metadata (rule ID, impact level, CSS selector, short description) — never page contents, screenshots, or personal data.
  • Does not crawl beyond the submitted URL.
  • Does not submit forms, click buttons, or interact with the page.
  • Honours robots.txt guidance for the requested URL.

How to whitelist it

If your site uses bot protection (Cloudflare, AWS WAF, Imperva, etc.) the scan may be blocked before the page loads. To allow our scanner:

  • By User-Agent: match adasafe-scanner in the User-Agent header and add an allow rule.
  • Cloudflare:Security → WAF → Custom rules → create a rule with (http.user_agent contains "adasafe-scanner") action Skip.
  • robots.txt: no special entries are required — we obey standard directives. To explicitly allow: User-agent: adasafe-scanner followed by Allow: /.

Each scan makes a single page-load request. We do not flood sites with traffic.

Contact

Questions, abuse reports, or whitelist requests: privacy@adasafe.ai.

If you would like the scanner to never visit your site, email the address above with the domain and we will add it to our block list within one business day.