DataJapan
DataJapan is a web hosting provider based in Ota-ku, Japan. As of 2026 it holds an HRI of 51/100, a developing signal, ranked independently by HostList with no paid placements.
DataJapan, established in 1991, is a web hosting provider located in Ota-ku, Tokyo, Japan. The company specializes in Windows Server hosting and offers domain registration services. Their infrastructure supports various hosting services tailored for different needs, including shared hosting. DataJapan is recognized for its focus on providing services that cater to local businesses and individuals seeking specific hosting configurations. The company's offerings are suitable for users looking for reliable Windows-based hosting services in the Japanese market.
Reviews & company details
Before You Sign Up
Promoted placement. Does not affect HRI, ranking order or eligibility.
What DataJapan Discloses
Facts the company has published and HostList has verified. Blanks are informative: a question a host has not answered cannot be answered on its behalf. Completeness measures how much this host discloses, not how good it is.
DataJapan has not disclosed any facts yet. Pricing transparency, refund window, uptime SLA and data residency are among the 30 questions still unanswered. HostList verifies every disclosure and never charges for it.
Claim profile to discloseView the 30 questions we ask
- Entry plan price
- Refund window
- Site migration
- Verified coupon
- Status page
- Incident history feed
- Uptime SLA
- Ownership
- Legal entity
- Data residency
- GDPR DPA
- Datacenter regions
- Server stack
- Storage
- Security included
- Security contact
- Certifications
- Data centre model
- Backups
- Support
- Support languages
- Published plans
- Resource limits
- Renewable energy
- Description
- Logo
- Founded
- Social profiles
- YouTube
- Changelog
Waiting on data
HostList only shows what it can verify. Each of these sections appears the moment the data exists.
Interview
No WP Legends interview recorded with DataJapan.Deals
No active deals. Deals appear once DataJapan claims this profile and posts them.Claim to post dealsReviews
No reviews yet. First-hand reviews help other buyers; they never affect HRI.Write the first reviewRankings
Not yet ranked in a category. Rankings are computed, never paid.Frequently Asked Questions About DataJapan
What is DataJapan's HRI?
DataJapan has a HRI™ of 51/100 on HostList.io. HRI is calculated algorithmically from trust signals, profile completeness, data freshness, and performance data. Providers can improve their score by claiming their profile, keeping data current, and building verified reviews. No provider can pay to increase their score.
What type of hosting company is DataJapan?
DataJapan is classified as a dedicated web hosting company on HostList.io. Use the HostMatch™ tool at hostlist.io/match to describe your project requirements and get a ranked recommendation from 30,000+ hosting providers including DataJapan.
Where is DataJapan based?
DataJapan is headquartered in Ota-ku, Japan. Hosting companies based in Japan are listed at hostlist.io/hosting/japan.
How does DataJapan compare to other web hosting companies?
DataJapan can be compared to any other hosting provider using HostList.io's side-by-side comparison tool at hostlist.io/compare. The tool shows both providers' HRI™ breakdowns, sub-scores (Trust, Completeness, Freshness, Performance), and review data side by side. DataJapan has a current HRI of 51/100.
How DataJapan's Score Is Calculated
HRI is calculated algorithmically based on publicly available data. It considers trust signals (reviews, ratings), data completeness, freshness of information, and technical performance. No host can pay to improve their score.
Full methodology →