The Tesco Mobile Website and The Importance of Device Testing

A constant passion of mine is efficiency: not being wasteful, repeating something until the process has been refined to the most effective, efficient, economical, form of the activity that is realistically achievable.

I’m not saying I always get it right, just that it’s frustrating when I see this not being done. Especially so when the opposite seems to be true, as if people are actively trying to make things as bad as possible.

Which brings me on the the current Tesco mobile website, the subject of this article, and of my dislike of the misuse of a particular form of web technology: client side rendering.

What follows is a mixture of web perf analysis and my own opinions and preferences. And you know what they say about opinions…

Client Side Rendering; What is it good for?

client side rendering frameworks

No, it’s not “absolutely nothing”! Angular, React, Vue; they all have their uses. They do a job, and in the most part they do it well.

The problem comes when developers treat every problem like something that can be solved with client side rendering.

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