Full size images in a post page

[photigy]

Hi, for some reason images on a post page (https://www.photigy.com/publications/) are full size featured images from posts, not thumbnails. If you'll look at the code, images size are 1200px and larger, they are displaying as little thumbnails. This is not a good practice, I am wondering is this a bug on our installation or you have it set this way in WPLMS? Please advice on how to fix this.

[H.K. Latiyan]

I've checked my setup, no these are not full images. refer below screenshot : WordPress 4.4 automatically pics the image from the srcset attribute depending upon the viewport width, this selection happens in realtime and may not be visible in the view source.

[photigy]

Latiyan, Yes, see it works on your install, but not mine. See attached screenshot. Any ideas why it may happen?  

[H.K. Latiyan]

It can be a browser issue. May be browser has cached the image and showing full image only. If you take a look at our code, then you can see that we never fetches full images we only fetch medium image, refer: http://prntscr.com/ak7hu1. As you can see its not a coding issue,  but it is the browser issue.

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