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High performance and SEO friendly lazy loader for images (responsive and normal), iframes and more, that detects any visibility changes triggered through user interaction, CSS or JavaScript without co...

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Fix the css class name after lazy loaded. And add another CSS example when there is no src for the img tag. I want to help a little bit... ;-)

I've recently noticed that some images times out on my site in Google Chrome. The page has many thumbnails and the behaviour seem to be a bit random, but continues...

bug

First of all thanks for creating Lazysizes. It performs very well. Although I have a problem where users of Safari on iOS 11.0 & 12.0 are not seeing any images...

Hello, A new browser API is available since few time: http://wicg.github.io/netinfo/ We could be able to load a different quality of images depending on the user connection speed. If user...

**Describe the bug** Sometimes it chooses the wrong size for the bgset. See image: ![image](https://user-images.githubusercontent.com/3786627/74593267-e55a4100-5029-11ea-96ae-ac058a0fbc99.png) **In what environment (browser/device etc.) does this bug happen/not happen:** Tested in latest version of...

**Describe the bug** When you use Bootstrap 4 navbar + carousel + lazysizes you need to click twice to open Bootstrap 4 navbar dropdown menu. navbar workds fine when you...

bug

Hi, I'm trying to get a nice fade in effect using the blur-up plugin (https://github.com/aFarkas/lazysizes/tree/master/plugins/blur-up) after an LQIP image has loaded. I'm using the Imgix React component to do the...

bug
needs reproduction

**Describe the bug** The WordPress core "gallery" block adds a data-link attribute to images with the link to the attachment page which lazysizes+unveilhooks tries to load assuming it is CSS....

When i switch between the images in the slider, iOS devices blend in some white screen when changing the images (small image in src, big image in data-srcset). Link to...

**Describe the bug** Google index images in small size instead original when using RIaS plugin **Steps to reproduce the behavior:** Settings: ``` window.lazySizesConfig.rias = {   | prefix: "https://mydomain.com/{width}x",   | absUrl:...