Lubos Kmetko
- All
- Ecommerce
- Freebies
- Inside Xfive
- Lifestyle
- Open Source
- Performance
- Product Development
- QA
- Responsive Design
- UX/UI
- Web Development

An MVC-like WordPress Development with ACF and Timber
Improve your WordPress themes with ACF, Timber and a grain of inspiration from the MVC pattern.

Xfive.co – Designed and Built for Performance
In these times of website obesity, we've made our website four times leaner than the average. How did we do it?

Free Ebook: How to Design Ebooks in Google Slides
Download our free, 20 page ebook on how to design ebooks in Google Slides.

Web Performance Awards – February 2016
How did Awwwards winning websites deal with performance optimization in February 2016?

Do Intro Animations Affect Perceived Performance?
Waiting for the green light at traffic lights is not a very exciting moment. The same applies for waiting until a website loads.

Why You Should Stop Supporting IE10, IE9 and IE8
Don’t put your users at risk and stop supporting the legacy, insecure versions of Internet Explorer. Even if your stats suggest otherwise.

Lightning-Fast Social Media Buttons with Counters
Keep your website lean with the following recipe for fast responsive social media buttons with counters. All with just 1 request and 3kB of code.

A Big Test of Social Media Buttons – Performance, Privacy, Features
Social media buttons are blamed for their poor performance and privacy offending nature. We’ve tested 10 popular solutions to find out the truth.

Improve Reader Experience at Your Blog in 3 Simple Steps
A lot of good content on the web is buried in long paragraphs of low contrast text. Learn how to improve reader experience at your blog.

11 Tips to Become a Better Front-end Developer
Borrow your designer’s eyes, don’t be a monkey and subscribe to the Lifelong Learning University ... what the heck? Check out our tips how to become a better front-end developer.