B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
9%
9% -- search referral decline for e-commerce companies (2026)
E-commerce companies have experienced a 9% decline in search referrals/traffic due to AI impact.
Attribution:
View source
Lighthouse Research Team
Last verified:
·
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Source verified
Evidence graded
Value
9%
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
Ken McCarthy
Primary
Tier C
https://amzeal.com/doc/on-the-30th-anniversary-of-the-netscape-ipo-the-amzeal-10606100 ↗
Source Article
Amzeal News - On the 30th anniversary of the Netscape IPO the inventor of the banner ad warns: "Trouble ahead."
Original Research
Ken McCarthy
· Original study ↗
Methodology
Unsourced industry decline figures in book promotion
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
e-commerce companies: 9% search referral decline. Source: Ken McCarthy (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/ecommerce-search-decline
HTML Embed
<blockquote cite="https://lighthousedata.io/data/ecommerce-search-decline" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>9%</strong> -- search referral decline for e-commerce companies<br><small>Source: Ken McCarthy (2026) · <a href="https://lighthousedata.io/data/ecommerce-search-decline" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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