We’re bringing the meetup to you. With Sessions, you can watch recordings of top-notch talks from developer meetups – wherever and whenever you want.

This tool provides measurable and actionable information about how to go beyond simple compression: discover how changes to image size, format selection, quality and encoding can dramatically improve page load speed.

A good article about writing composable components in CSS with an example of margin bottom.

A simple website launch checklist to keep track of the most important enrichment possibilities for a website.

A great write by Stuart Frisby showing how Booking.com is now using the default system fonts and many great tips about how to handle this in different browsers.

A great write about data-driven design and the concept behind it. The great thing about this article is using a real case study example from getting data from the database, to learn from the data and then make design decisions based on that data.

A good article on Smashing Magazine about A/B testing and about how to use data to make decesion optimizing the website design. Ashley discussed different terms at first like:

Quantitative data: Numerical data that shows the who, what, when and where.

Qualitative data: Non-numerical data that demonstrates the why or how.

Empirical data: is any type of information gathered through observation or experimentation.

And then moved to an experiemnt with how they used the data from Google Analytic to target a specefic audience making a new landing page with a great results at the end, she also mentioned some great advices like tailioring the landing page to specefic audiences, set a business goal, define what sucess is for the team and also she mentioned some online tools in addion to Google Analytic like Optimizely.

A/B testing is the most reliable way to learn user behaviors.

The idea of A/B testing is to present different content to different user groups, gather their reactions, and use the results to build strategies in the future.

Are your intuitions correct? Sadly, when it comes to user behavior, our intuitions could be wrong—and the only way to prove it is through A/B testing

A/B testing is the best way to validate whether one UX design is more effective than another.

Knowing your user is the most exciting part of the design process. There is no finished design, but many chances for iteration to improve the design and give our users the best experience possible.