March 21, 2018 — Linking JavaScript functionality to the DOM can be a repetitive and tedious task. In this article, Rik Schennink explains how ConditionerJS can help make websites more flexible and user-oriented. Read More…

February 7, 2018 — We all want to load images fast on the web. Choosing the right image format, optimizing the quality and using responsive images are important tasks, but what can we do beyond that? Read More…

August 28, 2017 — Most apps developed and released in Google’s Play store are abandoned by their developers. Over half of these apps get fewer than 5000 downloads, and most apps are considered unprofitable. This article is not going to make you the next Instagram, but it will hopefully help … Read More…

July 13, 2017 — Web developers spend their days writing hypertext, but, byte for byte, most of the web is composed of images. It is hard to overstate the effect that images have on the average web page’s performance; faster websites have broader reach and a higher impact. The first and most … Read More…

April 26, 2017 — Sometimes you have to step back and ask why a tradition exists. In mobile-first design, serving an image in three sizes — one for smartphones, one for tablets and one for desktops — using media queries and responsive images has become a tradition. But is it the best … Read More…

January 26, 2017 — When the Russian ruble’s exchange rate slumped two years ago, it drove us to think of cutting hardware and hosting costs for the Mail.Ru email service. First, we had to take a look at what email consists of. Indexes and bodies account for only 15% of the storage size, … Read More…

September 1, 2016 — Support for responsive images was added to WordPress core in version 4.4 to address the use case for viewport-based image selection, where the browser requests the image size that best fits the layout for its particular viewport. Read More…

March 15, 2016 — You can’t underestimate the importance of consistent, high-quality web design across devices of all shapes and sizes. Responsive web design is the way forward — but it’s often linked to performance issues. This is critical when 64% of smartphone users unforgivingly expect … Read More…

November 25, 2015 — Ask ten people what SEO is, and you’re likely to get ten different answers. Given the industry’s unsavoury past, this is hardly surprising. Keyword stuffing, gateway pages, and comment spam earned the first search engine optimisers a deservedly poor reputation within the web … Read More…