IndexNow: Instant Indexing for Faster Search Visibility

What Is IndexNow?

IndexNow is an open protocol that allows website owners to instantly notify search engines when content is created, updated, or deleted. Instead of waiting for search engines to discover changes through crawling (which can take days or weeks), IndexNow pushes a notification that triggers immediate crawling.

The protocol was initially developed by Microsoft (Bing) and Yandex, and has since been adopted by additional search engines. It's especially valuable for content-heavy sites where timely indexing matters — news sites, e-commerce, and pSEO operations that publish content in bulk.

How IndexNow Works

IndexNow operates through a simple HTTP API:

1. You generate and host a verification key file on your website
2. When you publish or update content, you send a POST request to the IndexNow API with the URLs
3. The search engine verifies your key and queues the URLs for immediate crawling
4. The search engine crawls your pages and updates its index

The entire process from notification to crawl typically takes minutes, compared to days or weeks with passive crawling. You can submit up to 10,000 URLs per request, making it ideal for bulk publishing.

Supported Search Engines

• Bing — Full support. IndexNow was co-developed by Microsoft.
• Yandex — Full support. Co-developer of the protocol.
• Naver — Supports IndexNow for Korean search.
• Seznam — Czech search engine with IndexNow support.

Notably, Google does not support IndexNow as of 2026. For Google, use the Google Indexing API (limited to job postings and live streams) or rely on XML sitemaps and Search Console URL inspection. Google has stated it's evaluating IndexNow but hasn't committed to implementation.

Despite Google's absence, IndexNow is valuable because Bing powers several AI systems (including ChatGPT's browsing and Microsoft Copilot), making fast Bing indexing important for AI visibility.

Implementation Guide

Setting up IndexNow:

Step 1: Generate Your Key

Generate a unique key (any string of 8-128 hex characters) and create a text file named [your-key].txt containing just the key. Host this file at your website root.

Step 2: Submit URLs

Send a POST request to the IndexNow endpoint when content changes. The request body includes your host, key, and the list of URLs to index.

Step 3: Automate Submissions

Integrate IndexNow into your publishing workflow so URLs are submitted automatically whenever content is published, updated, or deleted. Most CMS platforms have plugins or APIs that make this straightforward.

Best Practices

• Only submit URLs with genuine content changes — don't submit unchanged pages
• Submit the canonical URL, not alternate versions
• Batch submissions where possible to reduce API calls
• Monitor submission success rates in Bing Webmaster Tools
• Combine IndexNow with XML sitemap updates for maximum coverage

IndexNow for pSEO

IndexNow is particularly valuable for programmatic SEO operations:

• Bulk publishing: When you generate and publish 100+ pSEO pages, IndexNow notifies search engines immediately rather than waiting for the next crawl cycle.
• Content updates: When data changes (updated competitor pricing, new location data), IndexNow ensures search engines see the fresh content quickly.
• Rollback protection: If you need to noindex or remove pages, IndexNow speeds up the de-indexing process.

IndexNow with SeCoFlow

SeCoFlow integrates IndexNow into the publishing workflow:

• Automatic submission: When content is published or updated through SeCoFlow, IndexNow notifications are sent automatically to all supported search engines.
• Bulk publishing support: pSEO page generation includes batched IndexNow submissions, ensuring all new pages are queued for immediate indexing.
• Index monitoring: Track which pages have been submitted, crawled, and indexed, with alerts for pages that aren't getting indexed despite submission.
• Google Indexing API integration: For eligible content types, SeCoFlow also submits to Google's Indexing API alongside IndexNow, covering both major search platforms.