Read on to learn whether there is any connection between alt text and improved rankings in Google Image Search results. The Claim: Alt Text Is A Ranking FactorWhat is alt text? Alt Text As A Ranking Factor: The EvidenceGoogle emphasizes how alt text plays a vital role in getting your images recognized by Google Image Search. In a section called “about alt text,” Google discusses the use of alt text. That said, alt text isn’t a magic SEO bullet.”Alt Text As A Ranking Factor: Our VerdictAlt text is a confirmed ranking factor for image search only.