Schema Markup Validator by Schema.org

Schema Markup Validator by Schema.org is a free tool that checks any URL or code snippet for valid structured data markup and reports errors or warnings against the official schema.org vocabulary.
Matej Kukucka
2026-05-20 Matej Kukucka
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1641646336 | Marketing Player
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Matej Kukucka
Lector Matej Kukucka
Matej Kukucka is the CMO at Luigi’s Box, leading a team building top e-commerce tools. He also founded Marketing Player to help marketers grow in strategy and performance. With 10+ years in B2B SaaS, he shares valuable insights, practical tactics, and key lessons from scaling tech companies.
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