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Asynchronous and Deferred JavaScript to Increase Website Speed Make Your Site Faster with Async and Deferred JavaScript. Before you proceed, look for fastest web hosting companies as this matters the most when it comes to web page speed. Every business is in the market today is creating a niche in the online market through websites. The online market has an infinite power to make your business successful when properly utilized. Websites today are making use of JavaScript in social media buttons, plugins and even themes. Unfortunately, scripts bog down your website’s speed. Let us begin with the definition of terms: A parser is your HTML in loading state The time that your script is being loaded to life is referred to as the net The time your script is brought to life in your user’s browser is referred to as execution Ordinarily, a website pauses the HTML parsing while the scripts are executing. Therefore, there will be a delay before users your HTML in terms of design, content etc. Deferring your script defined Increase Website Speed Simply put, deferring your script is letting all the HTML load on your user’s browser before the execution of the tasks begins. Your website will in fact appear on the user’s web browser which seems to show that your website has a fast loading speed. A deferred script is most useful when some of your users do not use browsers that support asynchronous script loading. Asynchronous loading of scripts to Increase Website Speed CSS and JavaScript files can either load synchronously or asynchronously. For the former, the file load one at a time while for the latter some load simultaneously. Clearly asynchronous loading increases website speed. This is the best choice. Under asynchronous loading, HTML parsing and script loading go on but the scripts will only be executed when it’s ready. This takes up the least amount of load speed. Unfortunately, it is no all browsers that support asynchronous script loading. The best way to optimize your website speed is to by both deferring scripts and synchronous script loading. When using these two attributes, there are three possible modes, including: A Present async attribute means that the script will be executed asynchronously as soon as it is available If the async attribute is absent but the defer attribute is present then the script is executed when parsing of the website is completed When neither attribute is present, the script is immediately fetched and executed before the user agent continues parsing the page Important note to Increase Website Speed Defer and async tags are available for external scripts only. These are scripts with the src”” tag. Defer and async tags will be ignored for any use in internal scripts. Internal scripts are like … tags. Without a doubt, the asynchronous JavaScript is the best choice. When your website loads in a multi-streamed way, your website becomes much faster. Understanding asynchronous and deferring JavaScript may be a mouthful for a non-developer or one without coding knowledge. Fortunately, there are avenues that any regular website owner can use to ask for help. The most effective is to choose the right web host. Most web hosts have 24/7 helpline services which make it easier for any website owner to access help. For our customer service click here… Be sure to implement this asynchronous and deferring JavaScript option for your website to load much faster and for you to give your website visitors the best experience. Again, web site speed very much depends a lot on your web hosting company. Seek out for fastest web hosting companies.