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Sa11y, the accessibility quality assurance assistant | Accessibility Checker

by Adam Chaboryk · Uncategorized

Geared towards content authors, Sa11y straightforwardly identifies accessibility issues at the source.

⚠ Few reviews
How scoring works →
83 Health · B
Maintenance 100/100
Rating quality 74/100
Support 70/100

83 health vs 69 average across 3,087 Uncategorized plugins

Daily downloads

Since 2022-10-05 · 1,380 days · wp.org + Plugin Pulse archive

-42% vs prior 30d
Oct 22
Jul 26

30-day downloads

Rolling 30-day volume · peaks are release surges

346

now · peak 1.1K

Directory rank vs rivals

wp.org popularity rank over time · higher is better · when a rival's line climbs above yours, they've overtaken you

Sa11y, the accessibi · #10548 Web Accessibility To · #9142 Web Accessibility (f · #118 Accessibility by Use · #516

Downloads per 1k installs · 30d

Engagement proxy · release spikes are signal, a long slide is an aging base

Estimated active installs

wp.org reports only “300+”. The real number sits in this band.

tracked estimate
300–400 ≈390

Refined from the date this plugin crossed into its current band.

Install history · since 2022-10-04 · 1,382 observations

Details

Version
1.2.8
Last updated
2mo ago
Added
2022-04-13 · 4 yrs on WP
Requires WP
5.6
Tested up to
7.0.1
Requires PHP
7.2

Growth timeline

Install-band crossings we have observed, and how long each band took to outgrow

  1. 2025-07-09 200+ → 300+ up after 3 days in band
  2. 2025-07-06 300+ → 200+ down after 5 days in band
  3. 2025-07-01 200+ → 300+ up after 12 days in band
  4. 2025-06-19 300+ → 200+ down after 5 days in band
  5. 2025-06-14 200+ → 300+ up after 7 days in band
  6. 2025-06-07 300+ → 200+ down after 1 days in band
  7. 2025-06-06 200+ → 300+ up after 203 days in band
  8. 2024-11-15 100+ → 200+ up after 3 days in band

Competes with

The plugins that solve the same job, ranked by shared tags then reach — closest match first

Compare head to head →

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Sa11y, the accessibility quality assurance assistant | Accessibility Checker: 300+ active installs, 5.0★ (1 reviews). Plugin Pulse (WP Mayor), as of 2026-07-16. https://plugins.wpmayor.com/plugin/sa11y