B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Recent
8%
8% -- organic traffic reduction for SaaS and service-oriented websites (2025)
Duplication on SaaS and service-oriented websites contributed to an average 8-10% organic traffic reduction.
- Represents the lower end of an 8–10% average range
Attribution:
View source
Lighthouse Research Team
Last verified:
·
How we verify data →
Source verified
Evidence graded
Value
8%
Unit
Percentage
Data Vintage
2025
Entity
Sample Size
150
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
60
Independence
30
Methodology
45
Freshness
95
Source
NineStats
Primary
Tier C
https://ninestats.com/organic-traffic-loss-duplicate-content/ ↗
Source Article
Organic Traffic Loss from Duplicate Content: A Quantitative SEO Study
Duplicate content is one of the most persistent issues affecting search engine optimization, with measurable consequences for organic traffic and website performance. While search engines do not typically impose direct penalties for duplicated content, multiple studies indicate that it can significa…
Original Research
NineStats
· Original study ↗
Methodology
Data from 150 SaaS/service websites; range 8-10%
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
SaaS and service-oriented websites: 8% organic traffic reduction. Source: NineStats (2025). Via Lighthouse Intelligence -- https://lighthousedata.io/data/saas-duplication-traffic-loss
HTML Embed
<blockquote cite="https://lighthousedata.io/data/saas-duplication-traffic-loss" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>8%</strong> -- organic traffic reduction for SaaS and service-oriented websites<br><small>Source: NineStats (2025) · <a href="https://lighthousedata.io/data/saas-duplication-traffic-loss" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
Share
Related Statistics
Use this data in your work
Copy the citation, embed the widget, or explore thousands more verified marketing statistics -- all free.