FORECAST
The ROI of page speed
Pick the speed-up you are after and see what it is worth, forecasted from 101 published studies.
Acceleration
1000 ms faster
Move both handles to set the load time your site has today and the one you are aiming for. Every forecast below is extrapolated from real study results — see the questions at the bottom of the page for how.
SEO Traffic impact of 1000 ms
Forecast +34% ± 5%
Traffic impact of 1000 ms
Forecast +13% ± 3%
Revenue impact of 1000 ms
Forecast +10% ± 4%
- Google Load TimeMedia74% faster ≈ +100%+90%
- Thomas Kent Load TimeE-Commerce54% faster ≈ +79%+79%
- Rooted Objects Load TimeMarketplace25% faster ≈ +44%+44%
- Swappie Load TimeE-Commerce23% faster ≈ +42%+42%
- Google Page SpeedSearch56% faster ≈ +20%+20%
- AutoAnything Load TimeCars50% faster ≈ +12%+12%
- Vodafone LCPTelco31% faster ≈ +8%+8%
- Mynet Page SpeedMedia300% faster ≈ +25%+6%
- Walmart Page SpeedE-Commerce100 ms ≈ +1%+5%
- Amazon Page SpeedE-Commerce100 ms ≈ +1%+5%
- Zalando Load TimeFashion100 ms ≈ +0.7%+5%
- Missguided Load TimeFashion100 ms ≈ +0.65%+5%
Conversions impact of 1000 ms
Forecast +13% ± 6%
- MakeMyTrip.com Load TimeTravel38% faster ≈ +200%+200%
- Rooted Objects Load TimeMarketplace25% faster ≈ +162%+162%
- Butcher of Blue Load TimeFashion85% faster ≈ +169%+133%
- SnipesUSA Page SpeedFashion30% faster ≈ +100%+100%
- Furnspace Page SpeedE-Commerce65% faster ≈ +100%+100%
- Thomas Kent Load TimeE-Commerce54% faster ≈ +77%+77%
- Voot Load TimeEntertainment80% faster ≈ +77%+64%
- Truebil Load TimeMarketplace44% faster ≈ +61%+61%
- Nikkei TTIMedia70% faster ≈ +58%+55%
- Orange Load TimeTelco30% faster ≈ +52%+52%
- Housing.com Load TimeMarketplace30% faster ≈ +38%+38%
- Revelry Load TimeFashion43% faster ≈ +30%+30%
- AliExpress Load TimeE-Commerce36% faster ≈ +27%+27%
- ETAM Page SpeedFashion58% faster ≈ +20%+20%
- Mozilla Load TimeSoftware43% faster ≈ +15.4%+15%
- Pinterest Page SpeedSocial Media40% faster ≈ +15%+15%
- Yelp FCPSocial Media45% faster ≈ +15%+15%
- AppelrathCüpper FCPFashion290% faster ≈ +55%+13%
- Lancôme TTIE-Commerce84% faster ≈ +17%+13%
- Otto FCPE-Commerce11% faster ≈ +13%+13%
- AWN FCPE-Commerce77% faster ≈ +14.4%+12%
- Jochen Schweizer mydays Group FCPExperiences60% faster ≈ +9.8%+10%
- AutoAnything Load TimeCars50% faster ≈ +9%+9%
- Tokopedia TTIE-Commerce65% faster ≈ +8%+8%
- George.com Load TimeFashion280% faster ≈ +31%+7%
- BMW Load TimeCars300% faster ≈ +30%+7%
- Akamai (Mobile) Load TimeE-Commerce4% faster ≈ +7.1%+7%
- Cook Load TimeFood18% faster ≈ +7%+7%
- Deloitte Page SpeedTravel100 ms ≈ +10.1%+5%
- Deloitte Page SpeedE-Commerce100 ms ≈ +8.4%+5%
- Renault LCPCars100 ms ≈ +1.3%+5%
- Mobify Page SpeedE-Commerce100 ms ≈ +1.11%+5%
- Staples Page SpeedE-Commerce100 ms ≈ +1%+5%
- Buecher.de (Mobile) Page SpeedE-Commerce35% faster ≈ +4%+4%
- Intuit Page SpeedSoftware53% faster ≈ +3%+3%
- Akamai (Desktop) Load TimeE-Commerce4% faster ≈ +2.4%+2%
- Stylefile FCPFashion52% faster ≈ +1.9%+2%
- Walmart Page SpeedE-Commerce100 ms ≈ +0.2%+2%
- Jaimie Jacobs FCPFashion200% faster ≈ +4%+1%
Session Length impact of 1000 ms
Forecast +21% ± 2%
- Google Load TimeMedia74% faster ≈ +70%+63%
- Forbes Render TimeMedia62% faster ≈ +40%+40%
- Voot Load TimeEntertainment80% faster ≈ +39%+32%
- OpenSooq TTIMarketplace50% faster ≈ +28%+28%
- Truebil Load TimeMarketplace44% faster ≈ +26%+26%
- Otto FCPE-Commerce11% faster ≈ +25%+25%
- Tokopedia LCPMarketplace55% faster ≈ +23%+23%
- ETAM Page SpeedFashion58% faster ≈ +21%+21%
- Mynet Page SpeedMedia300% faster ≈ +43%+10%
- Housing.com Load TimeMarketplace30% faster ≈ +10%+10%
- George.com Load TimeFashion280% faster ≈ +28%+7%
- AWN FCPE-Commerce77% faster ≈ +7.4%+6%
- Akamai (Desktop) Load TimeE-Commerce100 ms ≈ +2.49%+5%
- Akamai (Mobile) Load TimeE-Commerce100 ms ≈ +2.48%+5%
- AppelrathCüpper FCPFashion290% faster ≈ +16%+4%
Bounce Rate impact of 1000 ms
Forecast −12% ± 3%
- OLX TTIMarketplace23% faster ≈ -80%−80%
- Thomas Kent Load TimeE-Commerce54% faster ≈ -57%−57%
- NDTV LCPMedia55% faster ≈ -50%−50%
- George.com Load TimeFashion280% faster ≈ -200%−48%
- Housing.com Load TimeMarketplace30% faster ≈ -40%−40%
- The Economic Times LCPMedia80% faster ≈ -43%−36%
- Akamai (Mobile) Load TimeE-Commerce59% faster ≈ -33%−33%
- OpenSooq TTIMarketplace50% faster ≈ -29%−29%
- Furnspace Page SpeedE-Commerce65% faster ≈ -20%−20%
- Otto FCPE-Commerce11% faster ≈ -20%−20%
- Voot Load TimeEntertainment80% faster ≈ -19%−16%
- Lancôme TTIE-Commerce84% faster ≈ -15%−12%
- Orange Load TimeTelco30% faster ≈ -12%−12%
- Revelry Load TimeFashion43% faster ≈ -8%−8%
- Cook Load TimeFood18% faster ≈ -7%−7%
- Mynet Page SpeedMedia300% faster ≈ -24%−5%
- Deloitte Page SpeedLead Gen100 ms ≈ -8.3%−5%
- Google Page SpeedSearch100 ms ≈ -1.6%−5%
- Renault LCPCars100 ms ≈ -1.4%−5%
- BBC Page SpeedMedia100 ms ≈ -1%−5%
- Buecher.de (Desktop) Page SpeedE-Commerce100 ms ≈ -0.4%−4%
- Edmunds Load TimeCars80% faster ≈ -4%−3%
- AWN FCPE-Commerce77% faster ≈ -3.5%−3%
- Buecher.de (Mobile) Page SpeedE-Commerce100 ms ≈ -0.2%−2%
- Jaimie Jacobs FCPFashion200% faster ≈ -1.4%−0%
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