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Optimizely Blog

Tips & Tricks for Building Your Experimentation Program

Optimizely Increases Homepage Conversion Rate by 29%


Our home page, www.optimizely.com, has a red call-to-action button letting people test their website in the Optimizely editor.     We wanted to see what effect the button call-to-action had on conversion rate, so we ran an experiment changing the button text to the following three variations: The Original Page used “Get Started!” The first […]

Optimizely Launches Super Simple Behavioral Targeting for A/B Testing


We’re psyched to announce that Optimizely now makes it possible to design A/B experiments targeted at a specific segment of your visitors.  Why is this a big deal?   Behavioral targeting enables you to run experiments targeted at, for example: new visitors, currently-logged-in visitors or visitors who have already made a purchase. Our latest Optimizely […]

San Jose Mercury News: Ex-Googlers Penetrating Startup Hierarchy


Mike Swift wrote an interesting article about former Googlers who have gone off to start companies: Among those are Dan Siroker, who after quitting Google in 2008 to serve as one of presidential candidate Barack Obama’s secret tech weapons, is now CEO of Optimizely, a San Francisco startup. Siroker founded the company last year with […]

How Obama Raised $60 Million by Running a Simple Experiment


On October 21, 2010 President Obama visited Palo Alto to raise money the good ol’ fashioned way: a $30,400-per-plate fundraising dinner. This tried and true fundraising technique is a great way to raise money if you can get the President of the United States to show up to dinner. But how can you raise money if no one has heard of you and all you have is a website? Back in 2007, when Obama was running for the nomination and trailing by double digits in the polls, that’s pretty much all we had.

As Director of Analytics for the Obama 2008 campaign, my job was to use data to help the campaign make better decisions. We started with just one simple experiment back in December of 2007.

Announcing the Optimizely Private Beta!


Today we’re excited to announce the private beta launch of Optimizely. Our goal is to make it absurdly simple to run A/B tests on your website.  Optimizely grew out of my experience as the Director of Analytics on the Obama Presidential Campaign. While there, my team spent hundreds of hours testing different copy and designs for the campaign’s online […]