B
Evidence Grade B
Graded
under review
Safe to Cite
Dated
23%
23% -- bounce rate increase for websites with 3-second load time vs 1-second (2020)
Attribution:
View source
Lighthouse Research Team
Last verified:
·
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Source verified
Evidence graded
Value
23%
Unit
Percentage
Data Vintage
2020
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
50
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
Google
Primary
Tier C
https://www.iseou.us/a-perfect-100-the-pagespeed-everyone-wants/ ↗
Source Article
A Perfect 100: The PageSpeed Everyone Wants
If your website does not have a fast speed, your visitors will leave just as fast as they appeared. While the solution is to build a faster website, it is easier said than done. There are many elements as to why a page is running slower than it should. Are there too many images? Is a code not writte…
Original Research
Google
· Original study ↗
Methodology
Probability of bounce rate increase as page load time goes from 1s to 3s; commonly attributed to Google research
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
websites with 3-second load time vs 1-second: 23% bounce rate increase. Source: Google (2020). Via Lighthouse Intelligence -- https://lighthousedata.io/data/bounce-rate-increase-1-to-3-seconds-load
HTML Embed
<blockquote cite="https://lighthousedata.io/data/bounce-rate-increase-1-to-3-seconds-load" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>23%</strong> -- bounce rate increase for websites with 3-second load time vs 1-second<br><small>Source: Google (2020) · <a href="https://lighthousedata.io/data/bounce-rate-increase-1-to-3-seconds-load" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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