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55---
title: 'ion-img'
---
import Props from '@ionic-internal/component-api/v7/img/props.md';
import Events from '@ionic-internal/component-api/v7/img/events.md';
import Methods from '@ionic-internal/component-api/v7/img/methods.md';
import Parts from '@ionic-internal/component-api/v7/img/parts.md';
import CustomProps from '@ionic-internal/component-api/v7/img/custom-props.mdx';
import Slots from '@ionic-internal/component-api/v7/img/slots.md';
<head>
<title>ion-img: Img Tag to Lazy Load Images in Viewport</title>
<meta
name="description"
content="Img tag lazy loads images whenever the tag is in the viewport. Utilize this component when generating large lists—as images are only loaded when visible."
/>
</head>
import EncapsulationPill from '@components/page/api/EncapsulationPill';
<EncapsulationPill type="shadow" />
Img is a tag that will lazily load an image whenever the tag is in the viewport. This is extremely useful when generating a large list as images are only loaded when they're visible. The component uses [Intersection Observer](https://caniuse.com/#feat=intersectionobserver) internally, which is supported in most modern browsers, but falls back to a `setTimeout` when it is not supported.
## Basic Usage
import Basic from '@site/static/usage/v7/img/basic/index.md';
<Basic />
## Properties
<Props />
## Events
<Events />
## Methods
<Methods />
## CSS Shadow Parts
<Parts />
## CSS Custom Properties
<CustomProps />
## Slots
<Slots />