Bug 9328 – Use advice from Google PageSpeed Insights

Google has a tool for analyzing website performance. It gives advice that can be used to make sure pages load as fast as possible, and to minimize bandwidth. Following this advice would improve the user experience. Here is what it shows for dlang.org https://developers.google.com/speed/pagespeed/insights#url=dlang.org&mobile=false Highlights: Compressing the following resources with gzip could reduce their transfer size by 157.5KiB (67% reduction). Compressing http://dlang.org/js/codemirror.js could save 82.5KiB (73% reduction). Compressing http://dlang.org/js/hyphenate.js could save 32.6KiB (55% reduction). Compressing http://dlang.org/ could save 13.2KiB (68% reduction). Compressing http://dlang.org/js/run.js could save 11.8KiB (73% reduction). Compressing http://dlang.org/css/style.css could save 9.9KiB (73% reduction). Compressing http://dlang.org/js/d.js could save 4.1KiB (68% reduction). Compressing http://dlang.org/css/codemirror.css could save 3KiB (66% reduction). Compressing http://dlang.org/js/run-main-website.js could save 319B (41% reduction). The following cacheable resources have a short freshness lifetime. Specify an expiration at least one week in the future for the following resources: http://dlang.org/css/codemirror.css (expiration not specified) http://dlang.org/css/print.css (expiration not specified) http://dlang.org/css/style.css (expiration not specified) http://dlang.org/images/dlogo.png (expiration not specified) http://dlang.org/images/gradient-red.jpg (expiration not specified) http://dlang.org/images/search-bg.gif (expiration not specified) http://dlang.org/images/search-button.gif (expiration not specified) http://dlang.org/images/search-left.gif (expiration not specified) http://dlang.org/js/codemirror.js (expiration not specified) http://dlang.org/js/d.js (expiration not specified) http://dlang.org/js/hyphenate.js (expiration not specified) http://dlang.org/js/run-main-website.js (expiration not specified) http://dlang.org/js/run.js (expiration not specified) Minifying the following JavaScript resources could reduce their size by 46.2KiB (18% reduction). Minifying http://dlang.org/js/codemirror.js could save 36.8KiB (33% reduction). Minifying http://dlang.org/js/run.js could save 4.7KiB (30% reduction). Minifying http://dlang.org/js/hyphenate.js could save 2.7KiB (5% reduction). Minifying http://dlang.org/js/d.js could save 1.4KiB (24% reduction). Minifying http://translate.googleapis.com/.../element_main.js could save 512B (1% reduction) after compression.

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