Site owners will get lower bandwidth costs as less data is transmitted over the network.Site visitors will have an identical user experience without having to download bigger files, and.Site visitors will be able to load and access your pages faster,.Smaller files means the total download size of your site is reduced,.Having a fast website not only makes Google happy – and helps your website rank higher in search – but it provides a better user experience for your site visitors. Why You Should Minify Your HTML, CSS and JavaScript Files After minification, the web server uses the smaller minified – and much faster – files in place of the original ones, resulting in lower bandwidth without sacrificing functionality.Īs SEO expert Yoast explains, minifying files can save up to 30-40%, or even 50% of file size in some cases. Minification is performed on a web server before a response is sent. See how much more compressed the code is? Minification works by analyzing and rewriting code to reduce the overall size of your files, thereby reducing the total size of your site so it loads faster in the user’s browser.įor example, here’s some CSS you might find in a stylesheet:Ī:link Minification is a programming term that basically means removing any unnecessary characters that aren’t required for code to execute. That’s where minification comes into the picture. So when they come across these unnecessary characters in website files they ignore them. The problem? As humans, we write the code contained in these files so we can read them, but computers don’t care about characters like comments, formatting, white space and new lines. If you test your site speed with Google PageSpeed Insights, you might get the recommendation to minify your HTML, CSS, and JavaScript files. Websites are made up of a lot of different files. In this post, we’ll explore what minification is, its benefits, and some of the more popular minification solutions available – both manual and plugins – to help point you to the right solution for your site. While there are many solutions available, how they behave will vary from site to site depending on what theme and plugins you are using. Minification often requires a lot of experimentation. But the reality is, it frustrates many site owners no end when they attempt to minify their files and end up breaking their site. Minification is a simple concept that is often recommended as a step towards speeding up your website. Java is a registered trademark of Oracle and/or its affiliates.How to Minify Your WordPress Site’s CSS, HTML & JavaScript For details, see the Google Developers Site Policies. ResourcesĮxcept as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 4.0 License, and code samples are licensed under the Apache 2.0 License. To use a build process to do this minification up-front if possible. Site by concatenating, minifying, and compressing your styles. You can check this with the React Developer ToolsĪ number of WordPress plugins can speed up your If your build system minifies CSS files automatically, ensure that you are There are also templates that provide this functionality. To speed up your site by concatenating, minifying, and compressing your CSSĬan speed up your site by concatenating, minifying, and compressing your css You can also configure more advanced aggregation options Stack-specific guidance DrupalĮnable Aggregate CSS files in Administration > Configuration >ĭevelopment. Learn how to minify your CSS code in Minify CSS. This is usually accomplished with a build tool like Gulp or Webpack. You probably want to set up an automated workflow that minifies your CSS automatically You paste your CSS into the service's UI, and it returns a minified version of the code. You can probably use an online service for manually minifying your files. Use a CSS minifier to minify your CSS codeįor small sites that you don't update often, You may see more savings than what Lighthouse reports. Minifiers can perform clever optimizations (such as reducing #000000 to #000) On the comments and whitespace characters that it finds in your CSS. Lighthouse provides an estimate of potential savings based Some minifiers employ clever tricks to minimize bytes.įor example, the color value #000000 can be further reduced to #000, Minifiers can further improve byte efficiency by removing whitespace: h1, These 2 code samples are functionally equivalent, For example: /* Header background should match brand colors. Minifying CSS files can improve your page load performance.ĬSS files are often larger than they need to be. When these files are minified: How minifying CSS files can improve performance The Opportunities section of your Lighthouse report listsĪlong with the potential savings in kibibytes (KiB)
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