AI Visibility Glossary

IndexNow

2026-07-02 · Definition · by Italo Campilii
Definition

IndexNow is an open protocol, backed primarily by Microsoft Bing and Yandex, that lets websites instantly notify participating search engines when content is created, updated, or deleted. It replaces waiting for crawlers to rediscover changes. Google has tested but not committed to adopting it.

Instead of relying on engines to recrawl a site on their own schedule, IndexNow sends a ping containing changed URLs and a verification key. Engines that support the protocol share submissions with each other, so a single notification can reach multiple search systems at once and speed up how quickly updates appear.

For freshness-sensitive publishing, Acromatico wires IndexNow into deployment pipelines so new and revised pages announce themselves the moment they ship. While Google has not formally joined, Bing-powered surfaces and some AI systems that draw on Bing's index benefit, making it a low-cost freshness signal worth automating.

Related terms

Questions people ask

Does Google support IndexNow?

Not as of 2026. Google has run tests and evaluated the protocol but has never committed to fully adopting it. Bing and Yandex are the primary adopters, and their shared submissions can reach AI systems that rely on the Bing index.

Is IndexNow worth implementing?

For sites that publish or update frequently, yes. It is inexpensive to automate, provides near-instant notification to Bing-powered surfaces, and carries no penalty risk. Treat it as a supplementary freshness signal rather than a replacement for sitemaps or solid site architecture.

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