Re: Detecting if webp file exist on server

[Pascal Massimino]

Hi,

On Mon, Jan 8, 2018 at 9:24 AM, Paweł Dancewicz <kucharz...@gmail.com> wrote:

Hi there folks, 

I'm using gulp for converting all images on my server where page is placed, on client side I've to check if browser supports webp and then if file exist in this directory else print original png/jpg file.
Right now I'm using http request for checking if webp exist but this is quite inefficient. 

Not sure exactly what your client/app is doing, but you may want to have a look at picture's srcset.

There are tutorials floating around, e.g.: 

https://developers.google.com/web/fundamentals/design-and-ux/responsive/images

hope it helps,

skal/

 

Any ideas how may I make it better without any server side checking? 
Best Regards

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[Paweł Dancewicz]

Hi skal, 

I'm just trying to find out an efficient way to check if webp image exist on server before fetching it using only client side js. 

Regards, 
Paweł