mantan-web.jp
MANTANWEB（まんたんウェブ）- ポップカルチャーの総合ニュースサイト
Last scanned Jul 25, 2026, 4:25 PM · 2 views
Overall score
Fair
Summary
「MANTANWEB（まんたんウェブ）」はアニメ、マンガ、ゲーム、テレビ、映画などエンターテインメントの最新情報を配信するサイトです。. This website uses Google Analytics hosted on AWS behind CloudFront CDN. SEO is fair (70/100) and accessibility is fair (70/100). Security scores fair (65/100) and performance excellent (100/100). Top issue: Title longer than 60 characters.
「MANTANWEB（まんたんウェブ）」はアニメ、マンガ、ゲーム、テレビ、映画などエンターテインメントの最新情報を配信するサイトです。
- United States
- Hosted on AWS
Top issues to fix
10 issues found · 3 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.
Over half of images are missing alt text
AccessibilityAdd alt attributes to images — screen readers depend on them, and they help image SEO.
Missing X-Content-Type-Options header
SecurityAdd X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
Missing X-Frame-Options header
SecurityAdd X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
Title longer than 60 characters
SEOShorten the title to under 60 characters so search results don't truncate it.
+4 more issues — details in the sections below.
SEO
5 issue(s) found
Performance
172 ms
Security
HTTPS & header checks
Accessibility
1 issue(s) found
Organization
Company details published in this site's own structured data.
「MANTANWEB（まんたんウェブ）」はアニメ、マンガ、ゲーム、テレビ、映画などエンターテインメントの最新情報を配信するサイトです。
Meta tags
- Title
- MANTANWEB（まんたんウェブ）- ポップカルチャーの総合ニュースサイト
- Description
- 「MANTANWEB（まんたんウェブ）」はアニメ、マンガ、ゲーム、テレビ、映画などエンターテインメントの最新情報を配信するサイトです。
- Canonical
- Language
- ja-JP
- Charset
- UTF-8
- Viewport
- target-densitydpi=device-dpi, width=1008
- Robots meta
- Manifest
- https://mantan-web.jp/assets/favicons/manifest.json
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- AWS
- CDN provider
- CloudFront
- IP address
- 3.173.254.92
- ASN
- AS16509 (AMAZON-02 - Amazon.com, Inc., US)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA |
|
| MX | — |
| TXT |
|
| NS |
|
| CAA | — |
| CNAME | — |
| IPv6 support | Yes |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Amazon
- Subject
- mantan-web.jp
- Valid from
- Jan 8, 2026
- Valid to
- Feb 6, 2027
- Days until expiry
- 196
- SAN domains
- mantan-web.jp
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 1 · H2 29 · H3 30
Links
87 internal · 13 external · 0 broken
Images
68 total · 48 missing alt
Scripts / Styles
26 scripts · 4 stylesheets
JS / CSS size
986 KB · 96.1 KB
Page size
60.4 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 10
- sitemap.xml
- Found
- URLs in sitemap
- 508
SEO issues
- Title longer than 60 characters
- Meta description longer than 160 characters
- Missing canonical link
- No structured data (JSON-LD) found
- Missing OpenGraph tags
Accessibility issues
- Over half of images are missing alt text
Scan details
- Requested URL
- https://mantan-web.jp
- Final URL
- https://mantan-web.jp
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 171 ms
- HTML size
- 60.4 KB
- Redirect chain
- https://mantan-web.jp
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does mantan-web.jp use?
- mantan-web.jp is built with Tailwind CSS, jQuery, Google Analytics.
- Is mantan-web.jp secure (HTTPS)?
- Yes. mantan-web.jp uses TLS 1.3 with a certificate issued by Amazon, valid until Feb 6, 2027.
- Who hosts mantan-web.jp?
- mantan-web.jp is hosted on AWS, behind CloudFront CDN.
- What is mantan-web.jp's SEO score?
- mantan-web.jp scored 70/100 for SEO in the latest analysis (fair).
- What is mantan-web.jp's overall website score?
- mantan-web.jp has an overall SiteGraph score of 76/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card