The answer to 'best gutter guards' is that the best gutter guards are those that effectively prevent debris from clogging your gutters while being easy to install and maintain. Gutter guards come in a variety of materials and styles, including mesh, foam, and micro-mesh screens, and each type has its own advantages and disadvantages.
Mesh gutter guards are a popular choice as they allow water to flow through while keeping out larger debris like leaves and twigs. Foam guards are also effective at trapping smaller particles, but they can become clogged over time. Micro-mesh guards are the most effective at keeping out fine debris, but they may require more frequent cleaning to maintain proper drainage.