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SGSiteGraph

hatena.ne.jp

はてな

Last scanned Jul 29, 2026, 2:00 PM · 8 views

81

Overall score

Great

Summary

はてなが運営するポータルサイト。ブログもウェブアルバムもニュースも、はてながあればネットがさらに便利になります。. This website uses WordPress. SEO is fair (70/100) and accessibility is excellent (100/100). Security scores good (80/100) and performance good (80/100). Top issue: Meta description longer than 160 characters.

はてなが運営するポータルサイト。ブログもウェブアルバムもニュースも、はてながあればネットがさらに便利になります。

Top issues to fix

9 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.

  • Missing Content-Security-Policy header

    Security

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

  • 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.

  • Missing canonical link

    SEO

    Add <link rel="canonical"> so search engines know which URL variant to index.

  • No structured data (JSON-LD) found

    SEO

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

+3 more issues — details in the sections below.

70

SEO

5 issue(s) found

80

Performance

880 ms

80

Security

HTTPS & header checks

100

Accessibility

0 issue(s) found

Score history

+1 overall since Jul 18, 2026

Overall
81
SEO
70
Security
80
Performance
80
Accessibility
100

Organization

Company details published in this site's own structured data.

はてなが運営するポータルサイト。ブログもウェブアルバムもニュースも、はてながあればネットがさらに便利になります。

Meta tags

Title
はてな
Description
はてなが運営するポータルサイト。ブログもウェブアルバムもニュースも、はてながあればネットがさらに便利になります。
Canonical
Language
ja
Charset
utf-8
Viewport
width=device-width, initial-scale=1, minimum-scale=1, maximum-scale=1, user-scalable=no, viewport-fit=cover
Robots meta
Manifest

OpenGraph & Twitter Card

OpenGraph

og:title
はてな
og:description
ブログもニュースもコミュニティも。知りたいこと、伝えたいことが集まる、はてなのコンテンツプラットフォーム。
og:type
website
og:url
https://www.hatena.ne.jp

Twitter Card

twitter:card
summary_large_image
twitter:title
はてな
twitter:description
ブログもニュースもコミュニティも。知りたいこと、伝えたいことが集まる、はてなのコンテンツプラットフォーム。

Technologies

Detected frameworks, languages, and tools.

Next.jsWordPressNginx

Hosting & CDN

Hosting provider
—
CDN provider
—
IP address
—
ASN
—

DNS records

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

TLS / SSL certificate

Version
TLS 1.2
Issuer
Amazon
Subject
www.hatena.ne.jp
Valid from
Mar 16, 2026
Valid to
Sep 29, 2026
Days until expiry
62
SAN domains
www.hatena.ne.jp

Security headers

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

Compression: gzip · 1 cookie(s) observed

Content & assets

Headings

H1 1 · H2 2 · H3 84

Links

1 internal · 229 external · 20 broken

Images

84 total · 0 missing alt

Scripts / Styles

105 scripts · 2 stylesheets

JS / CSS size

384 KB · 447 B

Page size

544 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
  • Missing canonical link
  • No structured data (JSON-LD) found
  • robots.txt not found
  • sitemap.xml not found

Accessibility issues

No accessibility issues detected.

Scan details

Requested URL
https://hatena.ne.jp
Final URL
https://www.hatena.ne.jp:443/
HTTP status
200
HTTP version
HTTP/1.1
Response time
869 ms
HTML size
544 KB
Redirect chain
https://hatena.ne.jp → http://www.hatena.ne.jp → https://www.hatena.ne.jp:443/

See something wrong on this report? Request a correction

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Frequently asked questions

What technology does hatena.ne.jp use?
hatena.ne.jp is built with Next.js, WordPress, Nginx.
Is hatena.ne.jp secure (HTTPS)?
Yes. hatena.ne.jp uses TLS 1.2 with a certificate issued by Amazon, valid until Sep 29, 2026.
Who hosts hatena.ne.jp?
Hosting provider information for hatena.ne.jp is not available yet.
What is hatena.ne.jp's SEO score?
hatena.ne.jp scored 70/100 for SEO in the latest analysis (fair).
What is hatena.ne.jp's overall website score?
hatena.ne.jp has an overall SiteGraph score of 81/100, combining SEO, performance, security, and accessibility.
Has hatena.ne.jp's score changed over time?
hatena.ne.jp's overall score has improved by 1 point (from 80 to 81) since Jul 18, 2026.