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Tools quality assurance for websites

Quality assurance is an important step in the website development process and, by all means, should not be skipped. A broken link or a misspelled word may seem like trivial mistakes, but they can greatly undermine the credibility of your website. You want people who visit your site to feel confident about the quality of the information they find.

Your company should come up with its own set of guidelines to follow while conducting quality assurance testing. The guidelines should address editorial, graphics, and coding conventions. After the site has been built, it should be put through a rigorous post-production process. Finally, there should be a provision for user feedback, which can influence the ongoing maintenance of the site.

Some areas to cover in your own quality assurance checklist include:

1. Content

  • spelling, grammar, mechanics
  • all critical information is present
  • titles, headers, and navigation labeled correctly

2. Documentation

3. Graphics and layout

  • image quality
  • download time
  • text layout
  • alignment of elements
  • color accuracy

4. Browser compatibility

  • check on different platforms
  • check on different browsers

5. User preference compatibility

  • font size
  • link colors and underlining
  • plug-ins
  • window size

Some imaportant quality assurance tools


PHPUnit is the de-facto standard for unit testing in PHP projects. It provides both a framework that makes the writing of tests easy as well as the functionality to easily run the tests and analyse their results.


phploc is a tool for quickly measuring the size of a PHP project.


phpcpd is a Copy/Paste Detector (CPD) for PHP code. It scans a PHP project for duplicated code.


phpdcd is a Dead Code Detector (DCD) for PHP code. It scans a PHP project for code that is no longer used.


pdepend can generate a large set of software metrics from a given code base. These values can be used to measure the quality of a software project and they help to identify the parts of an application where a code refactoring should be applied.


phpmd scans PHP source code and looks for potential problems such as possible bugs, dead code, suboptimal code, and overcomplicated expressions


phpcs tokenises PHP, JavaScript and CSS files and detects violations of a defined set of coding standards. It is an essential development tool that ensures your code remains clean and consistent. It can also help prevent some common semantic errors made by developers.


bytekit-cli provides a command-line tool that leverages the Bytekit extension to perform common code analysis tasks on the PHP bytecode level.


phpanalysis is a tool that can be used to spot various kinds of mistakes in PHP applications.


Padawan implements PHP AST-based detection of anti patterns, workarounds and general nuisances.


PHP_CodeBrowser provides a code browser for PHP files with syntax highlighting and colored error-sections found by quality assurance tools such as PHPUnit and PHP_CodeSniffer.


phpUnderControl is a continuous integration solution built on top of CruiseControl. It aims to make your first steps with CruiseControl and PHP as easy as possible.