How does Yahoo work today?
Yahoo works as a content portal with a search box, built on Microsoft’s search index. Users come for Yahoo Mail, Yahoo Finance, Yahoo News and Yahoo Sports, and search from the same pages. Since a 10-year agreement announced on 29 July 2009, Bing has supplied Yahoo’s organic and paid search results, while Yahoo controls how the results page looks. Under the original terms, Microsoft paid Yahoo 88% of search revenue from Yahoo sites for the first five years.
The main Yahoo products are:
- Yahoo Search and the Yahoo Scout AI answer engine.
- Yahoo Mail, one of the oldest free email services.
- Yahoo Finance, a widely used source of market data.
- Yahoo News and Yahoo Sports, content hubs with large audiences.
History of Yahoo: key dates
Yahoo started as a hand-made directory of websites called “Jerry and David’s guide to the World Wide Web”, created by two Stanford graduate students.
| Date | Event |
|---|---|
| January 1994 | Jerry Yang and David Filo start the web directory |
| March 1994 | The directory is renamed Yahoo! |
| April 1996 | Yahoo goes public |
| 29 July 2009 | Microsoft and Yahoo sign a 10-year search deal: Bing powers Yahoo search |
| 13 June 2017 | Verizon completes the purchase of Yahoo’s internet business |
| 1 September 2021 | Apollo buys 90% of Yahoo for 5 billion USD |
| 27 January 2026 | Yahoo launches the Scout AI answer engine in beta in the US |
Yahoo search market share
Yahoo is a small but still relevant search engine, strongest in the United States. Statcounter’s September 2026 data shows the worldwide picture:
| Search engine | Worldwide share (Sep 2026) | Poland (Sep 2026) |
|---|---|---|
| 89.94% | 89.56% | |
| Bing | 5.29% | 7.38% |
| Yahoo! | 1.36% | 0.51% |
| Yandex | 1.30% | 1.44% |
| DuckDuckGo | 0.74% | 0.79% |
When Apollo took over in 2021, it described Yahoo as having about 900 million monthly users worldwide. In January 2026 Yahoo reported 250 million monthly users in the US alone.
Yahoo Scout: Yahoo’s AI search
Yahoo Scout is an AI answer engine that writes answers with sources instead of showing ten blue links. It launched in beta on 27 January 2026, runs mainly on Anthropic’s Claude models and uses Microsoft Bing’s grounding API to pull sources from the open web. CEO Jim Lanzone presented it as a return to Yahoo’s search roots, and in June 2026 Yahoo added Scout tools for sports and finance.
Yahoo in SEO and marketing
Yahoo matters for SEO because ranking in Bing also gets you into Yahoo, and now into Yahoo Scout answers. There is no separate Yahoo index to optimise for: verify the site in Bing Webmaster Tools, keep the sitemap clean and make sure Bingbot can crawl key pages. Search ads on Yahoo are bought through Microsoft Advertising, so a CPC campaign there reaches Bing, Yahoo and partner sites together.
For international projects, Yahoo traffic is worth checking in the US, where Yahoo reports 250 million monthly users. In my international SEO audits I look at Bing data per country before deciding whether Yahoo deserves extra attention. The same structured, citable content that helps with Generative Engine Optimization also improves your chance of being quoted by Scout.
Yahoo vs Google
| Feature | Yahoo | |
|---|---|---|
| Search index | Microsoft Bing | Own index |
| Ads platform | Microsoft Advertising | Google Ads |
| AI answers | Yahoo Scout | AI Overviews and AI Mode |
| World share (Sep 2026) | 1.36% | 89.94% |
Frequently asked questions about Yahoo
Who founded Yahoo?
Yahoo was founded in January 1994 by Jerry Yang and David Filo, then graduate students at Stanford University. It started as a directory of websites and was renamed Yahoo! in March 1994.
Who owns Yahoo now?
Yahoo is owned by funds managed by Apollo Global Management, which hold 90%, while Verizon keeps 10%. Apollo completed the 5 billion USD deal on 1 September 2021.
Does Yahoo use Bing?
Yes, Yahoo search results are powered by Microsoft Bing under an agreement first announced in July 2009. Its AI engine Yahoo Scout also uses Bing's grounding API for web sources.
What is Yahoo's search market share?
Yahoo held 1.36% of the worldwide search market in September 2026, according to Statcounter. In Poland its share was 0.51% in the same month.
Related terms
- Search Engine Market Share Worldwide · Statcounter Global Stats
- Search Engine Market Share Poland · Statcounter Global Stats
- Yahoo launches AI answer engine, Scout · Axios
- Microsoft and Yahoo! search agreement (Form 8-K, exhibit 99.1) · U.S. SEC
- Apollo completes its $5B acquisition of Verizon Media, now known as Yahoo · TechCrunch
- Yahoo · Wikipedia
