Zenfolio vs Smugmug

Zenfolio significantly outperforms Smugmug by 19.5 points - a gap large enough to suggest structural differences in how each platform supports web quality.

Zenfolio leads in: AI Readability, Security, Efficiency, Structure, Lighthouse. Smugmug leads in: nada. Zenfolio has a broader performance advantage across dimensions.

The platforms split industry wins evenly across 2 shared verticals - the overall score gap may be driven by a few outlier sites rather than a consistent pattern.

Smugmug has 3× more audited sites than Zenfolio. Larger samples surface more variation and may pull averages toward the mean, so this comparison should be read with that in mind.