CODEWITHSUNDEEP
performanceblazorblazor-webassembly
Ludovico
Ludovico

Reputation: 251

Blazor sample app slow loading while develop

I created a new Blazor Web Assembly app from visual studio 2022, and I got the usual template application with a counter button

Blazor sample

When I run this app from my development machine, the first load take 20 seconds. Every time I change something in the code and re-run the application it takes 20 seconds to load.

Is this the normal behaviour or do I have something wrong on my development machine?

It's very hard to develop something if you have to wait 20 seconds everytime you want to test a modification

Looking at the network tab of the browser I see this:

Blazor Slowliness

As you can see 21.76 MB of resource are cached, and only 0.04 MB are downloaded from the network. So why does it take so long?

Upvotes: 4

Views: 1314

Answers (1)

Ludovico
Ludovico

Reputation: 251

I find out that the problem is the antivirus used by my company, ESET

Seems that it has some kind of checks that takes 20 seconds to analyze web assembly

I had to completely uninstall the antivirus to avoid the problem

Upvotes: 5

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