Reduce the file size of compressed webpages by optimizing the order of <meta> and <link> elements in the document <head> section.
The majority of websites don’t compress their favicon files despite an impressive average file size reduction of over 70 %.
Apache’s module for server-driven HTTP content negotiation isn’t suited to make decisions about which pre-compressed resource to serve.
Modern lossless compression reduces the gap between new WebP image format, and JPEG and PNG images.
PHP GD graphics library (libgd) causes bad artifact-patterns when downsizing images. Makes images bigger and quality lower.
The new HTTP Save-Data request header can help websites determine the bandwidth constraints of their visitors.
How to enable the new Brotli compression module alongside Gzip in the Apache HTTPD server.
Apple adds command-line support for high-efficiency file compression format.