B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
21.6%
21.6% -- form submission lift for Lead gen brand sites (2026)
A 0.1-second page speed improvement resulted in a 21.6% increase in lead generation form submissions across brand sites studied.
Attribution:
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Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
21.6%
Unit
Percentage
Data Vintage
2026
Entity
Sample Size
37
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 and Deloitte
Primary
Tier B
https://kirro.io/landing-page-conversion-rate ↗
Source Article
Landing Page Conversion Rate: 2026 Benchmarks + Tips
The average landing page conversion rate sits between 2% and 7%, depending on whose data you trust. Unbounce puts the median at 6.6% across 41,000 pages and 464 million visits. WordStream says 2.35%. Both are technically correct. Both are mostly useless without context.
That context is what this gui…
Original Research
Google and Deloitte
· Original study ↗
Methodology
Google and Deloitte study of 37 brand sites
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Lead gen brand sites: 21.6% form submission lift. Source: Google and Deloitte (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/speed-improvement-lead-gen-forms
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<blockquote cite="https://lighthousedata.io/data/speed-improvement-lead-gen-forms" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>21.6%</strong> -- form submission lift for Lead gen brand sites<br><small>Source: Google and Deloitte (2026) · <a href="https://lighthousedata.io/data/speed-improvement-lead-gen-forms" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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