Online Advertising Platforms Ranked #26–#50 in Japan by Market Share (2026)

📈 Online Advertising Platforms Ranked #26–#50 in Japan

Online advertising is done using various technologies, including advertising networks, ad servers, demand-side platforms (DSPs), and supply-side platforms (SSPs).

Japan is an East Asian country with a population of around 125 million people.

Statistics based on 201K+ analyzed websites. About this data

The following list shows the online advertising platforms ranked from 26th to 50th out of 123 used on websites in Japan.

Rank	Name	Market share
26	The Trade Desk Ventura, California, United States A programmatic demand-side platform that enables marketers to plan, execute, and optimize data-driven advertising campaigns across digital channels.	0.5%
27	Outbrain New York, United States A content discovery and native advertising platform that helps advertisers promote sponsored content and recommendations on publisher sites. $$$	0.4%
28	Magnite New York, United States An omnichannel supply-side and CTV/video advertising platform formed in 2020 through the merger of Rubicon Project and Telaria.	0.4%
29	PopIn Tokyo, Japan A Japanese demand-side advertising platform focused on native and content recommendation advertising.	0.4%
30	Recruit Tokyo, Japan A Japanese web advertising platform that provides ad delivery and user targeting.	0.3%
31	Nexxen New York, United States A flexible, video-first, unified demand-side and sell-side advertising platform.	0.3%
32	Tapad New York, United States Tapad Graph enables marketers to identify customers across multiple devices and apply programmatic targeting, media measurement, attribution, and personalization.	0.3%
33	Microsoft Invest Redmond, Washington, United States A demand-side ad management platform created after Microsoft's acquisition of Xandr to facilitate programmatic media buying. Legacy	0.2%
34	Teads New York, United States A global omnichannel ad monetization platform that provides publishers with video and display advertising solutions.	0.2%
35	PubMatic Redwood City, California, United States A supply-side programmatic advertising platform that enables digital publishers to sell advertising inventory through automated auctions and direct deals.	0.2%
36	Ezoic Carlsbad, California, United States A technology platform for digital publishers that provides ad revenue optimization solutions and works as a Google-certified publishing partner. $$$	0.2%
37	OpenX Pasadena, California, United States A programmatic advertising and supply-side platform that helps publishers monetize digital inventory across web, mobile, video, and connected TV.	0.2%
38	Adobe Advertising San Jose, California, United States A cross-channel platform that offers brands the ability to plan, buy, manage, measure, analyze and optimize display, video, native, mobile, audio, search and connected TV advertising campaigns.	0.1%
39	BidSwitch Paris, France Middleware that optimizes trading connectivity between different programmatic technology platforms, enabling SSPs to integrate with more than 220 DSPs.	0.1%
40	Index Exchange Toronto, Ontario, Canada A global advertising supply-side platform that connects digital publishers and media buyers through a real-time advertising exchange.	0.1%
41	RTB House Warsaw, Poland A global advertising company that specializes in targeted advertising, including retargeting and real-time bidding.	0.1%
42	ID5 London, United Kingdom An omnichannel identity platform that enables addressable advertising by helping publishers and advertisers recognize users across websites, mobile apps, and other digital properties. $$$	0.1%
43	Media.net Dubai, United Arab Emirates An omnichannel supply-side platform that uses a proprietary contextual engine to deliver programmatic advertising without cookies or audience data.	0.1%
44	Equativ Paris, France Offers a comprehensive suite of buy-side and sell-side ad tech solutions, including its own independent ad server, SSP and buyer tools.	0.09%
45	ExoClick Barcelona, Spain A global online advertising network that specializes in adult traffic.	0.08%
46	Prebid.js New York, United States An open-source library for publishers to quickly implement header bidding advertising. FreeOpen source	0.08%
47	Yahoo Advertising New York, United States A pay-per-click digital advertising platform.	0.08%
48	AdRoll San Francisco, California, United States A digital advertising platform that enables businesses to run AI-driven, cross-channel campaigns with audience targeting, retargeting, and dynamic personalization. $36+/month	0.08%
49	Google Interactive Media Ads Mountain View, California, United States Google Interactive Media Ads enable publishers to request ads from any VAST-compliant ad server and manage ad playback.	0.08%
50	GeoEdge Nicosia, Cyprus An ad quality and security platform that protects against malvertising and controls ad quality. Free$$$	0.08%

👉 See Also

🌎 Advertising in other countries

🗃️ About This Data

We evaluate the popularity of technologies based on the number of websites where we detect their usage.
Technologies without a detectable web footprint, and those we do not track, are not reflected in the calculated market share.
This report is based on the analysis of 201,040 websites from Japan.
We currently track the presence of 200 online advertising platforms across the web.
Of these, 123 were detected on websites from Japan.
Statistics were last calculated on September 19, 2026.
For more details, see our methodology and disclaimer.