B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Recent
52%
52% -- sites impacted by core update for e-commerce sites (2025-12)
The Google December 2025 Core Update impacted 52% of e-commerce sites.
Attribution:
View source
Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
52%
Unit
Percentage
Data Vintage
2025-12
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
75
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
SEO history overview (unnamed)
Primary
Tier B
https://intentrank.io/blog/seo-bot-software ↗
Source Article
SEO Bot Software: Legitimate Automation vs. Risky Tools | IntentRank Blog
SEO Bot Software: Legitimate Automation vs. Risky Tools
The most common advice about SEO bots is also the least useful: “avoid them.” That lumps harmless automation, smart workflow tools, and outright spam scripts into one bucket. For a marketing manager, that’s like calling Google Search Console an…
Original Research
SEO history overview (unnamed)
· Original study ↗
Methodology
Cited SEO history overview; impact of Google December 2025 Core Update
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
e-commerce sites: 52% sites impacted by core update. Source: SEO history overview (unnamed) (2025-12). Via Lighthouse Intelligence -- https://lighthousedata.io/data/dec-2025-core-update-ecommerce-impact
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<blockquote cite="https://lighthousedata.io/data/dec-2025-core-update-ecommerce-impact" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>52%</strong> -- sites impacted by core update for e-commerce sites<br><small>Source: SEO history overview (unnamed) (2025-12) · <a href="https://lighthousedata.io/data/dec-2025-core-update-ecommerce-impact" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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