C
Evidence Grade C
Graded
under review
Use with Hedging
Current
20%
20% -- conversion rate decrease per second delay for mobile landing pages (2026)
Attribution:
View source
Lighthouse Research Team
Last verified:
·
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Source verified
Evidence graded
Value
20%
Unit
Percentage
Data Vintage
2026
Entity
Evidence Quality
C
Moderate quality evidence
Useful directional data with some methodological gaps. Treat as indicative rather than definitive -- corroborate before citing in formal research.
Score breakdown
Extraction
50
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Sources (2)
eMarketer
Primary
Tier C
https://ppcgrowthstudio.com/ppc-and-landing-pages-2026-conversion-secrets/ ↗
Source Article
PPC & Landing Pages: 2026 Conversion Secrets
Mastering paid search isn’t just about driving traffic; it’s about converting that traffic into tangible results. Effective landing page optimization is the bedrock of profitable PPC campaigns, transforming clicks into customers. But how do you truly achieve that synergy? This article features exper…
Also cited by
Medical PPC Agency
https://medicalppcagency.com/google-ads-strategies-medical-practices/
2026-09-19
Original Research
eMarketer
· Original study ↗
Methodology
eMarketer report cited by PPC Growth Studio article
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Suggested hedging: According to limited, single-source data, with unverified sample sizes...
Plain Text
mobile landing pages: 20% conversion rate decrease per second delay. Source: eMarketer (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/mobile-load-delay-conversion-drop-20
HTML Embed
<blockquote cite="https://lighthousedata.io/data/mobile-load-delay-conversion-drop-20" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>20%</strong> -- conversion rate decrease per second delay for mobile landing pages<br><small>Source: eMarketer (2026) · <a href="https://lighthousedata.io/data/mobile-load-delay-conversion-drop-20" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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