When you save your file, give it a name with keywords in it for SEO.īefore adding your image file to your site repo, you'll want to compress it. If you're creating your images, that starts with working in RGB color mode and checking that your colors are accessible. Image Optimization for the WebĪfter you've picked a file type for your use case, you'll still need to optimize your image for the web. My Adding Shiba Inu Loading and Error SVGs to My React Site example details the 4 different ways you could import an SVG into a React app. Plus, they're often treated differently than raster images in code. Furthermore, making them can get complicated - the more complex your lines, the more likely it is the lines will form jagged edges when scaled up or down. To add descriptive metadata, you'd have to use a. SVGs have limited support in degraded browsers and email clients. They're easy to resize and support transparency and animation. SVGs are lightweight, use lossless compression, and can use unlimited colors. They use lossless compression and support descriptive metadata, but do not support transparency and are limited to 256 colors.
They are only recommended if you need them for the animation. GIFs are the precursor to PNGs and they are not ideal for the web due to their large file size. PNG-24 has unlimited colors and their file size gets bigger than you usually want for the web. Their file size grows quickly with the complexity of the image. Older email clients can have trouble with them. Using PNG-8, with a limited color palette, is usually lightweight and ideal for web graphics. They support transparency and are good for images with text and logos because they don't form jagged edges. PNGs, on the other hand, use lossless compression. As a result, just re-saving a JPEG file is lossy compression and you will use quality. They are typically used to take a huge RAW photograph with lots of pixels and compress them in a lossy fashion that still looks lossless to the naked eye. JPEGs can be compressed in a lossy or lossless fashion. They support descriptive metadata, which is good for accessibility. They don't support transparency or animation and text images form jagged edges. It's easy to keep their file sizes small and they are basically universally supported in browsers and email clients. JPEGs are great for color and photography.
Back when file extensions were limited to 3 letters, they chose. JPEG stands for Joint Photographic Experts Group, which is the committee that made the JPEG format. png file of any size.Īt this point, you might be thinking, why would I use anything other than SVGs? Each image format has its pros and cons to consider when using them in a site. Vector images can scale up and down without pixelating (looking grainy and blurry), while raster images are limited by the number of pixels saved in the image. png) are raster images, made with static pixels. When I create one in Illustrator, I save it as an. Vector images are made using mathematical formulas and code. I enjoy making logos and other graphics for my apps, and I use Adobe Illustrator, a vector-editing tool, to do it. HTML and CSS to Take Your Images to the Next Level.Here are the topics this article will cover: One, a tutorial for SVGs in React, and this one, demystifying sourcing images for your website. When I sat down to write about my Shiba Inu SVGs, it became clear that I was writing two blogs.
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