By making these connections ahead of time, your page won't have to linger on partially loaded main content to serve images or other resources to site visitors. You can also preload external resources like CSS and JavaScript using code like this:
This will ensure they load at the beginning and avoid blocking content from loading completely. Other ways to optimize CSS and JavaScript include "minifying" (removing unnecessary characters) from stylesheets and scripts, removing unused code, and moving code that is not needed for the initial page load to preloaded resources. For the most critical code, consider adding it inline. Google recommends using CSSnano and CSSo to minify CSS, and UglifyJS to minify JavaScript. You can also use HTML Minifier luxembourg mobile database to minify HTML. Google Chrome DevTools has a Coverage feature that analyzes the use of CSS and JavaScript on a page. It identifies code that can be offloaded to preloaded resources, assuming it is not used by something in your technology stack. Signed Exchange for Good (SXG) allows websites to authenticate content delivered from their domain through a third party. Google has partnered with Cloudflare to create AMP Real URLs, which allows publishers to display the original URL of their content on AMP content based on Google Search results. Websites that receive traffic from search will see a boost in LCP after implementing SXG. Other ways to improve LCP are to optimize and compress any text files, images, videos, and block elements used on a web page. Consider images inserted into the HTML of a page as well as images used in backgrounds or design elements in CSS or theme files.