# AI Search Tracker (March 2026)

**Last updated:** 2026-03-22  
**Source:** https://www.lawrencehitches.com/ai-search-tracker/

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A living timeline of every major feature change, update, and launch across AI search platforms - ChatGPT Search, Google AI Overviews, Microsoft Copilot, Perplexity, and Claude. Updated regularly.

Bookmark this page. It's the fastest way to stay current on how AI search is evolving.

*Last updated: March 2026*

## March 2026

| Date | Platform | Change | SEO Impact |
|---|---|---|---|
| Mar 2026 | Google AI Mode | AI Mode expanding to more countries and query types. Now handles complex multi-step research queries with follow-up questions. | More informational queries getting AI-generated answers instead of traditional results. Content needs to be structured for extraction. |
| Mar 2026 | ChatGPT | ChatGPT Shopping feature expanding - product recommendations with images, pricing, and direct purchase links integrated into conversational responses. | E-commerce brands need product feeds and structured data optimised for ChatGPT's shopping crawl.E-commerce SEOnow includes AI shopping visibility. |
| Mar 2026 | Perplexity | Perplexity Pages gaining traction - users creating and sharing curated research pages that cite sources. | Being cited in Perplexity Pages creates persistent backlink-like references. Authoritative, well-structured content gets cited more. |

## February 2026

| Date | Platform | Change | SEO Impact |
|---|---|---|---|
| Feb 2026 | Google | AI Overviews now appearing for approximately 30-40% of informational queries in the US. Expanding to more countries. | Pages ranking in positions 1-10 are primary citation sources.AI Overview optimisationis now essential, not optional. |
| Feb 2026 | Microsoft Copilot | Copilot Vision rolling out - can see and interpret what's on your screen, answer questions about web pages you're viewing. | Copilotbecoming more contextual. Content that's visually clear and well-structured benefits from screen-reading capabilities. |
| Feb 2026 | ChatGPT | GPT-4.5 released with improved reasoning and reduced hallucination. ChatGPT Search using updated model for better source selection. | Higher-quality source selection means authoritative, well-cited content is increasingly favoured over thin pages. |

## January 2026

| Date | Platform | Change | SEO Impact |
|---|---|---|---|
| Jan 2026 | Google | AI Mode launched as a dedicated tab in Google Search for select users. Provides deep research with multi-step reasoning and cited sources. | AI Mode pulls from Google's index but reformats content heavily.AI SEOstrategy needs to account for both traditional rankings AND AI Mode citations. |
| Jan 2026 | Perplexity | Perplexity hits 100M+ monthly active users. Revenue-sharing program for publishers whose content is cited. | Allowing PerplexityBot in robots.txt now has a direct revenue incentive for publishers. Review yourrobots.txtconfiguration. |

## Q4 2025

| Date | Platform | Change | SEO Impact |
|---|---|---|---|
| Dec 2025 | ChatGPT | ChatGPT Search rolling out to free users (previously Pro/Plus only). Massive expansion of AI search user base. | Volume of AI-referred traffic increasing significantly. Track viautm_source=chatgpt.comin GA4. |
| Nov 2025 | Google | AI Overviews expanded to 100+ countries. Now includes shopping, local, and travel verticals. | AI Overviews no longer a US-only concern. Australian and APAC SEOs need to optimise for them now. |
| Oct 2025 | Microsoft | Copilot deeply integrated into Windows 11 24H2 update. Every Windows user now has AI search built into their OS. | Bing optimisationmatters more than ever - Copilot uses Bing's index for all web queries. |
| Oct 2025 | Perplexity | Perplexity launches advertising. Sponsored answers appear alongside organic citations. | Organic citation in Perplexity now competes with paid placements. Quality and authority signals become more important for organic visibility. |

## Q3 2025

| Date | Platform | Change | SEO Impact |
|---|---|---|---|
| Sep 2025 | Google | AI Overviews begin showing for commercial/transactional queries, not just informational. | Product pages and commercial content now affected.E-commerce SEOstrategies need AI Overview consideration. |
| Aug 2025 | ChatGPT | ChatGPT memory feature improved - remembers user preferences across conversations, personalising search results. | Brand mentions in previous ChatGPT conversations can influence future recommendations. Brand presence in AI training data matters more. |
| Jul 2025 | Claude | Claude 3.5 Sonnet released with improved web search capabilities. Claude begins competing more directly as a search alternative. | Another AI platform to optimise for. Ensure ClaudeBot is allowed in robots.txt. |

## Q2 2025

| Date | Platform | Change | SEO Impact |
|---|---|---|---|
| Jun 2025 | Google | Google I/O announces AI Mode as a core Search experience. Gemini integration deepens across Search, Maps, and Shopping. | Google's commitment to AI-first search confirmed. Traditional blue links declining for informational queries. |
| May 2025 | Google | AI Overviews quality improvements - fewer hallucinations, better source attribution, expandable citations. | Google increasingly citing pages with strongE-E-A-T signals. Author expertise and source credibility matter more. |
| Apr 2025 | Perplexity | Perplexity Pro launches with higher query limits and access to multiple AI models (GPT-4, Claude, Gemini). | Perplexity users getting more sophisticated. Content quality bar rises for citation. |

## Q1 2025

| Date | Platform | Change | SEO Impact |
|---|---|---|---|
| Mar 2025 | Google | March 2025 Core Update - significant ranking volatility. AI Overviews appearing for more query types post-update. | Sites with thin content, weak E-E-A-T, or poor technical foundations hit hardest. Content quality bar raised again. |
| Feb 2025 | ChatGPT | OpenAI launches ChatGPT Search as a default feature for Plus and Pro subscribers. No longer requires manual activation. | ChatGPT search volume jumps significantly.ChatGPT optimisationbecomes a real SEO channel, not a novelty. |
| Jan 2025 | Microsoft | Copilot rebranded and repositioned as Microsoft's primary AI interface. Deep integration with Edge, Windows, and M365. | Copilot no longer optional - it's the default search experience for Microsoft ecosystem users. |

## 2024 Highlights

| Date | Platform | Change | SEO Impact |
|---|---|---|---|
| Oct 2024 | ChatGPT | ChatGPT Search (SearchGPT) launches. Real-time web browsing with cited sources in conversational format. | A new search engine is born.Optimising for ChatGPTbecomes a distinct discipline. |
| Aug 2024 | Google | AI Overviews exit Labs and roll out to all US users. First major deployment of generative AI in core search. | The moment AI search went mainstream. Every SEO strategy needs an AI component from this point. |
| May 2024 | Google | Google I/O reveals AI Overviews (rebranded from AI Overviews). Announces rollout to 1 billion users by year end. | Signal that Google is committed to AI-first search.AI Overview optimisationmoves from experimental to essential. |
| Mar 2024 | Perplexity | Perplexity raises $73.6M at $520M valuation. Establishes itself as the leading AI-native search engine. | Perplexity is not going away. SEOs need to consider it alongside Google and ChatGPT. |

## How to Use This Tracker

If you're an SEO practitioner or brand owner, use this page to:

- **Stay current** on what each AI search platform is doing - without reading 20 different sources
- **Prioritise your AI SEO work** - focus on the platforms making the biggest changes
- **Brief your team or clients** - share this page as a single reference for AI search developments
- **Spot opportunities early** - new features often create first-mover advantages for brands that adapt quickly

For a deeper dive into optimising for each platform, see:

- [What is AI SEO?](https://www.lawrencehitches.com/what-is-ai-seo/)
- [How to Show Up in ChatGPT Results](https://www.lawrencehitches.com/chatgpt-optimization/)
- [How to Appear in AI Overviews](https://www.lawrencehitches.com/how-to-appear-in-ai-overviews/)
- [How to Rank in Microsoft Copilot](https://www.lawrencehitches.com/copilot-search-optimization/)
- [AI Visibility Optimisation](https://www.lawrencehitches.com/ai-visibility-optimization/)

Want this delivered to your inbox? [Get in touch](https://www.lawrencehitches.com/contact/) - I'm considering launching a weekly AI search digest.

Want to run this yourself? Grab the [Claude skills for SEO](https://www.lawrencehitches.com/claude-seo-skills/) the StudioHawk team uses on live client work.

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*Lawrence Hitches is an AI SEO consultant in Melbourne and Chief of Staff at StudioHawk, Australia's most awarded SEO agency. Agent edition of this site: https://www.lawrencehitches.com/md/index.md*