03/01/2016

Benchmark Your Web and Mobile User Experience

Yottaa's CEXi is a compound index that quantifies the desktop and mobile user experience of a web application far more accurately than any single metric. The CEXi combines objective, measurable aspects of performance, such as page load speed from both mobile and desktop simulations, with specific weighting calculations to provide online businesses with an overall performance score that simulates the actual feeling, positive or negative, of using their web applications for a modern, cross-device user.

The Customer Experience Index focuses on three aspects of web performance: speed, parity of experience (across devices), and how well a site is optimized in relation to its complexity.

Click the button to get your organization's CEXi calculated and see where you stand in comparison to your competitors.

Get your CEXi score

Month: February 2013

So your website is slow, and you don’t know why.  Poor first/last byte performance is one reason it might be. Here’s how to find out if it’s what’s ailing you and your site visitors! Here at Yottaa we talk a lot about front-end optimization — optimizing the content of a website so that’s easier for […]

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We’re happy to welcome one of our newest customers! LifeProof, a company based in San Diego, designs and manufactures cases for mobile devices. The cases promote freedom from environmental constraints by withstanding full submersion in water, drops from several feet, and contact with dirt and snow – all while maintaining full usability of the phone. […]

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Mobile phone users in Asia want to visit your website. They want what you’re selling. But can they get it? Global companies with the desire to reach web users outside the US and Western Europe face a big challenge: slow cell networks. 

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  Right on the heels of analyzing Superbowl 2013 site crashes is Valentine’s Day!  And given the billions spent by consumers on gifts (and the many millions spent by the Ecommerce sites to drive consumer traffic), we thought it’d be interesting to monitor and diagnose site performance and user experience of several popular websites, in […]

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Join us in welcoming another new customer at Yottaa! Big Train Inc. has been providing the coffeehouse industry with signature beverage mixes for over 20 years.  Their mixes allow a barista (or you!) to create delicious iced and hot beverages in hundreds of flavors in seconds. The Yottaa team knows from experience – thanks for the […]

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A page load SLA (Service Level Agreement) or site performance SLA is an agreement your organization develops internally to define an acceptable page load time.  Creating and enforcing a page load performance SLA guarantees a site experience that’s frictionless and valuable for your users. Creating a strong page performance SLA isn’t as easy as it […]

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  JavaScript performance is always on the mind of engineers as they chip away at average page load times.  But occasionally a JavaScript failure is so bad that it bubbles up to the attention of the average web user. That’s exactly what happened last Friday, when the “Login with Facebook” script took down a number of […]

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So, we?ve had a ton of fun monitoring Superbowl ad sites for performance and uptime, trying to predict which ones will crash, and analyzing the results.  In the end, 13 out of 51 ads (25%) had web site failures.  Once the dust settled, I decided to take a look at the ads, and the dozens […]

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A big part of my role as Technical Evangelist at Yottaa is to speak at Meetup groups about web performance. In my presentations I cover some easy ways to increase the performance of a website. One of my favorites is also one of the most impactful, and it happens to be incredibly easy to do: […]

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As a web application developer, you are constantly working on your site, tweaking it, and rolling out new features. Any time you make changes to the existing site, you run the risk of negatively impacting the performance site.

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