"detailed list of best practices to improve your frontend performance..."

"so, you’ve published a web api? well done! you’re serving it over http(s), right? most developers see no reason to distrust the protocol that’s been holding the web together for almost 30 years. http is very performant, scalable and reliable – in fact, it has multiple nifty performance features to make sure developers can make the most out of the applications built upon it..."

"one of the easiest ways to increase site speed and reduce server load is to leverage browser caching. browser caching stores resources from your website page on a visitor’s computer. this allows the cached copy of the image or other type of file to be pulled from the visitor’s computer saving bandwidth and server load when they visit another page or return to your site later..."

"asynchronously, the loading of web resources by the browser during the creation of the web page allows the user to see the finished web page elements on the web page earlier. however, loading every resource asynchronously can create a bottleneck in the browser’s main thread. for this reason, it is important to determine which web page elements will be loaded in what order and whether asynchronously or synchronously..."

"looking for the guide explaining the best wp rocket settings? look no more, you’ve found it!..."

"some users are okay with a slightly degraded user experience and lower image quality in exchange for lower data usage and costs savings. there haven’t been a standard way of letting websites know about this preference before, but the new save-data http request header introduces just such a method. now it’s up to web developers to adopt it to serve their audience the best way they can..."

"when it comes to website performance, the bar is high. one of the factors that determine a great website is its speed. these days, websites are filled with images, videos, and scripts, which means they require more time to load..."

"yahoo! japan news, one of the most popular news platforms in japan, drove a concerted effort to improve their bfcache hit rate and saw significant user experience and business improvements as a result. specifically, the results of the a/b test they conducted showed that pages that use bfcache had a 9% increase in ads revenue..."

"lowercase letters and uppercase letters use the same amout of data — 1 byte each..."