LinkedIn states the following on their accessability website:
As a Microsoft company, we've embraced digital inclusion, adopting the W3C (World Wide Web Consortium) WCAG (Web Content Accessibility Guidelines) V2.0 Level AA in the design and development of our products.
Our teams are constantly working to improve the LinkedIn experience by adding new features and making changes to better serve all our members. We’re always open to feedback and would love to hear from you as to how we can make LinkedIn even better.
If you find an accessibility bug or have trouble using LinkedIn with assistive technology, contact us and we’ll reach out to help you through it.
LinkedIn's full statment can be reviewed here.