Presented at the Tokyo Business Meetup on 2016.6.23 by Jeff Crawford. For more info, come to http://www.jcdigital.jp.

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Tokyo Business Meetup: Bean Knowledge
Page Load Time and Its Affects on Your
Business
Jeff Crawford
JC Digital Consulting
jeff@jcdigital.jp
2016.6.23

2. Page Load Time
• Definition:
– The time it takes to load a page on your PC
Browser or Mobile Device.
• Why is it important?
• How Fast Should it be?
• What can you do?
• Biggest Culprit to Page Load Time

3. Why is Page Load Time Important?
Per Amazon:
Every 100 Millisecond delay in page
rendering resulted in 1% loss of sales for
Amazon.
Greg Linden 2006: Make Data Useful

4. Per Walmart

5. From Intuit
Page Load Time 2 to 4 Seconds 5 to 7 Seconds 7 to 15 Seconds
Effect on Conversions
of improving Page
Load time by 1 second
1% improvement
per second
2% improvement
per second
3% improvement
per second
Effect of Page Load time on Conversions

6. Page Load Time: How Fast Should it Be?
• It Depends
– If your Amazon, a 200 ms speed improvement
can equate to millions of dollars.
– If you are starting out, a Goal of 4 to 5
seconds is good.

7. Recommended Tool: WebPageTest.org

8. WebPageTest.org #2: Results

9. WebPageTest.org #3: Detailed Results

10. Biggest Culprit To Page Load Time?
• Images
– Images Not Compressed
– Poor Image Selection
– Too Many Images
– Overuse of Background Images
• Solutions
– Choose images wisely
– Compress images before uploading to your site
– Choose image sizes carefully

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Go and Conquer
Jeff Crawford
jeff@jcdigital.jp