Key Concepts You Should Know about Magento
Learning to finetune Magento is not exactly the easiest of tasks, even for skilled developers and this fact remains true for version 2 of the Magento platform as well. This is why it is very important to understand the main differences between the old and the new so that you will be able to tweak the newest version to ensure optimized performance.
The Overall Module Structure of the Magento 2 Ecosystem
Composer is a highly popular PHP dependency manager that is integral to the overall infrastructure of the Magento 2 platform. Here, it is pertinent to note that instead of a single main codebase, Magento 2 now consists of a large collection of individual parts and components that are installed via Composer. This also applies to many third-party libraries as well as Magento core modules and themes.
Broadly speaking, the kind of encapsulation that is required for these self-contained parts is facilitated by a sea change in Magento’s core infrastructure in terms of marketplace extension cores or even relatively simple local customizations. This is because all the files related to any specific module are part of a single directory in this format.
Dealing with Multiple Plug-ins
Magento 1 class rewrites can specify certain dependency injection preferences. In the case of the Magento 2 platform, there are many unobtrusive techniques that can help in the customization of the platform and this is only made possible via Magento 2’s code generation. Here, plug-ins are the single most important examples of such customization. It is now possible for the plug-ins to allow a developer to either alter or even extend targeted methods rather than outrightly needing to replace entire classes.
Page Cache Customization
Magento 1 had a Full Page Cache function that was treated as a performance-enhancing feature available exclusively in the Enterprise module of the Magento ecosystem. As far as Magento 2 is concerned, the concept of full-page caching is now a value-added feature that is now available on both the Community and Enterprise modules.
The biggest challenge of any Full Page caching effort consisted of caching all those areas of a website page whose content was not universal for all page views and the visitors who came to those pages. Magento 1 focused more on assembling different content for these areas as a part of the overall rendering of its final HTML output on the site.
Magento 2, on the other hand, takes a different and more convenient approach. All page blocks that have to be de-coupled from the Full Page cache content are defined as private data content that will be dependent on the visitor’s session information.
From the developer’s point of view, accommodating the website’s Full Page cache is now much simpler when compared to Magento 1.
Conclusion
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