B
Evidence Grade B
Graded
under review
Safe to Cite
Current
12%
12% -- organic search traffic growth rate for websites that became accessible and compliant (2026)
Attribution:
View source
Lighthouse Research Team
Last verified:
·
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Source verified
Evidence graded
Value
12%
Unit
Percentage
Data Vintage
2026
Entity
Sample Size
847
Evidence Quality
B
Strong, reliable evidence
Sourced from a well-regarded research firm or industry leader with transparent methodology and a reasonably large sample.
Single source - not yet corroborated
Score breakdown
Extraction
75
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
AccessibilityChecker.org
Primary
Tier B
https://accessibilitychecker.org/study-web-accessibility-seo ↗
Source Article
Study Reveals Positive Impact of Web Accessibility on SEO
AccessibilityChecker.org, a leading web accessibility knowledge center, has published the results of a study that explores the relationship between web accessibility and search engine optimization (SEO). The study, titled “Does Web Accessibility Have a Positive Impact on SEO? A Data-Driven Study,” u…
Original Research
AccessibilityChecker.org
· Original study ↗
Methodology
The study analyzed the data of 847 websites before and after they became accessible and compliant.
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
websites that became accessible and compliant: 12% organic search traffic growth rate. Source: AccessibilityChecker.org (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/web-accessibility-seo-study-2026
HTML Embed
<blockquote cite="https://lighthousedata.io/data/web-accessibility-seo-study-2026" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>12%</strong> -- organic search traffic growth rate for websites that became accessible and compliant<br><small>Source: AccessibilityChecker.org (2026) · <a href="https://lighthousedata.io/data/web-accessibility-seo-study-2026" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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