B
Evidence Grade B
Safe to Cite
Dated
1%
1% -- conversion rate increase for Websites (after site speed improvements) (2011)
Attribution:
View source
Lighthouse Research Team
Last verified:
·
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Source verified
Evidence graded
Value
1%
Unit
Percentage
Data Vintage
2011
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
90
Citation Chain
90
Independence
30
Methodology
45
Freshness
95
Source
Steve Souders (P3PC project)
Primary
Tier B
http://unbounce.com/conversion-rate-optimization/are-third-party-tools-conversion-killers/?replytoco… ↗
Source Article
Are Third-Party Tools Secret Conversion Killers? [Infographic]
Google’s new +1 button is the widget du jour, with countless installations since its launch on June 1. But as it turns out, the +1 button could make pages up to two seconds slower, according to performance consultant Aaron Peters.
Since Aaron documented his performance audit on his blog, Google has …
Original Research
Steve Souders (P3PC project)
· Original study ↗
Methodology
Reported as a range of 1%-16%; midpoint 8.5% extracted. Attributed in article to findings from Steve Souders's P3PC project and related site-speed studies
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Websites (after site speed improvements): 1% conversion rate increase. Source: Steve Souders (P3PC project) (2011). Via Lighthouse Intelligence -- https://lighthousedata.io/data/site-speed-improvement-conversion-increase-1-16-percent
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<blockquote cite="https://lighthousedata.io/data/site-speed-improvement-conversion-increase-1-16-percent" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>1%</strong> -- conversion rate increase for Websites (after site speed improvements)<br><small>Source: Steve Souders (P3PC project) (2011) · <a href="https://lighthousedata.io/data/site-speed-improvement-conversion-increase-1-16-percent" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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