As the consumer experience demands that e-commerce suppliers respond fast and offer dependable interactions, the advantages of single-page applications vs. progressive web apps have become increasingly crucial.

Although single-page applications (SPAs) have been around for around twenty years, their popularity is relatively recent. On the other hand, a progressive web app (PWA) is a perfect fusion of SPA and PWA that gives your website the advantages of both.

To help you decide which is best for your website, we will outline the distinctions between single-page applications and progressive web apps in this post. The conflict between PWA and SPA is more intricate than you would think. This article examines each web application and draws pwa vs. spa differences.

What is SPA (single-page application)?

Single-page applications are referred to as SPAs. It is a web application where the page doesn’t need to reload since the content is dynamically loaded. For instance, you don’t have to wait long to see an annoying page loading screen when you check your social media feed. The material loads immediately as you navigate through your feed or switch between tabs.

When you open a SPA page, all the HTML and CSS are loaded immediately. The page does not need to reload as you navigate this site; just the new data is loaded. Thus, it creates a smoother user experience without waiting around for loading.


1. Quick loading:

The biggest advantage of SPA sites is their unparalleled loading speed. The SPA refreshes the relevant portion of the data fast, saving a lot of time because most data are loaded in a single session with subsequent actions.

2. Flexibility:

It’s simpler to create engaging transitions and animated components when the user is always working on a single page. Button, tab, and switch states are all manipulable. As a result, the SPA web application interface might resemble a complete program rather than a straightforward website.

3. Simple data caching:

The dynamic single-page application can work partially offline and browse the web to save progress when significant data is loaded in a single request.

4. Versatility:

SPA applications function anywhere. A SPA requires JavaScript support. These websites perform well on both a pc and the Internet. Additionally, they can partially take the role of whole mobile applications.


1. Not SEO friendly:

The quantity of pages with distinctive URLs, headers, and keywords has a major impact on SEO. Therefore, it is challenging for search bots to understand page content in the case of a SPA app. 

While some contemporary techniques attempt to analyze the information as consumers would, they cannot accurately index sophisticated single-page web applications. Choosing a different choice from a single-page application may be more advantageous if SEO performance is significant for your company.

2. Statistical problems with the website:

It’s more challenging to determine which posts or pages are popular on a single page. You must develop your analytics system if you want to monitor the statistics for the SPA.

3. Extensive uses of browser resources:

Since the web browser handles most of the work for the SPAs, SPA apps demand a lot of resources from it. Users must often utilize the most recent browsers that offer various contemporary capabilities to create SPAs.

What is PWA (Progressive web application)?

An application developed with cutting-edge web technologies is known as a Progressive Web App or PWA. It is therefore accessible through standards-compliant browsers, giving it an extremely flexible cross-device solution. 

Although web applications have been available for a while, PWAs primarily relate to the more recent iterations that use the service workers and interfaces stated above. 

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1. Cost-effective development:

A product does not need to be developed for each operating system because progressive web apps run on all platforms and devices.

2. High performance:

PWAs manage requests, caching, and other functions via a dedicated service worker file. PWAs can function 2-3 times quicker than standard, responsive webpages. Higher conversion rates are brought on by faster loading times, which improve user experience.

3. Quick installation:

The PWA will appear as a shortcut on the user’s home screen as soon as they click “Add to Screen.”

4. Offline tasks:

PWAs offer session continuity, which boosts traffic and conversions for e-commerce sites. The user may still browse and add items to their basket, complete the checkout process, and more, even if they are not connected to the Internet. 

Due to the PWA’s ability to synchronize data and update it in the cache, the purchase will be completed immediately when the consumer has an internet connection again.

5. Lightweight:

Compared to native applications, PWAs are substantially less in size.

6. Gadgets:

PWAs have access to features on the smartphone such as the camera, Bluetooth, and GPS. Push notification functionality might be very useful for owners of e-commerce websites.

7. SEO friendly:

PWAs, in contrast to native applications, have URLs, allowing Google to crawl them. They also score better in search results because of their quick loading times.


1. Limited features:

With the web browser’s present capabilities, certain device features are not accessible. Supporting iOS PWA features like the camera, motion sensors, and transmitters, among others, is a prime example of this. 

As a result, PWA compatibility on iOS may be patchy and restricted. Additionally, the PWA lacks access to user SMS, contacts, or calls, which negatively impacts the user experience.

2. High battery consumption:

JavaScript, used to create progressive web apps, is more challenging for mobile devices to operate than native apps.

3. Browser dependent:

Modern iterations of widely used browsers function nicely with the PWA. However, users may have intermittent functioning problems using an older version.

A depth comparison between SPA vs. PWA

These cutting-edge web development techniques provide its consumers with a captivating user experience. But there are many ways that they diverge. Let’s examine how these two things are different from one another. Few criteria have been analyzed for comparison between PWA vs. SPA.

1. Speed

These two designs are both state-of-the-art technologies. Thus they are quite comparable in terms of speed. PWA, though, could have the advantage in this situation.

In other words, you may assign a large portion of the extra JavaScript overhead SPAs to bring to your web apps to the service workers, significantly decreasing the JavaScript footprint.

Due to this, PWA sites may pre-cache various site resources, including scripts, CSS, pictures, and markup, before they are needed. These pre-caches allow users to operate offline and remove the additional strain that rendering places on their networks.

2. Loading time

In contrast, the website, master page, and establishing a Service Worker do not take as long to load as SPA does the first time. SPA loads in around 10 seconds. PWA, on the other hand, loads in just one second. 

While the reloading time for SPA is between 5 and 10 seconds, the response time for a Service Worker is under 1 second. As a result of its ability to operate in an offline and autonomous mode, PWA has an added benefit in this situation.

3. User Interface

Although SPAs had their place in the past, users are beginning to switch to PWAs since they provide a better user experience (UX).PWAs, which both have an app-like UI, increase engagement and dependability even when a connection is sluggish or offline.

Unlike SPAs, PWA standards allow users to load content and engage features concurrently. Single-page applications are constrained because they can’t provide a good user experience on large sites. Therefore they work best for sites that are data-focused rather than necessarily attractive.

4. Security

Security is a sensitive topic. While both PWA and SPA employ JavaScript as their primary library for development, their security vulnerabilities differ significantly, with SPA’s XSS (cross-site scripting) problem accounting for most of them.

All you need to do with a SPA to protect your website is secure data endpoints more quickly, not necessarily safer. SPAs are more vulnerable to hacker attacks since they use JavaScript. The lack of code compilation in JavaScript makes it more susceptible to malware.

PWA is safer than SPA since it has to operate via HTTPS. Its security measures guarantee that no communications between the server and client will interfere. Customers may enter their personal and credit card information in a safe environment offered by PWA without worrying about data theft.

5. Accessibility

Due to their ability to support offline interaction, Progressive web apps without JavaScript solutions are superior to other kinds from an accessibility standpoint. When interacting with PWAs, users can choose to add a shortcut to the app they’re now using on their Desktop or Home screen. 

SPA is horrible in terms of accessibility. Once the page transition has been carried out, the user is usually sent to a blank page. Since there are no aria or support tools for the users in the case when the page’s DOM structure changes often, it will cause them to feel frustrated.

6. SEO

The effect of SPA use on SEO is recognized as one of the greatest drawbacks. AJAX is used by SPA to load content, as was already explained. An empty DOM element is what the search engine spider receives. 

The search engine ranking of SPA will suffer as a result. JavaScript, which is not supported by most search engines, is used by most SPA. Upon request, the server-side rendering will provide a fully loaded page. 

PWA outperforms Single page applications without JavaScript in terms of performance and engagement, which raises the ranking of your website in search results. Therefore, PWA is typically advised by developers.

7. Cost

PWA falls short of SPA in this domain. PWA has advanced technology, thus. As a result, there is an additional expense. Also, because the process for developing PWAs is less streamlined than that of SPAs, it sometimes takes up to several weeks at a time.

Your construction expenses will depend on a variety of things, including your developer’s fee, the intricacy of the project, and your preferences and modifications. They should all be considered when creating cost estimate features.


Both strategies are very effective tools for consumers and developers. However groundbreaking SPAs may have been, it appears time has gradually caught up. Although SPAs and PWAs are similar in some ways, more and more people are selecting PWAs over SPAs, which makes sense given the advantages that PWAs provide. 

The decision is ultimately determined by the project’s needs, objectives, and capabilities. You can take the help of any cms development company to develop your application based on your requirements.


Progressive Web Apps can be Single Page Apps, although PWAs are not required to be SPAs. It happens so that a single-page application may use without a service worker, manifest browser file, or HTTPS delivery.

PWA differs from SPA because it is more akin to a series of instructions and checklists than a particular design.

Currently, there are two main methods for creating web apps: single-page applications (SPAs), which primarily utilize web APIs to connect to the web server, and traditional web applications, which conduct most of the application code on the server.