Brotli is an open source, lossless compression algorithm developed by Google. Originally designed to decrease the size of web fonts, Brotli now works as a general-purpose format for compressed data. Brotli acts as an alternative to gzip and Deflate, generating files that are smaller and decompress just as quickly.
JavaScript has a huge impact on web page performance, but much of this impact comes long before the script even runs. When a browser normally encounters a JavaScript block, it stops rendering the page in order to download and run the script. Where 38% of visitors will leave a website after waiting just 5 seconds for it to load, waiting on JavaScript simply isn't a viable option.
On March 21, 2018, version 1.3 of the Transport Layer Security (TLS) protocol was officially approved. TLS is the backbone of Internet security, protecting everything from web traffic to encrypted emails. Version 1.3 improves on previous versions by streamlining the connection process and removing old, insecure encryption methods.
The loading speed of your website directly impacts every visitors' opinion and more importantly, dictates whether they want to spend money on your site or ever visit it again. Poor web performance can make them think your site is not worth utilizing, and can hurt your ad revenue or product sales.
Keeping your CSS optimized is an important factor that you will find you need to make sure you're doing. When it comes to optimization it's important to know that it is not all about minimizing file size. It is important to minimize the file size, but it is also just as important to remain organized so that things don't have to be cluttered and so that you can remain efficient. But what you will see is that the more that you learn about the different optimal CSS practices that are available, the smaller size of the file will come as a direct result of doing that.