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Check for active LESS plugin with new Watchful App


The loading time of your website is becoming an ever-increasing factor in the ability of your website to keep your visitors attention and is also used to rank your content in search engine results.

Thus, it is important to remove or disable any development tools before launching your website that are not required for the operation of the site and could impact page load times.

To help address this problem, today we announce the immediate availability of the LESS Checker App.

What is LESS?

LESS is a dynamic stylesheet language that greatly extends the power and flexibility of CSS allowing for your website styles to be more maintainable, themable and extendable. As such, LESS has recently become very popular with website developers and template vendors.

However, unlike HTML and CSS, LESS files cannot be read directly by your browser. It must first be processed on your webserver to produce the static CSS files your template is expecting when rendering your website.

These CSS pre-processors are called LESS compilers. When you are developing your website, it is convenient to run the LESS compiler on every page load of your website so changes you make to your LESS file(s) are reflected in real time.

Once development is complete however, it is most desirable to disable the LESS compiler to reduce the server resources required to load your website and thereby minimize page load times.

LESS compilers and Joomla

The most popular LESS compiler for Joomla is the aptly-named Less Complier.

LESS Compiler is installed like any extension and runs as a system plugin.

It is quite common for end users to install this plugin during development — or activate it when making a style change on your website — and then forget to disable it once their website launches.

LESS Checker

The LESS Checker App simply scans your website to see if the LESS Compiler plugin is active or not.

If an active LESS Complier plugin is detected on 2 consective validations via Watchful (automated or manual validations), a notification will be sent via your Watchful account and an entry added to your Watchful logs.

Using the LESS Checker App

Like all Watchful Apps, Watchful users can download the LESS Checker free of charge and install on any or all of their Joomla websites using the Remote Installer in your Watchful Dashboard. It can also be installed directly in your Joomla administrative backend.

Once the App is enabled, no other action is required.

For full details and downloads, see the LESS Checker entry in our Knowledge Base.


Enoch Lavender
Watchful provides a clear-cut overview of my web sites, enabling me to easily keep them up-to-date with the latest Joomla/components updates as I choose. If I need support, their support is quick and effective. Enoch Lavender /

Why use Watchful?

You manage your websites manually.

You manage your websites manually.
We started like that! But our spreadsheets and reminders quickly became very complicated. We designed Watchful to simplify website management and actually make it pleasant experience.
Kristoffer Sandven saves me from manually monitoring dozens of websites - I can keep them updated with just a few clicks from a single, slick interface!
Kristoffer Sandven /

Learn more about Remote Installer

You don’t check your websites for security problems or backups.

You don’t check your websites for security problems or backups.
Watchful helps you monitor industry-accepted best-practices and potential security issues. And if a problem arises, Watchful’s customer support is there to help you understand the problem and advise you on possible solutions.
Joe Sonne
Using Watchful is far better than having to deal with a hacked website because a site fell behind in security updates.
Joe Sonne /

Learn more about Site Audit

It takes you days to update all your sites.

It takes you days to update all your sites.
Logging into websites and individually applying software updates is time-consuming and error-prone. With Watchful, we let you know what updates are available and help you apply updates across all your sites at the same time.
Jonathan Frewin
Watchful cut my monthly [maintenance] time down from days to hours.
Jonathan Frewin /
Learn more about Backup Manager

You don’t offer maintenance plans for your customers.

You don’t offer maintenance plans for your customers.
Maintenance plans are a key way most agencies generate recurring revenue and keep in regular contact with their clients. With Watchful you can offer professional maintenance plans and deliver white-label reports to show your clients the value of your work.
Martijn Boomsma
Watchful keeps us on track with updates and maintenance tasks so our clients sites are always monitored and up-to-date.
Martijn Boomsma /

Learn more about White-Label Reports

You use WordPress and Joomla! in your agency.

You use WordPress and Joomla! in your agency.
Watchful works seamlessly with the two most popular website softwares: Wordpress and Joomla. And the list of supported applications is growing.
Matthew Philogene provides a great overview of all our projects. Great support, great tools, cannot live without!
Matthew Philogene /

Learn more about Multi CMS dashboard

Watchful News and CMS Blog

WordPress support officially launches for Watchful - the webmasters toolbox

24 March 2017 / News

Effective immediately, Watchful now officially supports backups, updates, monitoring, and maintenance for websites powered by WordPress.

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14 March 2017 / News

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