mathlog.info
数学特化の情報共有サービス | Mathlog
Last scanned Aug 24, 2026, 1:22 PM · 1 view
Overall score
Fair
Summary
Mathlogは数学の学びを自由に記録・共有できるWebサービスです。学びの記録や閲覧による学習はもちろん、数学に興味を持つ人々との議論や問題解決を通じた交流も… This website uses Next.js hosted on AWS behind Vercel CDN. SEO is good (85/100) and accessibility is excellent (100/100). Security scores good (75/100) and performance fair (50/100). Top issue: Meta description longer than 160 characters.
Mathlogは数学の学びを自由に記録・共有できるWebサービスです。学びの記録や閲覧による学習はもちろん、数学に興味を持つ人々との議論や問題解決を通じた交流もできます。
- United States
- Hosted on AWS
Top issues to fix
5 issues found · 1 high priority
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.
Meta description longer than 160 characters
SEOTrim the meta description to under 160 characters to avoid truncation in search results.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
SEO
2 issue(s) found
Performance
412 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
Mathlogは数学の学びを自由に記録・共有できるWebサービスです。学びの記録や閲覧による学習はもちろん、数学に興味を持つ人々との議論や問題解決を通じた交流もできます。
Meta tags
- Title
- 数学特化の情報共有サービス | Mathlog
- Description
- Mathlogは数学の学びを自由に記録・共有できるWebサービスです。学びの記録や閲覧による学習はもちろん、数学に興味を持つ人々との議論や問題解決を通じた交流もできます。
- Canonical
- https://mathlog.info/
- Language
- ja
- Charset
- utf-8
- Viewport
- width=device-width,initial-scale=1.0,maximum-scale=1.0
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
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
- mathlog.info
- Valid from
- Aug 23, 2026
- Valid to
- Nov 21, 2026
- Days until expiry
- 88
- SAN domains
- mathlog.info
Security headers
- Strict-Transport-SecurityEnabled
- 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 3 · H3 0
Links
159 internal · 0 external · 0 broken
Images
108 total · 0 missing alt
Scripts / Styles
45 scripts · 1 stylesheets
JS / CSS size
3.3 MB · 304 KB
Page size
194 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 0
- sitemap.xml
- Found
- URLs in sitemap
- -1
SEO issues
- Meta description longer than 160 characters
- No structured data (JSON-LD) found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://mathlog.info
- Final URL
- https://mathlog.info
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 409 ms
- HTML size
- 194 KB
- Redirect chain
- https://mathlog.info
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Frequently asked questions
- What technology does mathlog.info use?
- mathlog.info is built with Next.js, Google Analytics, Google Ads.
- Is mathlog.info secure (HTTPS)?
- Yes. mathlog.info uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Nov 21, 2026.
- Who hosts mathlog.info?
- mathlog.info is hosted on AWS, behind Vercel CDN.
- What is mathlog.info's SEO score?
- mathlog.info scored 85/100 for SEO in the latest analysis (great).
- What is mathlog.info's overall website score?
- mathlog.info has an overall SiteGraph score of 77/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card