Naver, the 24-year-old South Korean search engine, now supports the IndexNow protocol. That makes four search engines that use IndexNow to discover and index content for their search engines. Naver announced this on their blog in Korean saying starting today, Naver Search supports IndexNow so that search engines can recognize the latest website content. They posted a disclaimer that all search engines have posted, “It should be noted that the IndexNow protocol notifies search engines of changes in the website quickly, but does not guarantee the indexing of the webpage.”What is IndexNow. IndexNow provides a method for website owners to instantly inform search engines about the latest content changes on their websites.