How to apply lazy loading in background images [closed]

1. Can you lazy load background images?
2. How do you make a picture lazy load?
3. How can I make a lazy image responsive?
4. How do you implement Lazy Load?
5. How do I know if lazy loading is working?
6. Why pictures are lazy loading?
7. Why lazy loading is bad?
8. What is lazy loading example?
9. How do I get rid of lazy loading?
10. What is the purpose of lazy loading?
11. Can I use loading lazy?
12. How do you know if a picture is lazy loaded?

Can you lazy load background images?

Images in CSS #

Browser-level lazy-loading does not apply to CSS background images, so you need to consider other methods if you have background images to lazy-load. Unlike <img> elements which load regardless of their visibility, image loading behavior in CSS is done with more speculation.

How do you make a picture lazy load?

Next, to lazy load a simple img element, all you need to do in your markup is: <img src="placeholder.
...
Note the following:

1. you add the class lazy to the element.
2. the value of src is a placeholder image.
3. the path to the image you want to lazy load is inside the data-src attribute.

How can I make a lazy image responsive?

Conclusions

1. Use vanilla-lazyload to load your lazy images.
2. Don't load all the images lazily, just the ones below the fold.
3. Use the img for simple responsive images.
4. Use the picture tag to. change your images width/height ratio at specific media queries. ...
5. Don't use any polyfill if not strictly required.

How do you implement Lazy Load?

Implementing lazy-loading

Modern browsers implement browser-level lazy-loading, which can be enabled using the loading attribute on images and iframes. To provide compatibility with older browsers or to perform lazy-loading on elements without built-in lazy-loading you can implement a solution with your own JavaScript.

How do I know if lazy loading is working?

You can check to see that a module is indeed being lazy loaded with the Chrome developer tools. In Chrome, open the dev tools by pressing Cmd+Option+i on a Mac or Ctrl+Alt+i on a PC and go to the Network Tab. NOTE: Another important check is to make sure that a module loaded lazily is not loaded again.

Why pictures are lazy loading?

The basic idea of lazy loading is simple - defer loading anything that is not needed right now. For images it usually translates to any image that is not visible to the user up front can be lazy loaded. As the user scrolls down the page, the image placeholders start coming into viewport (visible part of the webpage).

Why lazy loading is bad?

Because users might not even see those images. Without lazy loading enabled, all graphic elements on a page are loaded at once. If the website has plenty of visual content, this drastically increases image bandwidth and harms the performance.

What is lazy loading example?

Examples of Lazy Loading

As the name suggests, Infinite Scroll continuously loads content as the user scrolls down the page. ... As the user scrolls down the page, placeholder images are replaced with thumbnails. After a certain number of images are displayed, a button allows the user to load additional images.

How do I get rid of lazy loading?

We can disable lazy loading for a particular entity or a context. To turn off lazy loading for a particular property, do not make it virtual. To turn off lazy loading for all entities in the context, set its configuration property to false.

What is the purpose of lazy loading?

The benefits of lazy loading include: Reduces initial load time – Lazy loading a webpage reduces page weight, allowing for a quicker page load time. Bandwidth conservation – Lazy loading conserves bandwidth by delivering content to users only if it's requested.

Can I use loading lazy?

Browser-level support for lazy-loading images is now supported on the web! ... In Chrome 76 onwards, you can use the loading attribute to lazy-load images without the need to write custom lazy-loading code or use a separate JavaScript library.

How do you know if a picture is lazy loaded?

How to tell if lazy loading is working?

1. F12 browser tools, look at the network inspector and you can see exactly what gets loaded when. – ...
2. Maybe it check the user-agent header to see what "browser" it's interacting with? – ...
3. @AlexK. ...
4. One would expect them to show up as you scroll – Alex K.