HTML::Mason, also known as Mason, is a web application framework and templating system written in Perl. It allows developers to embed Perl code within HTML, making it easier to create dynamic web pages with reusable components. Mason is particularly useful for managing large-scale websites with repetitive design elements, as it promotes modularity and code reusability.


H-T-M-L Colon-Colon M-A-S-O-NIn phonetic alphabet:Hotel – Tango – Mike – Lima : Mike – Alpha – Sierra – Oscar – November

Key Takeaways

  1. HTML::Mason is a powerful web development framework that enables developers to embed Perl code into HTML, making it easier to manage large-scale web applications and produce dynamic content.
  2. It promotes code reuse, modularity, and maintainability by allowing the use of components, which are reusable sections of code that can be easily included in multiple places throughout a website or application.
  3. HTML::Mason also provides advanced features like automatic caching of page components, customizable error handling, and sophisticated ways of customizing component behavior, making it a versatile tool for web developers.


HTML::Mason, also known as Mason, is an important technology term because it refers to a powerful Perl-based web application development framework that enables developers to create dynamic, data-driven web content with ease.

It combines the benefits of a templating system, a component-based architecture, and essential programming tools, streamlining the web development process.

Mason’s built-in caching and performance optimizations, as well as the ability to embed Perl code directly within HTML templates, make it a popular choice for designers and developers alike.

By employing HTML::Mason, complex web applications can be built more efficiently, thus enhancing the overall user experience and promoting a faster development cycle.


HTML::Mason, often simply referred to as Mason, is a powerful and flexible web templating system designed to help ease the process of creating and maintaining dynamic websites. Mason’s primary purpose is to provide a structure to manage site content and design elements separately, allowing for better organization and easier maintenance. By utilizing a component-based approach, developers can create reusable building blocks that can be efficiently integrated throughout the website.

This facilitates code reusability and helps maintain a consistent design across various webpages. Mason also enables seamless embedding of Perl code into HTML, streamlining the generation of dynamic content. Mason is particularly well-suited for large-scale web applications where modular design and reusability are essential.

It promotes collaboration among developers and designers by allowing them to work on components independently without disrupting the entire system. Alongside simplifying site management, Mason speeds up development by automating several routine tasks such as caching and error handling. As a result, developers can concentrate on crafting the core functionality of the website while relying on Mason to handle the underlying complexity.

By leveraging the power of HTML::Mason, website creators are better equipped to build and maintain dynamic, easily-customizable web applications with greater efficiency.

Examples of HTML::Mason

HTML::Mason, also known as Mason, is a powerful Perl-based web application framework that enables developers to quickly create and manage dynamic websites. Here are three real-world examples of how HTML::Mason has been used:, a leading global online retail platform, used Mason as its primary templating system to develop and manage its website pages for a long time. It allowed Amazon’s engineers to build and manage a large, complex, and highly scalable website efficiently. They have since moved on to other technologies but have lauded Mason for its effectiveness during the years they used it.

Delphi Forums:Delphi Forums is an online community platform hosting thousands of forums covering various topics and interests. It has been using HTML::Mason to build and manage the extensive web of user-generated content for years. The framework has empowered Delphi’s developers to effectively handle a large number of user interactions, maintain optimal website performance, and create a stable platform to cater to the diverse interests of its members.

Krang Content Management System:Krang is an open-source content management system built in Perl and utilizing HTML::Mason. It aims to provide an intuitive and user-friendly interface for managing large quantities of content needed for building and maintaining websites, particularly for large editorial projects such as those run by news organizations or magazine publishers. By integrating Mason, Krang provides a reliable and highly customizable solution for developers and content managers to create, edit, and publish content efficiently.These examples highlight the flexibility, scalability, and advanced features that HTML::Mason offers, making it a powerful choice for various industry projects from e-commerce platforms to content management systems and online communities.

HTML::Mason Frequently Asked Questions

What is HTML::Mason?

HTML::Mason is a powerful Perl-based templating system that helps you create dynamic web pages and applications. It allows you to embed Perl code into your HTML and reuse commonly used components to streamline your web development process.

How do I install HTML::Mason?

To install HTML::Mason, you can use the CPAN module in your terminal or command prompt. Simply run ‘cpan install HTML::Mason’ and follow the prompts to complete the installation.

What is a Mason component?

A Mason component is a file that contains a mix of Perl code and HTML. It usually has the “.mc” or “.mi” file extension. Mason components help you build modular and maintainable web applications by allowing you to reuse code and separate logic from presentation.

How do I use a Mason component?

To use a Mason component in your web application, you need to create a component root directory and place your components inside it. You then call the components from other components or your main HTML page using the ‘<& component_name >’ syntax.

How can I pass arguments to a Mason component?

To pass arguments to a Mason component, you can include them in the component call like this: ‘<& component_name, arg_name1=>”value1″, arg_name2=>”value2″ >’. The arguments can then be accessed inside the component using the ‘%ARGS’ hash.

How do I handle errors in HTML::Mason?

HTML::Mason provides error handling through its ‘error_mode’ and ‘error_format’ configuration options. You can set the error_mode to display, log, or output errors, and use error_format to customize the appearance of the error message. Additionally, you can catch and handle exceptions in your Mason code using the standard Perl ‘eval’ block.

Related Technology Terms

  • Perl Web Framework
  • Component-Based Templating
  • Content Management System
  • Dynamic Web Pages
  • Mason Configuration

Sources for More Information


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