B
Evidence Grade B
Graded
under review
Safe to Cite
Current
12%
12% -- organic traffic loss for Product pages (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
Evidence Quality
B
Strong, reliable evidence
Sourced from a well-regarded research firm or industry leader with transparent methodology and a reasonably large sample.
Score breakdown
Extraction
50
Source Trust
50
Citation Chain
60
Independence
30
Methodology
30
Freshness
95
Sources (5)
SearchPilot
Primary
Tier C
https://www.searchpilot.com/resources/case-studies/seo-split-test-lessons-fixing-breadcrumb-markup-e… ↗
Source Article
SEO test: How important is breadcrumb markup for SEO?
Start here: how our SEO split tests work
If you aren't familiar with the fundamentals of how we run controlled SEO experiments that form the basis of all our case studies, then you might find it useful to start by reading the explanation at the end of this article before digesting the details of the…
Also cited by
niemanlab.org
https://www.niemanlab.org/
2026-08-18
forbes.com
https://www.forbes.com/
2026-08-18
amraandelma.com
https://www.amraandelma.com/
2026-08-18
insight.kellogg.northwestern.edu
https://insight.kellogg.northwestern.edu/
2026-08-18
Original Research
SearchPilot
· Original study ↗
Segmentation
Industrymarketing
Cite this stat
Plain Text
Product pages: 12% organic traffic loss. Source: SearchPilot (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/seo-breadcrumb-impact-product-pages
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<blockquote cite="https://lighthousedata.io/data/seo-breadcrumb-impact-product-pages" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>12%</strong> -- organic traffic loss for Product pages<br><small>Source: SearchPilot (2026) · <a href="https://lighthousedata.io/data/seo-breadcrumb-impact-product-pages" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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