アメーバブログ（アメブロ）
Depends
Confidence: Medium
Choose it if you want a free personal blog with Japan's biggest built-in reader community and celebrity content.
Comparison
アメーバブログ（アメブロ） vs Hatena Blog
アメーバブログ（アメブロ） and Hatena Blog both land on Depends.
Hatena Blog
Depends
Confidence: Medium
Buy it if you write in Japanese and want a free, low-fuss blog . it's the default choice for Japan-focused writers.
| Compare | アメーバブログ（アメブロ） | Hatena Blog |
|---|---|---|
| Verdict | Depends | Depends |
| Best for | Personal hobby diaries | Japanese-language personal bloggers |
| Who it's not for | Businesses needing own domain and SEO control | Global or English-first brands chasing mass reach |
| Privacy | External scanner rated 87.5/100; no public vulnerabilities or breaches found in sources reviewed.⁷ | One takeover-risk finding flagged by researchers; no public security page; no known CVEs.14 |
| Support quality | No support evidence found | No support evidence in sources |
| Public sentiment | Comparison articles and Q&A threads cast it as an easy, free beginner platform, with monetization weaker than note and flexibility limits versus WordPress.⁴ | Users and analysts treat Hatena Blog as the reliable free default for Japanese writing, but niche rather than mass-market.12 |
| Biggest gotcha | Guess: content export is limited and SEO control is weak; platform lock-in is real⁴ | Hatena Group was shut down entirely in 2020 . platform sunset risk is real15 |
Pick アメーバブログ（アメブロ） when
- Personal hobby diaries
- Japan-focused lifestyle writers
- Beginners wanting free hosting
- Celebrity/fan content readers
When アメーバブログ（アメブロ） is not a fit
- Businesses needing own domain and SEO control
- Affiliate bloggers chasing income
- Teams needing a multi-author CMS
- Anyone prioritizing easy data export
Pick Hatena Blog when
- Japanese-language personal bloggers
- Dev/engineering team blogs
- Hobby and niche reviewers
- Japan-market brand content on a budget
When Hatena Blog is not a fit
- Global or English-first brands chasing mass reach
- Teams needing full CMS control or headless flexibility
- Businesses needing vendor longevity guarantees or SLAs
- Design-heavy marketing sites
Sources
- アメーバブログ（アメブロ）公式ameblo.jpofficial
- Amebaブログの有料プランcontent.ameba.jpofficial
- Amebaブログの有料プランガイドラインhelps.ameba.jpofficial
- アメブロはどこが凄い？デメリットや料金onamae.comreview
- 無料ブログサービス4種類を1ヶ月運用比較imd-net.comreview
- アメブロとnoteどっちが稼げる？amebaking.client.jpreview
- ameblo.jp security report 87.5/100cystack.netsecurity
- アメブロは金がかかりますか？ 知恵袋detail.chiebukuro.yahoo.co.jpreview
- アメブロでアフィリエイト Ameba Pickyoutube.comofficial
- Hatena Blog official sitehatena.blogofficial
review
review
review
- Hatenablog takeover detection (Beagle Security)beaglesecurity.comsecurity
news
- Hatena Co., Ltd. (3930.T) profilefinance.yahoo.comofficial