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When starting with a web design project, you have a single page and more manageable website and it allows you to spot any mistakes. Then you add some more pages, still spotting the mistakes is easy. As you keep on adding more pages and features to your website, it keeps on becoming more difficult to find out if there is actually anything that needs improvement. This is where the testing comes into play. Usually it takes a QA or developer to keep checking pre defined actions to ensure that everything is working as it should. However, now it has become easier and simpler with the advent of automated testing. As the name suggests, automated testing involves the use of automated system for running the tests.

Unlike the tools available for JavaScript, which are plenty, the testing tools for CSS are limited. And the prime reason behind this is that CSS is quire difficult to test as it is not driven by instructions like PHP or JavaScript. However, it is not impossible and mentioned below are a few tools that you can used for carrying out automatic testing of CSS.

Syntax Checking

syntex Checking tool

Although it might seem like a trivial thing, but is proves really helpful when you are stuck with plenty of codes and cannot decide which ones you actually need. Most of the code editors offer inline checking of syntax, which can be either installed via plug-in or built-in. However, if you would like to use it along with command line, then you should automate this. And for this you can take the help of a very well-known testing tool, which is CSS Lint. Along with performing a number of other functions, it also offers syntax checking with command line.

CSS Lint

CSS Lint Tool


It can be easily installed from various online resources. Once you are able to run it, you will be required to check the CSS and provide directions to CSS Lint as where it should look. CSS Lint can be a highly useful tool, however it depends on the individual opinion and what you feel about CSS which is object oriented. A crucial point to remember here is that it is fully configurable. If you do not wish to make use of any linting rules provided in it, it is still possible to avail the benefit of syntax checking.

Image diffs

Image Diff Tool

CSS testing tools are designed to focus on either of the two prominent techniques, one amount which is the Image Diff Comparison. This tool works exactly like the way a developer works to check any changes on website by taking a look at them. Once a page is made, a screenshot is taken. Similarly, after making every change, you would take a screenshot and then compare it with the previous one. If two are similar, then its good. In case there is some difference, then you a careful look is required to ensure everything is as expected. This tool makes this process automated as it manages screenshot taking, version comparing and evaluating the result.


Phantum CSS tool


Built along with the highly powerful and well known PhantomJS project, it is another testing tool. PhantomJS offers a version of the WebKit which can be run from command line, while being controlled through JavaScript. PhantomCSS uses this as basis while performing image difference testing. Between these two, there is another layer which has been designed for either simplifying or complicating things. This layer is called CasperJS, which is actually abstraction layer and it stays on thee top of the PhantomJS. However, it comes integrated with the PhantomCSS, which is actually a good thing.


Miracle Studios Digital Agency

10 years Experience, Over 1000+ projects Completed. Do it right, the first time.

Visit Website
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