"Just use SVG" is solid advice—until your icon set includes detailed illustrations, photographic textures, or you need to serve Android notification icons. Format choice still matters, and in 2026 the landscape has shifted enough to warrant a fresh comparison.
Static icons communicate. Animated icons captivate. The good news: SVG animation is lighter than Lottie, more accessible than GIFs, and—when done right—actually improves your performance metrics instead of hurting them.
A single bloated SVG won't tank your Lighthouse score. Fifty of them will. This checklist distils everything that actually moves the needle when shipping SVG icons in 2026.
Icon fonts had a good run. For nearly a decade they were the way to ship scalable glyphs on the web. But by 2026 the numbers are unambiguous: SVG icons win on every metric that matters.