Jul 28, 2022 • 3 min read
What is a single page application? And what are the differences with multi page applications? In this article, we will explore the evolution of the development technologies in today's software market.
Almost all junior developers starting to take their first steps in the world of web and mobile development are particularly confused about what SPA and MPA mean.
When asked "what are the main differences" between the two architectures, the answers usually turn out to be related to: performance, routing, rendering, frameworks/libraries used, and page reload. Does all this really describe the differences?
Each subsequent request will use AJAX technology to query an API capable of returning data in JSON, XML, or whatever format.
The client from then on will mainly perform DOM manipulation.
An MPA, on the other hand, makes a new HTTP request to the server every time the page address is changed (routing).
The server takes care of returning an HTML page whose structure will have to be interpreted by the client to replicate the DOM structure.
The new generation browsers are able to compare the differences and avoid a full re-rendering of the DOM, but given the asynchronicity of the interaction, an additional loading time will always be necessary.
So which of the usual answers are wrong?
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