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SGSiteGraph

note.mu

note ――つくる、つながる、とどける。

Last scanned Jul 26, 2026, 1:19 PM

81

Overall score

Great

Summary

クリエイターが文章やマンガ、写真、音声を投稿することができ、ユーザーはそのコンテンツを楽しんで応援できるメディアプラットフォームです。だれもが創作�… This website uses Next.js behind CloudFront CDN. SEO is fair (65/100) and accessibility is excellent (90/100). Security scores good (75/100) and performance excellent (100/100). Top issue: Meta description longer than 160 characters.

クリエイターが文章やマンガ、写真、音声を投稿することができ、ユーザーはそのコンテンツを楽しんで応援できるメディアプラットフォームです。だれもが創作を楽しんで続けられるよう、安心できる雰囲気や、多様性を大切にしています。

Top issues to fix

10 issues found · 2 high priority

  • Missing Strict-Transport-Security header

    Security

    Add HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.

  • No H1 heading found

    SEO

    Add exactly one H1 describing the page's main topic — it anchors the document outline for search engines and screen readers.

  • 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.

  • 1 cookie without Secure/HttpOnly flags

    Security

    Set Secure and HttpOnly on session cookies so they can't leak over HTTP or be read by injected scripts.

  • Meta description longer than 160 characters

    SEO

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

+4 more issues — details in the sections below.

65

SEO

5 issue(s) found

100

Performance

465 ms

75

Security

HTTPS & header checks

90

Accessibility

1 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.

クリエイターが文章やマンガ、写真、音声を投稿することができ、ユーザーはそのコンテンツを楽しんで応援できるメディアプラットフォームです。だれもが創作を楽しんで続けられるよう、安心できる雰囲気や、多様性を大切にしています。

X (Twitter)InstagramFacebook

Meta tags

Title
note ――つくる、つながる、とどける。
Description
クリエイターが文章やマンガ、写真、音声を投稿することができ、ユーザーはそのコンテンツを楽しんで応援できるメディアプラットフォームです。だれもが創作を楽しんで続けられるよう、安心できる雰囲気や、多様性を大切にしています。
Canonical
https://note.com
Language
ja-JP
Charset
utf-8
Viewport
width=device-width, initial-scale=1
Robots meta
max-image-preview:large
Manifest

OpenGraph & Twitter Card

OpenGraph

og:title
note ――つくる、つながる、とどける。
og:description
クリエイターが文章やマンガ、写真、音声を投稿することができ、ユーザーはそのコンテンツを楽しんで応援できるメディアプラットフォームです。だれもが創作を楽しんで続けられるよう、安心できる雰囲気や、多様性を大切にしています。
og:type
article
og:url
https://note.com

Twitter Card

twitter:card
summary_large_image
twitter:title
note ――つくる、つながる、とどける。
twitter:description
クリエイターが文章やマンガ、写真、音声を投稿することができ、ユーザーはそのコンテンツを楽しんで応援できるメディアプラットフォームです。だれもが創作を楽しんで続けられるよう、安心できる雰囲気や、多様性を大切にしています。

Technologies

Detected frameworks, languages, and tools.

Next.jsGoogle Analytics

Hosting & CDN

Hosting provider
—
CDN provider
CloudFront
IP address
—
ASN
—

DNS records

TypeValue
A—
AAAA—
MX—
TXT—
NS—
CAA—
CNAME—
IPv6 supportNo

TLS / SSL certificate

Version
TLS 1.3
Issuer
GlobalSign nv-sa
Subject
*.note.com
Valid from
Nov 4, 2025
Valid to
Dec 6, 2026
Days until expiry
130
SAN domains
*.note.com, note.com

Security headers

  • Strict-Transport-SecurityMissing
  • Content-Security-PolicyEnabled
  • X-Frame-OptionsMissing
  • X-Content-Type-OptionsMissing
  • Referrer-PolicyMissing
  • Permissions-PolicyMissing

Compression: gzip · 2 cookie(s) observed

Content & assets

Headings

H1 0 · H2 0 · H3 0

Links

13 internal · 12 external · 20 broken

Images

0 total · 0 missing alt

Scripts / Styles

113 scripts · 5 stylesheets

JS / CSS size

113 KB · 0 B

Page size

144 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
  • No H1 heading found
  • No structured data (JSON-LD) found
  • robots.txt not found
  • sitemap.xml not found

Accessibility issues

  • No H1 heading found

Scan details

Requested URL
https://note.mu
Final URL
https://note.com/
HTTP status
200
HTTP version
HTTP/2
Response time
463 ms
HTML size
144 KB
Redirect chain
https://note.mu → https://note.com/

See something wrong on this report? Request a correction

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Frequently asked questions

What technology does note.mu use?
note.mu is built with Next.js, Google Analytics.
Is note.mu secure (HTTPS)?
Yes. note.mu uses TLS 1.3 with a certificate issued by GlobalSign nv-sa, valid until Dec 6, 2026.
Who hosts note.mu?
Hosting provider information for note.mu is not available yet.
What is note.mu's SEO score?
note.mu scored 65/100 for SEO in the latest analysis (fair).
What is note.mu's overall website score?
note.mu has an overall SiteGraph score of 81/100, combining SEO, performance, security, and accessibility.