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Test website speed
on real browsers & devices

SpeedLab scores your website on important performance metrics so you can optimize your page speed to deliver the best user experience.

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Optimize website speed for every user

Real browsers & devices

Real browsers & devices

Measure website speed on BrowserStack’s Real Device Cloud for unparalleled accuracy.

Actionable metrics

Actionable metrics

Spot and fix browser or device-specific issues with the detailed performance report.

Competitive Benchmarking

Competitive Benchmarking

Evaluate your mobile and desktop score and see how you stack up against competition.

Meet team specific website goals

For developer teams

For developer teams

Test in real-world conditions to measure actual user experience, debug bottlenecks and improve performance.

For product & marketing teams

For product & marketing teams

Benchmark against competitors and understand how a slow web page can impact SEO, conversion, and bounce rates.

Mobile and Desktop scores of industry leaders

  • ALL
  • SOFTWARE
  • FINANCE
  • MEDIA
  • OPEN SOURCE
  • GOVERNMENT
  • RETAIL
COMPANY/BRAND MOBILE SCORE
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DESKTOP SCORE
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Spotify - spotify.com 82 100
Twitter - twitter.com 97 100
Microsoft - microsoft.com 96 100
COMPANY/BRAND MOBILE SCORE
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DESKTOP SCORE
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Barclays - home.barclays 72 88
Mastercard - mastercard.us 67 98
Royal Bank of Scotland - rbs.co.uk 44 88
COMPANY/BRAND MOBILE SCORE
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DESKTOP SCORE
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jQuery - jquery.com 99 100
AngularJS - angularjs.org 92 100
Wikimedia Foundation - wikimediafoundation.org 94 100
COMPANY/BRAND MOBILE SCORE
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DESKTOP SCORE
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United Nations - un.org 46 86
IRS - irs.gov 46 72
HM Revenue & Customs - gov.uk 100 100
COMPANY/BRAND MOBILE SCORE
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DESKTOP SCORE
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Macy's - macys.com 76 90
Tesco - tesco.com 91 97
L'Oréal Group - loreal.com 73 88
IKEA - ikea.com 99 100
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