B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
3%
3% -- browser user share for Firefox (2026)
Firefox is used by roughly 3% of global web users.
- Reported as an approximate figure ('roughly 3 percent')
Attribution:
View source
Lighthouse Research Team
Last verified:
·
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Source verified
Evidence graded
Value
3%
Unit
Percentage
Data Vintage
2026
Entity
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
50
Source Trust
60
Citation Chain
20
Independence
30
Methodology
35
Freshness
95
Source
buildfastwithai.com
Primary
Tier C
https://www.buildfastwithai.com/blogs/ai-news-today-may-30-2026 ↗
Source Article
AI News Today - May 30, 2026: 11 Biggest Stories
AI News Today - May 30, 2026: 10,000 Vulnerabilities, Two New Anthropic Offices, and Three Days to Build
The biggest AI security story of the year arrived on May 22 and the industry is still processing it. Project Glasswing, Anthropic's defensive cybersecurity initiative using the unreleased Claude …
Original Research
buildfastwithai.com
· Original study ↗
Methodology
Approximate share cited in news roundup; original measurement not stated
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Firefox: 3% browser user share. Source: buildfastwithai.com (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/firefox-global-web-user-share
HTML Embed
<blockquote cite="https://lighthousedata.io/data/firefox-global-web-user-share" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>3%</strong> -- browser user share for Firefox<br><small>Source: buildfastwithai.com (2026) · <a href="https://lighthousedata.io/data/firefox-global-web-user-share" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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