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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

77

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

    Security

    Add a CSP to control which sources can run scripts — the strongest single defense against XSS.

  • Missing X-Content-Type-Options header

    Security

    Add X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.

  • Missing X-Frame-Options header

    Security

    Add X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.

  • Meta description longer than 160 characters

    SEO

    Trim the meta description to under 160 characters to avoid truncation in search results.

  • No structured data (JSON-LD) found

    SEO

    Add JSON-LD (Organization, Article, Product…) to become eligible for rich results.

85

SEO

2 issue(s) found

50

Performance

412 ms

75

Security

HTTPS & header checks

100

Accessibility

0 issue(s) found

Not enough scan history yet to show a trend — check back after this site has been re-scanned a few more times.

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

OpenGraph & Twitter Card

OpenGraph

og:title
数学特化の情報共有サービス
og: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。
og:type
website
og:url
https://mathlog.info/

Twitter Card

twitter:card
summary
twitter:title
数学特化の情報共有サービス
twitter: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。

Technologies

Detected frameworks, languages, and tools.

Hosting & CDN

Hosting provider
AWS
CDN provider
Vercel
IP address
216.150.16.193
ASN
AS16509 (AMAZON-02 - Amazon.com, Inc., US)

DNS records

TypeValue
A
  • 216.150.16.193
  • 216.150.1.65
AAAA
MX
  • alt1.aspmx.l.google.com
  • alt3.aspmx.l.google.com
  • alt4.aspmx.l.google.com
  • aspmx.l.google.com
  • alt2.aspmx.l.google.com
TXT
  • google-site-verification=W2IQjyML-ziLzXBkb4axWQx_xrGPbjjMfn3xrrAPlmg
  • google-site-verification=lHhLUB7IxIkElqrjGjFfxZ-Ks9JV8B-E4r4a83Lixi4
NS
  • ns1.vercel-dns.com
  • ns2.vercel-dns.com
CAA
  • 0 issue "pki.goog"
  • 0 issue "letsencrypt.org"
  • 0 issue "sectigo.com"
CNAME
IPv6 supportNo

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.