B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
22%
22% -- average visibility gain for sites producing original content (2026-03)
Sites producing original content experienced an average visibility gain of around 22% following the Google March 2026 core update.
- Unattributed research cited
- Approximate figure ('around 22%')
Attribution:
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Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
22%
Unit
Percentage
Data Vintage
2026-03
Entity
Geography
UK
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
mapletree.studio
Primary
Tier C
https://mapletree.studio/blog/google-march-2026-core-update-uk-small-business-guide/ ↗
Source Article
Google's March 2026 Core Update: Your UK Checklist
If you’ve noticed your website traffic shifting over the past few weeks, you’re not imagining things. The Google March 2026 core update is already changing how millions of websites appear in search results.
For UK small businesses, tradespeople, and local service providers, understanding this Google…
Original Research
mapletree.studio
· Original study ↗
Methodology
Unattributed research cited
Methodology documented
Segmentation
IndustryMedia
RegionUK
RoleAll marketers
Channelcontent
Cite this stat
Plain Text
sites producing original content: 22% average visibility gain. Source: mapletree.studio (2026-03). Via Lighthouse Intelligence -- https://lighthousedata.io/data/original-content-visibility-gain-2026
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<blockquote cite="https://lighthousedata.io/data/original-content-visibility-gain-2026" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>22%</strong> -- average visibility gain for sites producing original content<br><small>Source: mapletree.studio (2026-03) · <a href="https://lighthousedata.io/data/original-content-visibility-gain-2026" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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