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image4io decides and delivers best option from any source format via multi-CDN architecture. Web developers can work without thinking about their source image formats and which format to deliver to their customers. With this feature, image4io users doesn't have to decide which image format to use on development time.
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image4io auto format delivery considers both compatibility and size to deliver the best option for your customers. Image4io has the ability to automatically detect which browser is requesting the image and then select the most efficient image format to be delivered. Even though WebP has its size advantages, it is not supported by some browsers. This preliminary info is helpful when it comes to decide on the best image format for your content. JPEG, GIF and PNG are supported by many common browsers. Lossless image formats you can easily find on the web are GIF and PNG. Pictures may have smaller size with WebP and logo/graphics may have smaller size with PNG. This means that the format JPEG can compress data while still retaining the image quality. The degree of compression is mostly 10:1 for JPEG. It is one of the most popular types of image formats out there and features 6 major formats: JPEG, JPG, JPE, JIF, JFI, and JFIF. When it comes to choose the best option for your websites, there are two important points to consider: Size and Compatibility. JPEG stands for Joint Photographic Experts Group. Even though WebP has a huge advantage for size of image, some of the browsers don't support WebP. This format was designed to be used specifically on the web. WebP is an image format developed by Google. The degree of lossy compression is adjustable, so the user can choose the degree of trade-off between file size and image quality. WebP is a method of both lossy and lossless compression that can be used on a large variety of photographic, translucent and graphical images found on the web. PNG supports palette-based images, grayscale images (with or without alpha channel for transparency), and full-color non-palette-based RGB/RGBA images (with or without alpha channel). Additionally, PNG supports lossless compression. Besides RGB (Red-Green-Blue) channels PNG also has alpha channel for transparency. PNG is mostly known for its transparency feature. GIFs are suitable for sharp-edged line art (such as logos) with a limited number of colors and can be used for animations and low-resolution videos. GIF is a bitmap image format developed by a team at the online services provider CompuServe led by American computer scientist Steve Wilhite on June 15, 1987. Nearly all of the browsers are supporting JPEG format. On the other hand, it is the most compatible format for web. JPEG is a lossy format, so there is always some loss of quality when using this format. Although this standard is generally considered as a single specification, in reality it is composed of four separate parts and an amalgam of coding modes.* Its standard was created in 1992 (latest version, 1994) as the result of a process which started in 1986. JPEG is perhaps the most common image format used on the web. JPG/ JPEG (Joint Photographic Experts Group) First, let's see what kinds of image formats are widely used on web. Image formats are very important as well. So, image has huge importance on web page speed. An average mobile webpage is 2.2MB and 68% of it is images.