WebsiteReviews

WEBSITE REPORT

kdp.amazon.co.jp

Latest V2 analysis: 2026-09-08 · 21:29

Overall score57/100
Run fresh analysisVisit websiteSave website
This report still uses an older scoring model. Re-run the analysis to calculate the current category scores.
SEO33Critical3/9 passed · 6 failed
Technical70Needs work7/10 passed · 3 failed
Performance75Good3/4 passed · 1 failed
Security73Needs work8/11 passed · 3 failed
Mobile33Critical1/3 passed · 2 failed
SEO · 3/9 passed · 6 failed

Failed: Meta description · Heading hierarchy · Canonical · Image alt coverage · Structured data · Open Graph metadata

Technical · 7/10 passed · 3 failed

Failed: HTML language · XML sitemap · WWW resolves

Performance · 3/4 passed · 1 failed

Failed: Response under 1s

Security · 8/11 passed · 3 failed

Failed: Content Security Policy · Referrer Policy · Permissions Policy

Mobile · 1/3 passed · 2 failed

Failed: Viewport meta tag · Responsive viewport

Category scores are calculated directly from the individual checks: passed divided by all rated checks. Unrated or not-applicable checks are shown separately and are not counted as passed.

GOOGLE SAFE BROWSING

Security reputation

Checks the website against known Google Safe Browsing threats.

No known threat
APIV5
Matches0
Checked at2026-09-12 · 02:11

Website preview

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DesktopWide browser viewport
https://kdp.amazon.co.jp/
Website preview - Desktop
MobileNarrow smartphone viewport
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REPORT SUMMARY

What matters most

Critical findings are shown before improvements.

Critical issues2
Improvements9
Strongest areaPerformance 75/100
Needs most attentionSEO 33/100
HTTP status200
Load time2092 ms
Page size157 KB
H1 headings1
Images11
Missing alt10

Search Engine Optimization

Title tagセルフ出版 | Amazon Kindle ダイレクト・パブリッシング
Meta description
CanonicalNot found
LanguageNot detected
Text / HTML ratio2.2 %

Headings

H1: 1Kindle ダイレクト・パブリッシングを利用して電子書籍や紙書籍を無料でセルフ出版し、Amazon で何百万人もの読者を獲得することができます。
H2: 0
H3: 3このページの使いやすさを評価してください · 一般的な問題のリソースについては、こちらのヘルプ センターのページをご覧ください。 · ご意見、ご要望をいただき、ありがとうございます。
H4: 1人気のコンテンツを KDP で出版するには:
H5: 0
H6: 0

Keyword cloud

kdp 7amazon 5サインイン 3kindle 3com 3adobe 3flash 3inc 2日本ではご利用できません 2最新情報 1著者の総収益は 1億円です 1詳しくはこちら 1ヘルプ 1フィードバックの送信 1

Search Preview

https://kdp.amazon.co.jp/
セルフ出版 | Amazon Kindle ダイレクト・パブリッシング
No meta description is available for this page.
Title length35 characters
Description length0 characters
Image alt coverage9%

Keyword Consistency

KeywordCountTitleDescriptionH1
kdp7
amazon5
サインイン3
kindle3
com3
adobe3
flash3
inc2
SEO & Indexability

Can search engines understand and index this page?

Indexable
TitleGood35 characters
Meta descriptionReview0 characters
Robots indexingGoodIndexing allowed
CanonicalReviewMissing
Heading hierarchyReviewSkipped heading level
Primary H1Good1 found
LanguageReviewNot detected
Structured dataReviewNot detected
Meta robotsNo restrictive directive
GooglebotNo separate directive
X-Robots-TagNot set
Hreflang0 entries
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Technical root causeWhy an issue occurs
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Usability & Technologies

robots.txtFound
XML SitemapNot found
FaviconFound
Compressiongzip
Doctypehtml
EncodingDetected
Open GraphNot detected
Twitter CardsNot detected
Schema / JSON-LDDetected
Iframes0
Embedded objects0

Server, DNS & TLS

IPv454.239.195.19, 54.239.195.103, 54.239.195.56, 54.239.195.129
IPv6Not detected
Nameserversns-860.awsdns-43.net, ns-1510.awsdns-60.org, ns-294.awsdns-36.com, ns-1601.awsdns-08.co.uk
Mail serversNot detected
TLS certificateAvailable
TLS issuerAmazon
TLS expires2027-02-13T23:59:59+00:00

Security & HTTPS

Transport encryption, certificate health, browser security headers and insecure resources.

73/100
HTTPS
Website is served over HTTPS.
HTTP → HTTPS
HTTP requests are redirected to HTTPS.
TLS certificate
Certificate is available and valid.
Mixed content
No insecure HTTP resources detected.
HSTS
Strict-Transport-Security is enabled.
!Content Security Policy
Add a restrictive Content-Security-Policy header.
MIME sniffing
X-Content-Type-Options: nosniff is enabled.
Frame protection
Frame embedding is restricted.
!Referrer Policy
Add an appropriate Referrer-Policy header.
!Permissions Policy
Restrict unnecessary browser features with Permissions-Policy.
TLS issuerAmazon
TLS expires2027-02-13T23:59:59+00:00
Days remaining158
Mixed resources0
TECHNICAL & INFRASTRUCTURE

Delivery, DNS & Server

How the website is delivered before content and SEO are considered.

89/100
HTTP status200
Response time2092 ms
HTML size157 KB
CompressionGzip compression
IPv454.239.195.19, 54.239.195.103
IPv6Not detected
Nameservers4
Mail servers0
Redirects2
HTTP → HTTPSYes
WWW resolvesNo
TLSAvailable
Content-Typetext/html;charset=UTF-8
Doctypehtml
Character encodingDetected
LanguageNot declared
Server headerServer
X-Powered-ByNot disclosed
Cache-Controlno-cache, no-store, must-revalidate, max-age=0
Primary IP54.239.195.19

Redirect Analysis

HTTP 301http://kdp.amazon.co.jp/ → https://kdp.amazon.co.jp/
HTTP 302https://kdp.amazon.co.jp/ → /ja_JP/
HTTP 200https://kdp.amazon.co.jp/ja_JP/
DOMAIN & URL

Domain & URL Analysis

Local URL-quality checks using data already collected by the core analysis.

Current URLhttps://kdp.amazon.co.jp/
HTTPSPassed
URL length25 characters
Domain length16 characters
Domain label length2 characters
Hyphen in domainNone
UnderscorePassed
IDN / PunycodeNo
Subdomains2
WWW hostNo
Canonical hostUnavailable
Redirect target hostPassed
SEO-friendly URLPassed

404 Error Page

The 404-page check is running asynchronously or unavailable.

DOMAIN PROTECTION

Typo Domains

Common typo variants are generated locally and DNS-tested asynchronously. A missing DNS record is not proof that a domain is available to register.

Typo-domain check is running asynchronously or unavailable.

Domain Registration (RDAP)

RDAP data unavailable for this domain. The check runs asynchronously and does not delay the core report.

PageSpeed Insights

Mobile and desktop Lighthouse performance, measured asynchronously.

Deferred during crawler run

SEO

Title presentPassed
Title lengthPassed
×Meta descriptionNeeds attention
Exactly one H1Passed
×Heading hierarchyNeeds attention
×CanonicalNeeds attention
×Image alt coverageNeeds attention
×Structured dataNeeds attention
×Open Graph metadataNeeds attention

Technical

HTTP status 2xxPassed
×HTML languageNeeds attention
Character encodingPassed
HTML doctypePassed
Robots allows indexingPassed
robots.txtPassed
×XML sitemapNeeds attention
FaviconPassed
Internal links presentPassed
×WWW resolvesNeeds attention

Performance

×Response under 1sNeeds attention
Response under 2.5sPassed
HTML under 500 KBPassed
Compression enabledPassed

Security

HTTPSPassed
HTTP redirects to HTTPSPassed
Valid TLS certificatePassed
No mixed contentPassed
HSTSPassed
×Content Security PolicyNeeds attention
MIME sniffing protectionPassed
Frame protectionPassed
×Referrer PolicyNeeds attention
×Permissions PolicyNeeds attention
Email privacyPassed

Mobile

×Viewport meta tagNeeds attention
×Responsive viewportNeeds attention
No embedded objectsPassed
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