slack.com Accessibility Report

Accessibility audit of slack.com — scanned on Feb 20, 2026

Technology

0 /100

B Good

2 issues found across 2 categories

1 Critical 1 Major

WCAG Compliance Overview

Perceivable 1 issues

Operable 0 issues

Understandable 0 issues

Robust 1 issues

Critical

Video content must have captions for deaf and hard-of-hearing users.

WCAG 1.2.2

30 element(s) affected

How to fix

Add closed captions or subtitles to all video content.

Major

Element IDs must be unique to ensure correct assistive technology behavior.

WCAG 4.1.1

7 element(s) affected

How to fix

Make each id attribute value unique within the page.

Here are the most impactful changes slack.com should make to improve accessibility:

#1
Videos missing captions Critical
Add closed captions or subtitles to all video content.
#2
Duplicate element IDs Major
Make each id attribute value unique within the page.

Is slack.com accessible?

slack.com scored 77/100 (grade B) on our accessibility audit. This score reflects automated checks against WCAG 2.1 Level AA criteria.

Is slack.com WCAG compliant?

Our scan found 2 accessibility issues on slack.com. Full WCAG compliance requires addressing all critical and major issues identified above.

Is slack.com EAA compliant?

The European Accessibility Act requires websites to meet WCAG 2.1 AA standards. Check the detailed report above to see slack.com's compliance status.

What accessibility issues does slack.com have?

See the full issue list above with severity levels, affected elements, and recommended fixes for slack.com.

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