Technically, a single website can have multiple favicon files, and that's perfectly fine: different browsers and platforms require icons of different sizes or formats. It's important to understand not "how many are possible," but "how many are needed" to cover basic scenarios—from a browser tab to pinning to a phone screen. In practical terms, most websites use a set of several icons: a small one for the tab, several sizes for Apple and Android devices, and sometimes the ICO format for compatibility with older browsers. What is commonly meant by “favicon” In modern web development, a favicon often refers not to a single file, but to an entire "framework" of links in a section . The browser can select the appropriate icon when you view a website in tabs, history, or when you use the "Add to Homescreen" feature. Therefore, the number of favicon files you need is directly related to how many different sizes/formats you provide and what meta tags you add. How many favicons can there be? There's no hard, generally accepted limit on the number of icon references in HTML, acting as an "official ceiling." You can specify several dozen variations, but in practice, this is rarely justified: browsers will choose the desired variation, and the rest will become unnecessary support. A typical recommendation for covering most use cases is to have 5-15 icon files of varying sizes and formats. For many projects, even 6-10 is sufficient if you use a modern stack (PNG/SVG) and properly reference them. At a minimum, they usually add: favicon.ico (often for older browsers and the standard request scenario); png icon 32x32 and/or 16x16; set of apple-touch-icons (for example, 180×180); Android icons/manifest (depending on your PWA setup). Modern projects also include references to SVG (where supported) and manifest.json for PWAs, where dimensions are described more systematically. What to look for to make sure it's "right" and not "too much" To make sure the number of icons really helps, check: that the correct type and sizes attributes (where applicable) are specified; that the sizes are in line with platform expectations (especially for Apple); what is fallback for old browsers (often ICO); that the icons are available via HTTPS and are actually returned without errors (404/403). It is better to have a small but accurate set than a lot of duplicates or invalid sizes. If you need to quickly assess the quality of your customization, it's helpful to run your site through favicon/PWA testing tools and see how icons display in different scenarios (tab, search/history, "add to screen," desktop shortcut). Bottom line: a website can have several (or even dozens) favicon variants, but a reasonable goal is to assemble a compact set that covers the main formats and sizes. Quantity matters only when coupled with correct links and target device support.