Structured data implementation has exploded beyond simple breadcrumbs and business information. JSON-LD schemas now cover everything from FAQ snippets to product reviews, recipe cards, and event listings.

Pros:

• Rich snippets provide measurable click-through rate improvements in search results when implemented correctly
• Google Search Console shows exactly which structured data Google recognizes and validates
• Schema for articles and products can generate prominent featured positions in SERPs
• The markup is testable through multiple validation tools before deployment

Cons:

• Implementation requires technical knowledge or developer time that small teams often lack
• Google frequently deprecates schema types or changes requirements without clear migration paths
• Many schema implementations show zero visible impact on rankings or traffic despite correct markup
• Maintaining accuracy across dynamic content adds ongoing maintenance overhead

Recent analysis from 2024 shows that while structured data appears in Google's documentation as important, the actual ranking benefit remains difficult to isolate. Sites with proper schema do see enhanced SERP appearances, but whether that translates to meaningful traffic depends heavily on your specific niche and competition. The markup works, but the effort-to-reward ratio varies wildly depending on what you're optimizing.