![]() SVG is an XML format and can contain a tag to describes CSS. Your HTML page should have a tag in its with rel="icon", type="image/svg+xml" and with the href containing a link to the SVG file as attributes. As of this writing, 72% of all browsers support SVG icons. At large sizes, it’s more efficient than raster images. SVG is a vector format that describes curves instead of pixels. A single SVG icon with a light/dark version for modern browsers ico file in order to fix the Chrome bug where it chooses an ICO file over an SVG. Some tools, like RSS readers, just request /favicon.ico from the server and don’t bother looking elsewhere. In that case, you can ask your designer to come up with a special version of the logo that’s tailored to fit small pixel grids.ĭon’t get smart with the folder static asset folder structure and cache busters. I recommend sticking to a single 32×32 image, unless the one you have doesn’t downscale well to 16×16 (if it becomes blurry, for instance). ICO files actually have a directory structure and can pack files with different resolutions. This list should work with all popular browsers and devices, both old and new. Now I’ll reveal the minimal set of icons that I came up with during my research and practice. This solves a problem for Internet users that don’t have unlimited data plans. With just three PNG images in this minimum set, you can use advanced tools to optimize their size.SVG is a great way to reduce image size for images that aren’t supposed to be bitmaps in the first place for many logos the resulting file will be much smaller than a PNG.Browsers download favicons in the background, so a bigger favicon image does not affect website performance.If you’re concerned about performance, I’m here to set the record straight: Instead of creating many images with different sizes, I decided to rely on SVG and browser downscaling. Thus, I set out to create a minimal list of favicons that will work in all cases and in all browsers-barring some edge cases-and even then, this will still work, just not 100% perfectly. What is the most efficient set of website icons? Which formats are outdated? Which icon types can be replaced with small compromises? We’re here to build websites, after all, not to make browser vendors happy.Ī set of favicons generated by a popular online generatorĪs a creator of NanoID and a proponent of minimalistic open source, I tend to think in a slightly different direction. No one in their right mind would ever want to spend hours creating them by hand. ![]() So, it’s common to offload the grueling task of generating these necessary files for an ever-growing list of screens and devices to favicon generator tools. Sadly, what users perceive as one icon is actually a lot of them. If you have a public-facing website, it has to have a favicon. It’s one of those little things that make other people take you seriously.Įven Apple, which has always had some kind of aesthetic beef with icons that don’t come from Cupertino, downplaying favicons in Safari for years, has finally given up and now properly displays them across all of its devices. Users expect your website to have a favicon. We’ve all seen those cute little images in our browser’s tab bar which help us differentiate our open websites. The concept of a favicon, which is short for “favorite icon”, have been around since the early 2000s. ![]()
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