Nima Shayanfar enhanced Persian language processing in the Yoast/wordpress-seo repository by expanding linguistic categories and refining language data for improved NLP accuracy. He focused on internationalization and linguistics, adding new Persian words and phrases, and normalizing grammatical forms such as adjectives, adverbs, intensifiers, and auxiliary verbs. His approach included removing nonessential characters and addressing orthographic nuances like zero-width non-joiners to ensure data consistency. Working in JavaScript, Nima’s contributions improved the model’s comprehensiveness and localization readiness for Persian-speaking users. The work demonstrated depth in natural language processing and careful attention to linguistic detail, though it was limited to a single feature.