Perks and Pitfalls of Single-Page Web Applications (SPA) vs. Multiple-Page Web Applications (MPA)

single-page-application-vs-multipage-application

Single page applications, aka SPAs, are all in rage in the world of web application development nowadays. Many businesses are interested in it and developers want to explore it to bring out better ideas. Meanwhile, Multiple Page Apps have been doing steadily well for years.

If you compare them on the basis of their value and reach in the market- each have their pros and cons. So which is better for web app development? To find, we must primarily find out what each concept means and what are the perks and pitfalls of using them –

Single Page Applications (SPAs)

Single page applications are an app that works inside a browser and do not need page reloading during usage. There are many examples of SPAs around the net that you use every day, such as Google, Gmail, Maps, Facebook, Twitter or GitHub etc.

They are faster than the traditional web applications because they execute logic in the web browser itself rather than on the server. After the initial page load, only data is sent back and forth rather than the whole HTML which reduces the bandwidth. They request the markup and data independently and renders pages straight in the browser. We can do this thanks to the advanced JavaScript frameworks like Meteor.js, Ember.js, Angular.js and Knockout.js.

Single Page Example

SPAs help keep the user in on web space where content is presented in a simple and easy manner.

Perks of Single Page Application (SPAs)

  • Speed and responsiveness –Single Page Applications are fast; with them, a server doesn’t have to reload most resources such as HTML + CSS + Scripts with every interaction- only needing initial loading. Afterwards only new data is downloaded from the server. Plus, SPAs only reload particular pieces of content- so they have a lighter server payload.
  • Adaptability – In SPA development- you can reuse the same backend code from a web based app for the mobile app development. SPAs feel and look more like an app than a website- therefore you don’t need to specifically adapt an SPA’s design or functionality for mobile devices
  • Simplified and Streamlined development – As there is no need to write code to render pages on the server, their development is simplified and streamlined. It is much easier to start because you can kick-off the development from a file file://URI, without utilizing any server
  • Offline support and caching – SPAs can cache to any local storage with dispatch. The SPAs sends one request to the server and then stores all the data it receives. The app can use the data, this is why an SPA can operate even offline, contrasting an MPA, so you can keep using it even if your device loses connectivity.
  • Ability to separate data and UI- SPAs are able to distinguish between the data and the user interface. This can hugely help to streamline testing during the web app development. Furthermore, such distinction allows you to handle all future integrations and possible changes in how data enters the SPA framework and goes to the other systems without massive implications for the interface.
  • Easier to debug with Chrome- this is because you can see all the code at once (since it’s all located on a single page). Furthermore, these apps are developed on frameworks that have their own Chrome developer tools like AngularJS Batarang or React developer tools etc.

 Pitfalls of Single Page Applications (SPAs)

  • Memory leaks – memory leaks, i.e. loss of available computer memory, in SPAs, can happen due to event listeners. Listeners are also known as event handlers receive event notifications from the event source. The event, aka any action recognized by the software – such as a mouse click or a keystroke
  • It can be slow to download because of heavy client frameworks which are required to be loaded to the client
  • Security concerns – compared to traditional applications, SPAs are less secure. Due to cross-site scripting(XSS), attackers exploit this and inject client-side scripts into web application by other users.
  • Poor crawlability- SPAs have a smaller semantic kernel than an MPA. You can only put a limited number of keywords on one page. Therefore, for this reason, you should thoroughly consider what content best matches your users’ request.

Multiple Page Applications (MPAs)

Multiple page applications work in a traditional manner, meaning every change, like for instance display or submitting data back to the server requests renders a new page from the server in the browser.

MPAs are larger and bigger comparatively because they need to be- because of the amount of content, MPAs have many levels of UI. Fortunately, that’s a non-issue now, due to AJAX there is no need to worry about big and complex applications having to transfer a lot of data between browser and server. AJAX allows “refreshing only parts of the page and not the whole page”. Meanwhile, it adds more complexity and it is more difficult to develop than an SPA.

Perks of Multiple Page Applications (MPAs)

  • One of the primary benefits of MPA is that it is the best approach for a heavier application which can’t be well-presented and implemented on a single page format.
  • MPAs are perfect for users that need a visual map of where to go in the application. A robust, few level menu navigation is an important part of the traditional MPA
  • MPAs are quite helpful from an SEO perspective. It gives better chances to rank different keywords since the application can be optimized for one keyword per page.
  • MPAs allow a better scope of security and integrity of data
  • MPAs provide more scalability

Pitfalls of Multiple Page Applications (MPAs)

  • Frontend and backend development is tightly coupled
  • The development is quite complex. The developer needs to use frameworks for either server and client side. This, invariably leads to a longer time of application development.

Conclusion: SPA or MPA?

Before you start the development of your web application- you’ll need to consider the objective and goal of your application. If you need multiple categories, for e.g. – like an e-commerce website or a website with a lot of content, then you’ll be better off with a multi-page site. If you are convinced that your website is appropriate for a pure single-page experience, then go for it.

If you’d like your website to be an SPA, but, can barely fit everything on a single page- then you can consider a hybrid solution instead. A hybrid application is the best of both worlds as it takes the best of both approaches and minimizes the cons of both. A hybrid application is, in fact, a single page application which uses URL anchors as synthetic pages allowing more to build browser navigation and preference functionality.

Regardless, the above points weighing in the perks and pitfalls of using single page application vs multi-page page application will help you choose which one will serve the maximum benefit to your business.

 

 

 

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