Jan 9, 2003 · JPEG (Joint Photographic Experts Group) is a lossy compression method standardised by ISO. JPEG JFIF, which is what people generally mean when they refer to "JPEG", is a file format created by the Independent JPEG Group (IJG) for the transport of single JPEG-compressed images.

Images can improve the design and the appearance of a web page. The HTML <img> tag is used to embed an image in a web page. Images are not technically inserted into a web page; images are linked to web pages. The <img> tag creates a holding space for the referenced image.

Apr 30, 2003 · Overview of graphics formats for the Web from W3C. Includes links to descriptions of SVG, WebCGM, PNG, JPEG and GIF, plus how to integrate images in XML and HTML pages

Images are not technically inserted into a web page; images are linked to web pages. The <img> tag creates a holding space for the referenced image. The <img> tag has two required attributes: Note: Also, always specify the width and height of an image. If width and height are not specified, the page might flicker while the image loads.

JPEG File Interchange Format is a minimal file format which enables JPEG bitstreams to be exchanged between a wide variety of platforms and applications. This minimal format does not include any of the advanced features found in the TIFF JPEG specification or any application specific file format.

Apr 10, 2025 · Formats like WebP and AVIF are recommended as they perform much better than PNG, JPEG, GIF for both still and animated images. SVG remains the recommended format for images that must be drawn accurately at different sizes.

May 8, 2024 · W3C documentation apart of their Web Accessibility Initiative. The Encyclopedia of Graphic File Formats, 2nd Edition, 1996 (EGFF) has information on JPEG and JFIF . Online access is available at:

Apr 10, 2025 · In this guide, we'll cover the image file types generally supported by web browsers, and provide insights that will help you select the most appropriate formats to use for your site's imagery. The image file formats that are most commonly used on the web are listed below. Good choice for lossless animation sequences (GIF is less performant).

The JPEG filename extension is JPG or JPEG. Nearly every digital camera can save images in the JPEG format, which supports eight-bit grayscale images and 24-bit color images (eight bits each for red, green, and blue).

Instead of having one image that is scaled up or down based on the viewport width, multiple images can be designed to more nicely fill the browser viewport. The <picture> element contains two tags: one or more <source> tags and one <img> tag.