manga-one.com
マンガワン
Last scanned Aug 24, 2026, 1:22 PM · 3 views
Overall score
Great
Summary
小学館の漫画が読める総合webコミックサイト 「モブサイコ」「ケンガンアシュラ」などマンガワンオリジナル作品を多数掲載。 まんが雑誌「サンデー」「スピリ��… This website uses Next.js hosted on InfoSphere - NTT PC Communications, Inc., JP. SEO is fair (70/100) and accessibility is excellent (100/100). Security scores good (75/100) and performance excellent (100/100). Top issue: Meta description longer than 160 characters.
小学館の漫画が読める総合webコミックサイト 「モブサイコ」「ケンガンアシュラ」などマンガワンオリジナル作品を多数掲載。 まんが雑誌「サンデー」「スピリッツ」「スペリオール」「ちゃお」「flowers」などの連載作品等も読める！
- Japan
- Hosted on InfoSphere - NTT PC Communications, Inc., JP
Top issues to fix
9 issues found · 2 high priority
Missing Strict-Transport-Security header
SecurityAdd HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
Missing X-Content-Type-Options header
SecurityAdd X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
Meta description longer than 160 characters
SEOTrim the meta description to under 160 characters to avoid truncation in search results.
Missing canonical link
SEOAdd <link rel="canonical"> so search engines know which URL variant to index.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
+3 more issues — details in the sections below.
SEO
5 issue(s) found
Performance
134 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
小学館の漫画が読める総合webコミックサイト 「モブサイコ」「ケンガンアシュラ」などマンガワンオリジナル作品を多数掲載。 まんが雑誌「サンデー」「スピリッツ」「スペリオール」「ちゃお」「flowers」などの連載作品等も読める！
Contact
Email, phone, and address published on this site's own pages.
Meta tags
- Title
- マンガワン
- Description
- 小学館の漫画が読める総合webコミックサイト 「モブサイコ」「ケンガンアシュラ」などマンガワンオリジナル作品を多数掲載。 まんが雑誌「サンデー」「スピリッツ」「スペリオール」「ちゃお」「flowers」などの連載作品等も読める！
- Canonical
- Language
- ja
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- InfoSphere - NTT PC Communications, Inc., JP
- CDN provider
- —
- IP address
- 202.229.192.106
- ASN
- AS2514 (InfoSphere - NTT PC Communications, Inc., JP)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA | — |
| MX | — |
| TXT |
|
| NS |
|
| CAA | — |
| CNAME | — |
| IPv6 support | No |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Let's Encrypt
- Subject
- *.manga-one.com
- Valid from
- Jul 25, 2026
- Valid to
- Oct 23, 2026
- Days until expiry
- 59
- SAN domains
- *.manga-one.com, manga-one.com
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyMissing
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 1 · H2 6 · H3 0
Links
107 internal · 14 external · 1 broken
Images
513 total · 0 missing alt
Scripts / Styles
41 scripts · 4 stylesheets
JS / CSS size
922 KB · 130 KB
Page size
76.5 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Meta description longer than 160 characters
- Missing canonical link
- No structured data (JSON-LD) found
- robots.txt not found
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://manga-one.com
- Final URL
- https://manga-one.com
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 133 ms
- HTML size
- 76.5 KB
- Redirect chain
- https://manga-one.com
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does manga-one.com use?
- manga-one.com is built with Next.js, Google Analytics, Meta Pixel.
- Is manga-one.com secure (HTTPS)?
- Yes. manga-one.com uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Oct 23, 2026.
- Who hosts manga-one.com?
- manga-one.com is hosted on InfoSphere - NTT PC Communications, Inc., JP.
- What is manga-one.com's SEO score?
- manga-one.com scored 70/100 for SEO in the latest analysis (fair).
- What is manga-one.com's overall website score?
- manga-one.com has an overall SiteGraph score of 85/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card