Frequently Asked Questions
Everything you need to know about JSON-LD structured data and schema markup for SEO.
What is JSON-LD and why is it important for SEO in 2025?
JSON-LD (JavaScript Object Notation for Linked Data) is Google's preferred format for structured data. It helps search engines understand your content better, leading to rich results that can increase click-through rates by up to 82%. Unlike other formats, JSON-LD is easy to implement, maintain, and doesn't interfere with your HTML markup.
Where should I place JSON-LD structured data on my website?
JSON-LD can be placed anywhere in your HTML - either in the <head> section or within the <body>. Google recommends placing it in a <script type='application/ld+json'> tag. Unlike microdata or RDFa, JSON-LD doesn't need to be integrated with your visible content, making it much easier to manage and update.
What are the most important schema types for SEO?
The most valuable schema types include Product (for e-commerce), LocalBusiness (for local SEO), Article/BlogPosting (for content), FAQPage (for Q&A content), Review/AggregateRating (for social proof), Event (for upcoming events), and Organization (for brand knowledge panel). Choose schemas that match your content type and business goals.
How do I validate my JSON-LD structured data?
Use Google's Rich Results Test as your primary validation tool - it shows exactly how Google interprets your markup. Also use the Schema.org Validator for comprehensive schema validation and the JSON-LD Playground for syntax checking. Always test before deploying and monitor Google Search Console for structured data errors.
What are common JSON-LD mistakes to avoid?
Common mistakes include marking up content not visible on the page, using incomplete or inaccurate data, syntax errors like incorrect quotation marks, missing required properties, and using inappropriate schema types. Always ensure your structured data matches visible content exactly and includes all required fields for your chosen schema type.
Can JSON-LD improve my search rankings directly?
While JSON-LD isn't a direct ranking factor, it significantly impacts visibility through rich results, which can increase CTR by 30% or more. Rich snippets make your listings more prominent and informative, leading to more clicks. This improved engagement signals to Google that your content is valuable, indirectly benefiting rankings.
Should I add JSON-LD to every page on my website?
Not every page needs every type of structured data. Organization and WebSite schemas typically go on the homepage only. Product schemas belong on product pages, Article schemas on blog posts, and LocalBusiness on location pages. Focus on implementing relevant schemas that match each page's content rather than adding everything everywhere.
How does JSON-LD help with AI and voice search?
JSON-LD structured data helps AI systems and voice assistants better understand your content's context and relationships. This is crucial for appearing in voice search results and AI-powered features like Google's SGE (Search Generative Experience). Well-structured data ensures your content can be accurately interpreted and served in these evolving search formats.