B
Evidence Grade B
Graded
under review
Safe to Cite
Current
94%
94% -- share of published content with zero external links for published blog content (2026)
Attribution:
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Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
94%
Unit
Percentage
Data Vintage
2026
Entity
Sample Size
1,000,000,000
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
Backlinko (Brian Dean) with BuzzSumo
Primary
Tier B
https://seo-trench.com/checklist-first-page-google ↗
Source Article
Complete SEO Checklist To Rank First Page Google In 2026
TOP recommendations for 2027!
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On-Page SEO is extremely important. It helps with building relevant content that your audience wants. Did you know that a HUGE factor in rankings comes from Off-Page SEO? We can go on for days, weeks, and years talking about all the Off-Page SEO…
Original Research
Backlinko (Brian Dean) with BuzzSumo
· Original study ↗
Methodology
Study analyzing almost 1 billion blog posts by Brian Dean with BuzzSumo
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
published blog content: 94% share of published content with zero external links. Source: Backlinko (Brian Dean) with BuzzSumo (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/content-zero-external-links-backlinko-buzzsumo
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<blockquote cite="https://lighthousedata.io/data/content-zero-external-links-backlinko-buzzsumo" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>94%</strong> -- share of published content with zero external links for published blog content<br><small>Source: Backlinko (Brian Dean) with BuzzSumo (2026) · <a href="https://lighthousedata.io/data/content-zero-external-links-backlinko-buzzsumo" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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