Introduction

Core Enhancements, Performance

If async is not present and defer is present: The script is executed when the page has finished parsingIf async is present: The script is executed asynchronously with the rest of the page (the script will be executed while the page continues the parsing)

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Improve your page loading time by allowing javascript loading asynchronously
You will see the difference with YSlow and Google Page speed ranking but your visitors will thank you for providing a speedy website.

When a browser loads a webpage, it will start by loading external Javascript and CSS ressources before loading the html and render it's content.

  • If neither async or defer is present: The script is fetched and executed immediately, before the browser continues parsing the page

This will improve your global page loading time

However, this is not applicable to all scripts as you want to make sure the script is loaded while some other script or inline script will call it.

Usually, if your jQuery inline scripts are called within a jQuery(document).ready() declaration, you can safely load the javascript file asynchronously.

100

Yes, it works!


Posted on 28 February 2018
100
Functionality

I came happily here to say that the improvement in Google PageSpeed Insights was significant! Now my score is fully green.

100
Ease of use

Can't be simpler.

100
Support

Not needed.

100
Documentation

Not needed.

I used this to: Make my websites have a better score in Google PageSpeed Insights, GTMetrix etc.
100

Perfect


Posted on 06 November 2016
100
Functionality

As described. Improved speed.

100
Ease of use

Only few controls.
Files should be added manually.
Care needed regarding proper usage of file paths.
Consider automated process next version

100
Support

Not needed. Email and contact form provided. Forum n/a.

100
Documentation

Short and precise. See home page.

I used this to: Small site with news and lot of pictures.
100

Good


Posted on 05 July 2016
100
Functionality

Good

100
Ease of use

It took me awhile to get the paths down of the files. So here is how you have to put them in:
/media/jui/js/bootstrap.min.js

100
Support
100
Documentation
88

Works as described


Posted on 26 January 2016
100
Functionality

This plugin works exactly as described. PageSpeed and !YSlow score immediately went to 100% rating after activating and configuring.

100
Ease of use

Simple to use, activate plugin and add the links to the scripts being loaded by your site.

75
Support

Support was not needed even though the documentation is self explanatory.

75
Documentation

Documentation should probably tell the lesser advanced users where they can look in HTML source to view scripts being loaded by Joomla.

I used this to: Deferring and Asynchronously loading scripts on my site.
98

Help on how to configure


Posted on 12 October 2015
100
Functionality

Hello, i downloaded and installed plugin pretty easy, fast and accessible

100
Ease of use

Its easy to use, but i need some help on how to manually configure it, i mean i enable the 2 options but still i dont know which scripts add

100
Support
90
Documentation

I hope you make a tutorial on how to use it for the non experts

I used this to: defer parsing java
100
Functionality

Works as expected!

100
Ease of use

Easy to setup, just needed to specify paths to javascripts that should be "asynced."

100
Support

The developer were very helpful when I had an issue with making the plugin work, and the problem got easily resolved based on his advice.

95
Documentation

Ok, could me some more information on troubleshooting.

I used this to: Making a bunch of javascripts load asynchronously, hereby enhancing the speed of my site.
96

It simply works


Posted on 15 August 2015
89
Functionality

The plugin is not activated when installed, you have to do that manually, but that does not matter, as it wants to be configured anyway

100
Ease of use

It's simple and straightforward, not a big deal when it comes to make it work.
Full mark, says I.

100
Documentation

Is kept to a minimum - you've got to realise that you have to enter paths to you JS files without th single quotes around them.

I used this to: Used for several J!3.x sites to get better GTmetrix (and possibly Google) results. Especially when you have a load of JScript, it boosts 'Defer parsing of JavaScript' in Page Speed to near 100%
100

Thank you


Posted on 20 June 2015
100
Functionality

Works well - google improved

100
Ease of use

Very Easy

100

I've been having problems with defer parsin of JavaScript for some times and once installed this plugin and included the JS files, the problem disappeared instantly and without breaking the site! Thank you for this great extension and for making it FREE!

So I had the most annoying issue a white flash on page load, this looked worse because the background was black. I tried using so many of the top rated jquery and optimzation plugins, but none of them worked. Then I came across this plugin, it worked on every page. I set the plugin to defer loading and took the time to find all the urls of my javascript files and hey presto, no flash!!!! I was able to user relative paths for locally hosted scripts and absolute paths for offsite scripts, being able to use relative paths for local scripts was essential as I am working on a dev version of the site and will be migrating it shortly. Thank you so much for creating a plugin that is really simple to use and does the job!

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Javascript Async and Defer

Version:
1.0.1
Developer:
Jeremy Magne
Last updated:
Jan 25 2016
Date added:
Nov 19 2014
License:
GPLv2 or later
Type:
Free download
Includes:
p
Compatibility:
3
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Uses Joomla! Update System

Score:


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