B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
15%
15% -- conversion lift for Google Ads advertisers (Responsive Search Ads and sitelinks) (2026)
Advertisers who improve Ad Strength from Poor to Excellent on Responsive Search Ads and sitelinks achieve approximately 15% more conversions on average.
- Figure reported by Google and cited secondhand in the guide
- Applies specifically to lifting Ad Strength from 'Poor' to 'Excellent' on Responsive Search Ads and sitelinks
Attribution:
View source
Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
15%
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
Google
Primary
Tier B
https://www.tisdigitech.com/blog/how-to-improve-ppc-ads-with-sitelink-extension/ ↗
Source Article
How to Improve PPC Ads with Sitelink Extensions: 2026 Guide
Most underperforming Google Ads share one quiet flaw. They give the searcher a single link to a single page, even when the searcher has three or four parallel questions on their mind. Sitelink extensions, now formally called sitelink assets, fix that gap by adding clickable shortcuts directly beneat…
Original Research
Google
· Original study ↗
Methodology
Google-reported figure: advertisers lifting Ad Strength from 'Poor' to 'Excellent' see ~15% more conversions on average. Cited secondhand in a TIS Digitech guide.
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Google Ads advertisers (Responsive Search Ads and sitelinks): 15% conversion lift. Source: Google (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/ad-strength-improvement-conversions-lift
HTML Embed
<blockquote cite="https://lighthousedata.io/data/ad-strength-improvement-conversions-lift" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>15%</strong> -- conversion lift for Google Ads advertisers (Responsive Search Ads and sitelinks)<br><small>Source: Google (2026) · <a href="https://lighthousedata.io/data/ad-strength-improvement-conversions-lift" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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