![]() ![]() □ Want to know more about Lighthouse? Read our article on how to improve your Lighthouse performance score! And a worse page loading time is no good for users, too. It’s easy to see how important it is and why removing unused JavaScript is essential.Īs we explained, unused JavaScript can affect how fast the browser renders and loads the page. TBT metric accounts for 25% of the Lighthouse performance score. Total Blocking Time (TBT) replaces FID as the Lighthouse metric determining the page’s interactivity based on user input. The First Input Delay measures a page’s responsiveness by taking into account the user interaction - therefore, it can only be calculated on the field. The main metric involved is the First Input Delay (FID), one of the Core Web Vitals metrics. The unused JavaScript files can hugely affect your site’s performance and user experience. They’re in the code, but they’re not used anymore.The same goes for themes and page builders that heavily rely on JavaScript. Otherwise, the impact of the JavaScript files will be heavy on performance, and there won’t be another easy way to fix the issue. That’s why you should be careful and load them only on the essential pages. All plugins load scripts that are mainly based on JS. On a side note, that’s also why you should eliminate the JS and CSS render-blocking resources that slow down the page’s loading.Ī typical example of such JS files is third-party code, such as Google Analytics and Facebook tracking codes.Īnother helpful example for WordPress users is using plugins only when needed. To load the page faster, the browser should analyze and render only the essential resources – mainly HTML code. They’re not part of the above-the-fold content - the most important content that needs to be rendered. ![]() Unused JavaScript files are resources that are not needed for rendering the page - that is, to load and display the main content of the page. How to Make Fewer HTTP Requests on WordPress and Speed Up Your Site.Critical CSS in WordPress: What It Is and How to Optimize CSS Delivery.How to Defer Parsing of JavaScript in WordPress (Manually and with a Plugin).How to Reduce the Impact of Third-Party Scripts on WordPress.The 13 Critical Website Performance Metrics Worth Monitoring.How to Improve Time to Interactive (TTI) on WordPress.10 Proven Ways To Improve First Contentful Paint (FCP) in WordPress.How to Reduce Total Blocking Time (TBT) on WordPress.How to Speed up Your Mobile Site on WordPress (11 Performance Best Practices).How to Improve the Lighthouse Performance Score For Your WordPress Site.How to Optimize Your WordPress Site for Speed & Performance.How to Test Your WordPress Site Performance and Measure Speed Results. ![]()
0 Comments
Leave a Reply. |
Details
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |