B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
30%
30% -- traffic reduction from algorithm update for blogs affected by Google core updates (2026)
Sites affected by Google core updates experience documented traffic reductions of 30% to 70% within a single update cycle.
- Represents the lower bound of a documented 30% to 70% traffic reduction range for affected sites
Attribution:
View source
Lighthouse Research Team
Last verified:
·
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Source verified
Evidence graded
Value
30%
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
75
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
Bitok Arena
Primary
Tier B
https://bitokarena.com/blog/is-blogging-still-profitable-in-2026-or-is-on-chain-bitcoin-competition-… ↗
Source Article
Is Blogging Still Profitable in 2026 — or Is On
Original Research
Bitok Arena
· Original study ↗
Methodology
Range of 30-70% traffic reduction within a single Google core update cycle for affected sites; midpoint used
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
blogs affected by Google core updates: 30% traffic reduction from algorithm update. Source: Bitok Arena (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/google-core-update-traffic-loss-2026
HTML Embed
<blockquote cite="https://lighthousedata.io/data/google-core-update-traffic-loss-2026" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>30%</strong> -- traffic reduction from algorithm update for blogs affected by Google core updates<br><small>Source: Bitok Arena (2026) · <a href="https://lighthousedata.io/data/google-core-update-traffic-loss-2026" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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