Introduction

Site Performance, Core Enhancements, SEO & Metadata, Performance, Site speed

Are you ready to be compliant to Google Core Web Vitals? JSpeed is the professional solution to speed up your website performance and make Google happy increasing the PageSpeed Insights and GTMetrix rank in a snap! We also offer the complete 'Joomla Speed Performance Service' https://storejextensions.org/articles/joomla-speed-performance-service.html, you can provide an admin account to our expertise team for a free test installation and configuration of JSpeed on your website!


Google rolled out the new "Speed" report within the Google Search Console to confirm that the speed factor is more and more important for the ranking of a website.
The Google PageSpeed score assigned to your pages is now crucial, a score of 90 or above is considered fast, and 50 to 90 is considered moderate. Below 50 is considered to be slow.

JSpeed increases performance of your website by applying automatically several improvements as suggested by Google PageSpeed best practices. By installing the plugin you can reach up to a doubled score during the Google PageSpeed and GTMetrix test.

JSpeed is the most powerful Joomla performance plugin that implements unique technologies such as Adaptive Contents™ that makes it possible to generate a lightweight version of the website to dramatically raise up the page speed score without losing website functionalities.

JSpeed functionalities include:
•Scripts minification: Javascript can be minified to reduce the total scripts size and save bandwidth

•Stylesheets minification: CSS can be minified to reduce the total CSS size, save bandwidth and extract the 'Above-the-fold' CSS

•HTML minification: The HTML source code can be minified to reduce the total page size and save bandwidth

•Combine multiple JS and CSS files: Javascript and CSS can be combined in single files to minimize the HTTP request overhead

•Adaptive Contents™: This technology makes it possible to generate a lightweight version of the website to raise up the page speed score up to the max value also for mobile without losing website functionalities

•Instant Page technology™: Instant Page uses just-in-time preloading. This feature, compatible with both desktop and mobile devices, preloads a page right before a user clicks on it

•Auto configuration and integrated Google PageSpeed™: The plugin is capable to find the optimal configuration automatically and integrates the Google PageSpeed test

•Defer and preload of assets: CSS, JS and Web Fonts can be loaded in defer, async or preload mode

•Lazy-load images: Images and iframes that are out of view can be lazy-loaded only when the user scrolls down the page to display them

•Lazy-load HTML elements: Heavy HTML parts that slow down the LCP can be easily lazy-loaded

•Images optimization: Large images can be rescaled, resized and optimized on the fly to dramatically reduce the page size and bandwidth

•Optimization of background images: JSpeed is capable to optimize also images that are set as a background through HTML and CSS styles

•Lossless optimization: Large images in PNG and JPG format can be optimized on the fly using a lossless algorithm

•Srcset creation for images: JSpeed is capable to automatically create an image srcset using up to 4 differently-sized images for various resolutions

•Images conversion to WebP and AVIF: Images can be converted in realtime to the WebP and AVIF next generation format

•Assets removal: It's possible to remove CSS/JS files and Fonts to avoid the loading of unnecessary resources

•Htaccess optimization: A series of optimizations can be applied to the htaccess file in order to leverage the browser caching

•Combine images: It's possible to generate a single container image for multiple backgrounds applied through CSS

•HTTP/2 optimizations: JSpeed works with HTTP/2 compatible servers to enable server push

•CDN support: Links for all assets can be automatically rewritten to point to your CDN domain

•Fix conflicts easily: JSpeed integrates a powerful exclusions system to fix conflicts due to minification of scripts


Product features to increase the score in Google PageSpeed:


-Scripts and CSS minification: Javascript and CSS files can be minified to reduce the total scripts size and save bandwidth

-HTML minification: The HTML source code of each page can be minified to reduce the total page size and speed up the loading time

-Combine assets: Javascript, CSS and images can be combined in single files to minimize the HTTP request overhead

-Adaptive Contents™: Generate a lightweight version of the website to raise up the score

-Instant Page technology™: This feature preloads a page right before a user clicks on it thanks to just-in-time preloading

-Exclusions system: JSpeed integrates a powerful exclusions system to fix conflicts and issues due to minification and optimizations

-CDN rewriting: If you own a CDN links for all assets can be automatically rewritten to point to your CDN domain

-Images optimization: Large images can be rescaled, resized and optimized on the fly to dramatically reduce the total page size and bandwidth usage

-Lazy-load assets: Scripts, CSS, images, iframes and HTML elements can be lazy-loaded only when really needed to avoid render blocking resources and improve the LCP

-Total cache usage: JSpeed makes intensive use of the cache for all kinds of assets to load them very quickly

-HTTP/2 support: JSpeed works with HTTP/2 compatible servers to leverage preload of assets by the browser

-Htaccess optimizations: JSpeed is able to apply optimizations to the htaccess file in order to leverage the browser caching

Functionality
One of JSpeed’s standout features is its ability to manage and optimize website assets like CSS, JavaScript, and images. It automatically compresses and minifies these resources, reducing their size and significantly improving load times without compromising on quality.
Ease of use
Installing JSpeed is a breeze. With just a few clicks, it integrates seamlessly into your Joomla backend, allowing you to start optimizing your site without needing any technical expertise. The user interface is clean and intuitive, making it accessible for beginners while offering powerful features for advanced users.
Support
I use many joomla extensions and can say John goes the extra mile with setup and ongoing help.
Documentation
Good guide to setup the plugin and is easy to understand, but the initial install is very easy and if you require assistance help is at hand
Value for money
Great value this extension allows you to do so many things in one package saving time and money
I used this to: Provide an easy platform to speed up my site, with the extension providing the ability to tweek many points as you progress with your requirements. The extension also allows you to access a CDN without expertise.
Functionality
It does exactly as John says, it has improved the page speed dramatically.
Ease of use
Straight forward and easy to use. Simple to navigate and descriptions for all settings.
Support
John is great, he installed the plugin before I purchased and help set it up, once the trial was installed I bought the plugin straight away
Documentation
Simple guide to go with the plugin but is straight forward to understand.
Value for money
Absolute value for money! It has saved hours of work trying to get anywhere near the results.
I used this to: My clients websites to help the speed of their sites, to improve the PageSpeed Insight score and therefore improving the search console scoring.
Functionality
Its functions are many and together make the extension highly effective in improving site performance.
Ease of use
John offered to install the plugin so we can learn about it before purchasing, but I believe it is easy.
Support
Quick and attentive support. Installed the plugin and performed fine adjustments.
Documentation
Great detailed documentation on the website through FAQ and PDF manual.
Value for money
My Brazilian currency is shit, but it's worth every penny. Imagine if my currency was 1 to 1? I wouldn't think twice.
I used this to: I use the extension to improve Joomla website performance and achieve top scores in PageSpeed ??and GTMatrix.

The "Fabulous John"



Posted on 01 August 2024
Functionality
It is incredible how this plugin can bring such a radical change to a website. It produced a +50% speed score improvement.
Ease of use
It has a very intuitive interface that even an amateur like me could adapt.
Support
Incredible! I don't know how John manages to be so fast and always available. That's why I put the title to this review the "Fabulous John"
Documentation
Value for money
Great! Best 50 euros I ever invested! Excellent page speed performance!
I used this to: To improve my 46 Google speed score page. I couldn't be more satisfied!
Functionality
Works exceptionally well. I was able to improve my mobile performance score from 35 to 83 and I still havent finished testing, desktop is 94
Ease of use
Easy to install, I like the admin dashboard and the tooltips are very informative.
Support
I had an issue with a best practice error. Not the fault of the plugin. I contacted support and the same evening I had a solution from them.
Documentation
I have the pdf downlaod on hand and have used already. Very clear.
Value for money
Excellent, not sure what else to add since this field needs 64 characters!!
I used this to: Improving my website core web vitals and pagespeed insights performance score. This most definitely works very well, I'm very happy with it. I have been using J!Extensions Store software for 10 years.
Functionality
Super product aanrader, contact gezocht en verder goed geholpen. Zelf alleen hoeven downloaden.
Ease of use
Zelf alleen hoeven downloaden eigenaar heeft de juiste instellingen erin gezet. Contact gezocht na het lezen van een review.
Support
Documentation
Value for money
Prima prijs kwaliteit verhouding, had alle service niet verwacht voor dit geld.
I used this to: De snelheid van de website. Zelf geen verstand ervan daardoor lastig in te stellen

Great extension



Posted on 21 June 2024
Functionality
Jspeed significantly boosts website speed, effectively blocking ads and trackers for a smoother online experience.
Ease of use
Installing and customizing Jspeed is straightforward, making it accessible for all users.
Support
Jspeed offers prompt and helpful customer support, enhancing user satisfaction.
Documentation
Comprehensive guides aid in understanding and optimizing Jspeed's features.
Value for money
Jspeed delivers excellent performance enhancements for its price.
I used this to: To speed up loading times on large websites, improving efficiency.
Functionality
all included: Scripts minification, Large images can be rescaled, resized and optimized on the fly and many, many more
Ease of use
website audit and installation was done by John and I had literally nothing to do
Support
great, I got one questions during the test phase and it got corrected within hours.
Documentation
I had no need to look into it, because I got what I wanted 40 -> 98
Value for money
nobrainer, the website audit and installation by John was done in a few hours
I used this to: I tried so hard to optimize manually for a better Google Pagespeed Score.
John installed JSpeed and I got from 40 to 98
Functionality
This extension does more than you might ask of it. The insights it provides and its functionality surpass all expectations. Top notch!
Ease of use
I feel a bit mean giving the extension only four stars. Truth is, I struggled setting up, but John stepped in and sorted it all for me.
Support
Faultless, John's support was hassle-free, responsive, and helpful in the extreme. I was also offered a free trial.
Documentation
The documentation is good, but it's my skills that are lacking; just one reason why I like this extension- it does stuff I can't.
Value for money
Good, and that's coming from someone who doesn't like to spend money- worth every penny!
I used this to: Improving page speed (dramatically): Modifying scripts, stylesheet, and HTML, combining JS and CSS, and optimising images.
Functionality
If you've tried to decipher the results of a PageSpeed scan this will solve your problem. You will see a dramatic improvement on every site.
Ease of use
I experimented between the six Auto Configuration settings and settled on the Optimal scheme. On on site I went from mediocre to 96 & 99.
Support
I had a problem with Images Optimization that turned out to be an issue with .htaccess settings. Received a prompt response to my question.
Documentation
I read almost the entire doc before installing, which helped me understand what Google was measuring and how the program works.
Value for money
Almost instant gratification to see the noticeable performance improvement on every site.
I used this to: To improve the response time of every website, and to help SEO results in the future if Google actually uses PageSpeed results as a factor.
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JSpeed

Version:
2.8.1
Developer:
J!Extensions Store
Last updated:
Sep 25 2024
1 week ago
Date added:
Jan 07 2020
License:
GPLv2 or later
Type:
Paid download
Includes:
c m p
Compatibility:
J3 J4 J5
Download

Uses Joomla! Update System

Score:


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