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Performance Insights
BETA
Learn what improvements can have the greatest impact on your site's performance
How this works:
- We download and modify your code to use performance best practices
- Run Lighthouse on the modified page, to measure the impact on performance
Testing uses Google PageSpeed Insights for mobile
Talk to an expert!
Do you have questions about Builder.io? Want to see a live demo?
Schedule time with our team of experts who can help guide you in the right direction!
Why does performance matter?
Put simply: slow sites deter visitors, costing conversions
Every 100ms faster → 1% more conversions
For Mobify, every 100ms decrease in homepage load speed worked out to a 1.11% increase in session-based conversion, yielding an average annual revenue increase of nearly $380,000.
50% faster → 12% more sales
When AutoAnything reduced page load time by half, they saw a boost of 12% to 13% in sales.
20% faster → 10% more conversions
Retailer Furniture Village audited their site speed and developed a plan to address the problems they found, leading to a 20% reduction in page load time and a 10% increase in conversion rate.
40% faster → 15% more signups
Pinterest reduced perceived wait times by 40% and this increased search engine traffic and sign-ups by 15%.
850ms faster → 7% more conversions
COOK reduced average page load time by 850 milliseconds which increased conversions by 7%, decreased bounce rates by 7%, and increased pages per session by 10%.
1 seconds slowness → 10% less users
The BBC found they lost an additional 10% of users for every additional second their site took to load.
Source: web.dev
Partytown 🎉 highlighted in Smashing magazine
"Builder.io aims to make high performance the default. Partytown is pivotal in making near-zero-JavaScript websites attainable for anyone."
Steve Sewell, Builder's CEO on Smashing Magazine