au (KDDI)
The site of KDDI's au mobile brand with plans, devices, au PAY and Ponta points.
au at a glance
au is a technology website and one of the most visited sites in Japan, currently ranked #63 in the country. It was founded in 1984 by Kazuo Inamori and is headquartered in Tokyo, Japan. Today au is owned by KDDI Corporation. Our estimates put its audience at ≈ 210 million visits per month. The business earns money mainly through mobile subscriptions, device sales, financial services. Its closest rivals include docomo.ne.jp, softbank.jp, rakuten.co.jp.
Traffic statistics
Traffic history
| Period | Visits | Change |
|---|---|---|
| Q1 | ≈ 197 million / month | +2% |
| Q2 | ≈ 204 million / month | +3% |
| Q3 | ≈ 210 million / month | +3% |
| Q4 | ≈ 223 million / month | +6% |
Traffic sources
- Direct56%
- Organic search27%
- Referral9%
- Social5%
- Paid3%
Audience & demographics
- Men57%
- Women43%
- Age 25-3432%
- Age 35-4424%
- Age 18-2421%
The audience is concentrated in Japan, skewing urban and mobile, with usage peaks in the evening hours.
Geographic reach
- Japan86%
Home market
- Diaspora and neighbouring markets7%
- Europe3%
- North America2%
- Rest of world2%
SEO profile
- Estimated organic traffic
- ≈ 63 million visits / month
- Branded share of search
- High — brand terms lead the keyword profile
- Indexed pages
- Large — category, listing or article level
- Primary search market
- Japan
Top organic keywords
| Keyword | Position | Volume | Traffic share |
|---|---|---|---|
| au (kddi) | 1 | Very high | Dominant |
| login | Top 10 | High | — |
| app download | Top 10 | High | — |
| pricing | Top 10 | High | — |
Backlink profile
- Referring domains
- Tens of thousands
- Link profile
- News coverage, directories, blogs and partner sites
- Authority
- High within the Japan web
Top referral sources
- News and media31%
- Directories and aggregators24%
- Blogs and forums20%
- Partner sites14%
- Other11%
Technology stack
Website technologies
Advertising & analytics technologies
Stack details are inferred from public front-end signals and engineering communications; internal systems may differ.
Mobile app statistics
Available in the local store
Available in the local store
- App share of traffic
- ≈ 68% mobile
- Position in country
- Among the leading technology apps in Japan
Company information
- Website
- au.com
- Sector
- Technology
- Owner
- KDDI Corporation
- Owner type
- Public company
- Founders
- Kazuo Inamori
- Founded
- 1984
- Headquarters
- Tokyo, Japan
- Employees
- 45,000+
- Ownership
- KDDI Corporation controls the platform. Ownership details are based on public filings and press reporting.
- Revenue
- ≈ $35 billion annual revenue (est.)
- Languages
- Japanese, English
- Top traffic sources
- direct, organic search, referral
Financials
- Revenue
- ≈ $35 billion annual revenue (est.)
- Ownership
- Public company
- Reporting
- Figures based on public filings, press reports and market estimates
Business model & revenue
au (KDDI) operates a technology platform focused on Japan. The site of KDDI's au mobile brand with plans, devices, au PAY and Ponta points. Revenue comes mainly from mobile subscriptions, supported by the other lines listed below.
- Mobile subscriptions
- Device sales
- Financial services
Products & services
Related deals on Amazon
As an Amazon Associate, Global Site Index earns from qualifying purchases.
International presence
- Primary market
- Japan
- Expansion
- Regional and diaspora audiences beyond the home market
Employee statistics
Customer statistics
Website rankings
- Country rank (Japan)
- #63 in this index
- Sector rank
- Leading technology site in Japan
- Global rank
- 350
Main competitors
Website comparisons
| Website | Monthly visits | Rank | Notes |
|---|---|---|---|
| docomo.ne.jp | ≈ 126 million / month | #64 class competitor | — |
| softbank.jp | ≈ 94.5 million / month | #65 class competitor | — |
| rakuten.co.jp | ≈ 63 million / month | #66 class competitor | — |
What is au (KDDI)?
au (KDDI) (au.com) is a technology platform serving users in Japan. The site of KDDI's au mobile brand with plans, devices, au PAY and Ponta points. It ranks #63 among the most visited websites in the country in this index, within the technology category.
Who owns au (KDDI)?
The site is operated by KDDI Corporation, founded by Kazuo Inamori. The company was established in 1984 and is headquartered in Tokyo, Japan. It employs around 45,000+.
Traffic and audience
Traffic estimates place au (KDDI) at roughly 210 million visits per month, about 7 million per day. Around 68% mobile of sessions come from mobile devices, and visitors view about 5.6 pages per visit with an average session of 5 min.
How au (KDDI) makes money
Revenue comes primarily from mobile subscriptions, alongside device sales, financial services.
Competitors in Japan
Its closest rivals include docomo.ne.jp, softbank.jp, rakuten.co.jp.
Data and accuracy
Company facts are drawn from public sources. Traffic, revenue and audience figures are third-party estimates or sector benchmarks, marked with ≈ where modelled, and are reviewed periodically.
Company history & milestones
- 1984
au (KDDI) is founded in Tokyo, Japan.
- Growth phase
Expands its technology offering and moves to a mobile-first product.
- Today
Ranks #63 among the most visited websites in Japan.
User reviews & ratings
| Source | Score | Reviews | Notes |
|---|---|---|---|
| Google Play | ≈ 4.3 / 5 | — | Ratings from the local store listing |
| App Store | ≈ 4.5 / 5 | — | Ratings from the local store listing |
| Consumer review platforms | Mixed | — | Service and support are common themes |
App store ratings are solid, while consumer review platforms show the usual friction around support and service quality.
Pros & cons
Pros
- Fast, reliable core product used daily
- Deep local language and market support
- Strong developer and integration ecosystem
- Free tier with broad reach
Cons
- Data collection and privacy questions from advertising
- Feature set can be complex for new users
- Limited direct customer support
- Dependence on advertising revenue
Key statistics
Frequently asked questions
Who owns au (KDDI)?
au (KDDI) is operated by KDDI Corporation. Public company structure, based on public filings and press reporting.
Where is au (KDDI) headquartered?
au (KDDI) is headquartered in Tokyo, Japan.
When was au (KDDI) founded?
au (KDDI) was founded in 1984 by Kazuo Inamori.
How many employees does au (KDDI) have?
au (KDDI) employs approximately 45,000+ people.
What is au (KDDI)'s revenue?
au (KDDI)'s revenue: ≈ $35 billion annual revenue (est.).
Who are au (KDDI)'s competitors?
Main competitors in Japan include docomo.ne.jp, softbank.jp, rakuten.co.jp.
How does au (KDDI) make money?
Mainly mobile subscriptions, device sales, financial services.
Is au (KDDI) publicly traded?
au (KDDI)'s ownership: Public company.
How many visitors does au (KDDI) get?
Third-party estimates place au (KDDI) at roughly 210 million visits per month, mostly from Japan, with 68% mobile traffic.
Is au (KDDI) safe?
au (KDDI) is an established technology site founded in 1984 and ranked #63 in Japan; use the official domain au.com and HTTPS.
Popular searches
Data sources & confidence
- Company website and public announcementsau.com
- Third-party traffic estimation providersSimilarweb-class estimates
Visit figures are modelled, not measured
- App store listingsApple App Store, Google Play
- Press and market coverageJapan and international business media
- Data confidence
- Medium for company facts, medium-low for traffic and financial estimates. All modelled figures are rounded and marked with ≈.
- Last updated
- September 2026
Traffic, revenue and audience figures are third-party estimates or derived from sector benchmarks, and are reviewed periodically.
Social media profiles & statistics
Official brand account
Announcements and support
Community and campaigns
Company and hiring updates
Brand and product videos