This paper aims to find out the possible effect of the use or nonuse of diacritics in Yoruba search queries on the performance of major search engines. AOL. Bing. Google and Yahoo. https://www.ngetikin.com/limited-value-Sapatilha-Infantil-Pampili-Bailarina-Laco-Duplo-Glitter-Prata-great-pick/