ROI calculator

Mukava created a Return on Investment (ROI) calculator for Optoro, a Washington, DC-based reverse logistics company. The purpose of the calculator is to allow prospective clients to see how much they could save by leveraging Optoro’s systems to improve their processes of handling returns of online sales.

The system relies on a complex mathematic model that calculates the possible returns based on the size and type of the business, the industry, and other factors. The calculator’s data was saved into multiple configuration files for easy management and updates. The engine also offers recommendations for the user and compiles them into a report as a downloadable PDF.

Optoro ROI Calculator

Cassidy Duhon is a Washington, DC Wedding photographer whose website needed upgrading. He found a theme which I modified to the look and feel he had in mind. This theme also supported responsive design, which automatically adapts the website to the user’s device screen size. In other words, responsive design is a “one size fits all” approach in which the page is optimized for all screen sizes. See the website in action on multiple screen sizes on

Cassidy also wanted to include his portfolio, which consists of tens of photos, on the home page of the site. The easy (and wrong way) would have been to include all of the images on the page with the initial page load. This would have caused to long page load times and terrible waste of bandwidth for mobile users, for example. To resolve this problem, I used an approach called “lazy loading.” In this approach only five photos are included in the initial page load. The rest are added to the carousel as needed with a custom functionality that runs transparently in the background.

This site was launched in December 2012 and has a Page Speed Grade of 92% on GT Metrix.

Making iPhone-optimized

With the increased number and success of the iPhone, I thought it’d be a good idea to make a site of mine containing best quotes from Johnny Drama optimized for iPhones. While the original version was working well on the iPhone thanks to its awesome zooming and scrolling capabilities, the page wasn’t taking advantage of the device’s built-in UI controls, such as swiping plus the landscape and portrait orientations.

Inspired by Jin Yang’s blog post on Designing for the iPad, I decided to get to work. I’m not an iPad owner, but his blog post discusses most of the important aspects to take into consideration when optimizing web pages for Apple products. To make the project more manageable, I broke it down to the two following tasks:
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