Accessibility audit of nasa.gov — scanned on Feb 20, 2026
Government5 issues found across 2 categories
Links must have discernible text so screen reader users understand their purpose.
WCAG 2.4.4<a href="https://www.nasa.gov/wp-content/uploads/2026/02/jsc2026e007422orig.jpg">Add text content, aria-label, or aria-labelledby to links. Avoid empty <a> tags.
Buttons must have discernible text for screen reader users.
WCAG 4.1.2<button><button><button>Add text content, aria-label, or title to all <button> elements.
Iframes must have title attributes describing their content.
WCAG 2.4.1<iframe src="https://www.googletagmanager.com/ns.html?id=GTM-NLJ258M">Add descriptive title attributes to all <iframe> elements.
Element IDs must be unique to ensure correct assistive technology behavior.
WCAG 4.1.1id=""Make each id attribute value unique within the page.
Pages should have a mechanism to bypass repeated navigation blocks.
WCAG 2.4.1No skip navigation link foundAdd a 'Skip to main content' link as the first focusable element on the page.
Here are the most impactful changes nasa.gov should make to improve accessibility:
Add text content, aria-label, or title to all <button> elements.
Add text content, aria-label, or aria-labelledby to links. Avoid empty <a> tags.
Make each id attribute value unique within the page.
nasa.gov scored 46/100 (grade D) on our accessibility audit. This score reflects automated checks against WCAG 2.1 Level AA criteria.
Our scan found 5 accessibility issues on nasa.gov. Full WCAG compliance requires addressing all critical and major issues identified above.
The European Accessibility Act requires websites to meet WCAG 2.1 AA standards. Check the detailed report above to see nasa.gov's compliance status.
See the full issue list above with severity levels, affected elements, and recommended fixes for nasa.gov.
Get a free accessibility report for your website in seconds.