sai-zen-sen.jp
最前線 - フィクション・コミック・Webエンターテイメント
Last scanned Aug 24, 2026, 1:21 PM · 1 view
Overall score
Great
Summary
「最前線」は完全無料のフィクション・コミック・Webエンターテイメント。雑誌ではできなかったWebならではの新しいコミュニケーション。ライブ感のある新しい�… This website uses Google Analytics hosted on AWS behind CloudFront CDN. SEO is good (75/100) and accessibility is excellent (100/100). Security scores fair (65/100) and performance excellent (100/100). Top issue: Title longer than 60 characters.
「最前線」は完全無料のフィクション・コミック・Webエンターテイメント。雑誌ではできなかったWebならではの新しいコミュニケーション。ライブ感のある新しいメディアです。
- United States
- Hosted on AWS
Top issues to fix
8 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.
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.
Meta description longer than 160 characters
SEOTrim the meta description to under 160 characters to avoid truncation in search results.
+2 more issues — details in the sections below.
SEO
4 issue(s) found
Performance
362 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
「最前線」は完全無料のフィクション・コミック・Webエンターテイメント。雑誌ではできなかったWebならではの新しいコミュニケーション。ライブ感のある新しいメディアです。
Meta tags
- Title
- 最前線 - フィクション・コミック・Webエンターテイメント
- Description
- 「最前線」は完全無料のフィクション・コミック・Webエンターテイメント。雑誌ではできなかったWebならではの新しいコミュニケーション。ライブ感のある新しいメディアです。
- 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
- AWS
- CDN provider
- CloudFront
- IP address
- 108.159.61.69
- 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
- sai-zen-sen.jp
- Valid from
- Jul 23, 2026
- Valid to
- Feb 5, 2027
- Days until expiry
- 165
- SAN domains
- sai-zen-sen.jp, *.sai-zen-sen.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 27 · H3 0
Links
58 internal · 16 external · 0 broken
Images
74 total · 4 missing alt
Scripts / Styles
8 scripts · 1 stylesheets
JS / CSS size
249 KB · 109 KB
Page size
41.0 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 1
- sitemap.xml
- Found
- URLs in sitemap
- -1
SEO issues
- Title longer than 60 characters
- Meta description longer than 160 characters
- Missing canonical link
- No structured data (JSON-LD) found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://sai-zen-sen.jp
- Final URL
- https://sai-zen-sen.jp
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 362 ms
- HTML size
- 41.0 KB
- Redirect chain
- https://sai-zen-sen.jp
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does sai-zen-sen.jp use?
- sai-zen-sen.jp is built with Google Analytics.
- Is sai-zen-sen.jp secure (HTTPS)?
- Yes. sai-zen-sen.jp uses TLS 1.3 with a certificate issued by Amazon, valid until Feb 5, 2027.
- Who hosts sai-zen-sen.jp?
- sai-zen-sen.jp is hosted on AWS, behind CloudFront CDN.
- What is sai-zen-sen.jp's SEO score?
- sai-zen-sen.jp scored 75/100 for SEO in the latest analysis (fair).
- What is sai-zen-sen.jp's overall website score?
- sai-zen-sen.jp has an overall SiteGraph score of 84/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card