Luis Cuellar

Certified Scrum Master, Agile Project Manager and Coach, and Co-Founder of Agileana LC. He has extensive skills and experience as a web developer, web designer, software analyst, section 508 consultant, professional photographer and illustrator. His interests include web usability, lean startups, photography, and he is constantly exploring new ways to make the team more effective as an integrated Agile unit.
All articles by Luis Cuellar

Front end performance enhancements, the 3 snapshot technique

        Filed under: Web Design, Web Development

There are many variables that affect the performance of a website in the front end (website template), and one of them is memory leaks, which can eventually make your website unresponsive and the browser to crash. The GMail team developed a workflow few years ago, called the “three snapshot” technique,  to eliminate memory leaks in GMail, using  the Chrome … Continued

Tagged: , , , , , , ,

What I learned at WordPress VIP 2014 in San Francisco and Napa valley

        Filed under: Web Design, WordPress Design

Apart from learning about wine, and that Napa is such an amazing place in the world, there were a bunch of stuff that I learned from the workshops I attended about security and performance, and from the conversations I had with the team from Automattic and the other attendees of this event. Vagrant, and deploying virtual … Continued

Tagged: , , ,

How to make Balsamiq mockups look more professional

        Filed under: How to, Usability, Web Design

Balsamiq Mockups is an intuitive software to create wireframes, or website skeletons, used to conceptualize a website or application before the design stage. By default, Balsamiq Mockups gives a sketchy look to these graphics, which make them look unprofessional. This is a wireframe created with Balsamiq, using the default settings that come with the software: … Continued

Tagged:

computer, laptop and tablet on a desk

Responsive web designer in Washington DC

        Filed under: Front-End Development, Mobile, Usability, Web Design

Responsive design is now widely used as a cost effective alternative to deliver content across different platforms. There are also great responsive CSS frameworks that allow designers rapidly deploying user interfaces, thanks to the graphic resources and JavaScript features that they include by default. CSS frameworks These are the three frameworks that we typically use in our … Continued

Tagged: , , , , , , ,

Responsive Web Design

        Filed under: Usability, Web Design

Responsive design is now widely used as a cost effective alternative to deliver content across different platforms. There are also great responsive CSS frameworks that allow designers rapidly deploying user interfaces, thanks to the graphic resources and JavaScript features that they include by default. CSS frameworks These are the three frameworks that we typically use in our … Continued

Tagged: , , , , , ,

Drupal preview is not working!

        Filed under: Drupal, Web Design, Web Development

Yes, and it’s unbelievable that such a great and sophisticated content management system doesn’t offer a way to preview content as it’s going to look in the front end. What Drupal does is showing a preview of the content on top of the edit form of the content type in the back end, with the … Continued

Tagged:

Java vulnerability was discovered yesterday, disabling Java in browsers is highly recommended

        Filed under: How to, Web Design, Web Development

Yesterday, the US Computer Emergency Readiness Team issued a vulnerability note about Java: Overview – Java 7 Update 10 and earlier contain an unspecified vulnerability that can allow a remote, unauthenticated attacker to execute arbitrary code on a vulnerable system. Description – Java 7 Update 10 and earlier contain an unspecified remote-code-execution vulnerability. This vulnerability is … Continued

Tagged: , ,


Poster of Angry Birds characters

Angry Birds Space uses astronaut from the ISS for advertising

        Filed under: Gaming, Government, Social Media

Interesting how an astronaut from NASA promotes this game and explains its new features in a real environment, with no gravity, from the International Space Station. Kind of cool, uh? but at the same time, it’s a great marketing strategy. Finding a prominent figure to promote your product or services (ensuring they’re relevant) is a … Continued

Tagged: , , ,

Trojan-Dropper.Win32.Genome.fhe virus is a false positive

        Filed under: Web Design

Yesterday morning, Kaspersky antivirus detected on several computers of our company the following virus: Trojan-Dropper.Win32.Genome.fhe We were concerned that the virus was spreading out through our network, we even blamed Dropbox (which is actually a huge security risk if somebody publishes a virus under a shared folder) and uninstalled it from our computers. We invested hours … Continued

Tagged:

Google Apps supported only on modern browsers

Google Apps supported only on modern browsers

        Filed under: Web Design, Web Development

Wondering why Google Docs, Google + and other Google applications don’t work on old browsers as IE6, IE7, Firefox 3.5 and Safari 3? well, Google discontinued support for old browsers since August of 2011. This doesn’t surprise me. In order for Google to offer the best experience to their users, they need to use the latest … Continued

Tagged:


How to add a target _blank on a WordPress menu item

        Filed under: How to, Web Design, WordPress Design

The new features of WordPress 3.x are great and allow us to customize the websites and manage the content flexibly. The Menus module is one of those wonderful features, but by default, it doesn’t allow to specify some attributes of the  menu items, like the “target”. In my opinion, the WordPress administration area design is … Continued

Tagged: , , ,

Photoshop shortcuts – how to improve the design process performance

        Filed under: Web Design

Photoshop is a powerful tool to design websites. But through shortcuts and a combination of keys, you can really expedite the design process and be faster and more productive. When I first started working for the government (especially The White House), I had unbelievable deadlines and pressure that seemed impossible at the time. We would … Continued

Tagged: , , ,

How to import your blog posts on your Facebook page

How to import your blog posts on your Facebook page

        Filed under: Web Design

Wondering how to integrate your blog articles on your Facebook page? The following method not only allows you to import your blog posts on Facebook, but also automates the process of publishing your news articles on your Facebook page and helps you with the Conversation strategy of your website’s Search Engine Optimization (SEO) Requirements: A … Continued

Tagged: