B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
95%
95% -- seo link equity passed for 301 redirects (URL shorteners) (2026)
301 permanent redirects pass approximately 95% of SEO link equity to the destination URL according to Google's public statements.
- Approximation (~95%)
- Based on Google public statements cited in the article
Attribution:
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Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
95%
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
45
Freshness
95
Source
Google
Primary
Tier C
https://u2l.ai/blog/what-is-url-shortening ↗
Source Article
What is URL Shortening? How URL Shorteners Actually Work (2026) | U2L AI Blog
What is URL Shortening? How URL Shorteners Actually Work (2026)
URL shortening explained: what it is, how shorteners actually work under the hood, the history from TinyURL to now, 301 vs 302 redirects, and why it matters in 2026.
You paste a giant 200-character URL into a Twitter post, hit a charact…
Original Research
Google
· Original study ↗
Methodology
Vendor blog citing Google's public statements on 301 redirect link equity
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
301 redirects (URL shorteners): 95% seo link equity passed. Source: Google (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/301-redirect-link-equity-95pct
HTML Embed
<blockquote cite="https://lighthousedata.io/data/301-redirect-link-equity-95pct" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>95%</strong> -- seo link equity passed for 301 redirects (URL shorteners)<br><small>Source: Google (2026) · <a href="https://lighthousedata.io/data/301-redirect-link-equity-95pct" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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