How to Fix Render-Blocking JavaScript and CSS in WordPress

As developers, much of our time is spent fixing problems. In the past, I would use console. Just sprinkle them in my code, and hope that they give me enough information to fix the problem. But just like surgeons have scalpels, we have better tools available for us too:
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Different Web Browser JavaScript is one of only a few programming languages designed for the development of web pages. JavaScript errors on the other hand are essentially bugs within the code of a specific web page. HTML is used to handle a variety of things such as tables, font styles, images etc, with additional functions added to the fray, over the years. The introduction of JavaScript by Netscape enabled webmasters to be able to increase the functionality of their websites without requiring the programming skills to do so.

Over the years, this language has evolved, successfully establishing itself as a standard, much like HTML, with all web browsers today supporting it. However, as with the normal modes of progression, internet technologies has evolved quite substantially over the past decade, which has led to the development of more complex websites; unfortunately, this puts a much undesired strain on JavaScript. To combat this issue, portions of the code are thus offloaded to a server, rather than being run directly from the end users computer.

JavaScript is a web development platform that is run locally and is used heavily by a great many websites for the purpose of enhancing their user experience.

Although there are many websites that communicate directly with a server in order to retrieve data, this mode of communication is very slow and susceptible to intermittent performance. JavaScript is not infallible, as it exhibits the same flaws as every other programming language. Bugs are fairly common and typically lead to the failure for programs to start.

The good thing about it however, is that in the event that there is program failure, this incident is usually isolated to a specific portion of a web page, and not the entire website itself. The Types of JavaScript Errors There are two different kinds of JavaScript errors that you are to encounter while surfing the internet.

The first kind is the Syntax Error. Syntax Errors are related to spelling issues within the code of a script. Web pages that have syntax errors on them typically do not display as initially intended. The runtime error is the second kind of JavaScript error; it occurs when a script is unable to perform its predetermined function. These types of errors hinder ones user experience, as it prohibits you from accessing segments of a website. Before attempting any other repair method, you must first ensure that JavaScript has been enabled on your web browser, to do this, follow the simple instructions below.

Internet Explorer 1. From Control Panel, double click on Internet Options. Mozilla Firefox 1. First log into your computer with administrative rights. Then click on OK. This test will check to see whether or not JavaScript is running correctly on your machine. To run the JavaScript test, simple click on the following link: To delete your temporary internet files, follow the instructions on my post dealing with low disk space.

As a precautionary measure, to prevent future JavaScript errors, you may want to set your OS to automatically empty the temporary internet file folder every time you close your web browser. In order to do this, simply follow the instructions below. First, log into your computer with administrative rights. From the Control Panel, double click on Internet Options.

Once Internet Properties loads up, click on the Advanced Tab and scroll down to the Security section and check the box next to Empty Temporary Internet Files folder when browser is closed.

Then click on Apply and OK. Clean the Registry of Errors There are instances when JavaScript errors may be due to a corrupt registry. For more information on this excellent registry repair tool, visit here: In order to resolve this problem, you have two options. Internet Explorer To turn off the built in popup blocker, do the following.

First, double click on your Internet Explorer Icon, to load up your browser window. To decrease your blocking level, do the following. Double click on the Internet Explorer Icon on your desktop to load up your browser window. Block most automatic pop-ups or Low: Allow pop-ups from secure sites. Then click on Close. Anyway, to disable the pop-up blocker, simply do the following. First, load up Mozilla Firefox by doubling click on its desktop icon.

This will load up the Options applet, from here, click on the Content Tab and then uncheck the box next to Block pop-up windows, and click on OK.

Try a Different Web Browser Different web browsers tend to interpret and externalise code on a web page differently. Where one browser may find an error on a specific page, another may not. However, if there are any specific JavaScript errors that you would like clarity on, you can always come back here or check out my various other guides. Please leave a comment, and share this tutorial with your friends and family members. Posted in: Errors Are you looking for a way to repair all the errors on your computer?

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Learn About JSON

If you test your website on Google PageSpeed insights, then you will likely see a suggestion to eliminate render-blocking scrips and CSS. This means that users on a slower connection will have to wait a few milliseconds more to see the page. Website owners who are trying to achieve the Google PageSpeed score of will need to fix this issue to attain that perfect score. What is Google PageSpeed Score?

VIDEO: Adobe Licensing Repair Tool

Windows Repair is a utility that contains numerous mini-fixes for AdwCleaner is a free program that searches for and deletes Adware. There’s several Javascript Repair tools which seem to be available for download, though none are listed on CNET, which I know is safe. Download Enable Javascript Repair Tool Compatible: Windows XP, Windows Vista, Windows 7 Smart Javascript Error Fixer Pro – Free Download – Tucows.

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