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gizmodo.jp

ギズモード・ジャパン | "みんなで探求する"テックメディア

Last scanned Aug 1, 2026, 5:00 PM · 10 views

80

Overall score

Great

Summary

日本最大のテクノロジー＆ガジェット専門メディア。YouTubeや記事を通じて、最新ガジェットの偏愛レビューから、AI／サイエンスの深掘りコンテンツまで幅広く発�… This website uses Next.js behind CloudFront CDN. SEO is fair (70/100) and accessibility is excellent (90/100). Security scores fair (65/100) and performance excellent (100/100). Top issue: Title longer than 60 characters.

日本最大のテクノロジー＆ガジェット専門メディア。YouTubeや記事を通じて、最新ガジェットの偏愛レビューから、AI／サイエンスの深掘りコンテンツまで幅広く発信しています。「みんなで探求する」を合言葉に、刺激的な未来の体験をシェアします。

Top issues to fix

11 issues found · 3 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.

  • 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.

+5 more issues — details in the sections below.

70

SEO

5 issue(s) found

100

Performance

17 ms

65

Security

HTTPS & header checks

90

Accessibility

1 issue(s) found

Score history

0 overall since Jul 25, 2026

Overall
80
SEO
70
Security
65
Performance
100
Accessibility
90

Organization

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

日本最大のテクノロジー＆ガジェット専門メディア。YouTubeや記事を通じて、最新ガジェットの偏愛レビューから、AI／サイエンスの深掘りコンテンツまで幅広く発信しています。「みんなで探求する」を合言葉に、刺激的な未来の体験をシェアします。

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Meta tags

Title
ギズモード・ジャパン | "みんなで探求する"テックメディア
Description
日本最大のテクノロジー＆ガジェット専門メディア。YouTubeや記事を通じて、最新ガジェットの偏愛レビューから、AI／サイエンスの深掘りコンテンツまで幅広く発信しています。「みんなで探求する」を合言葉に、刺激的な未来の体験をシェアします。
Canonical
https://www.gizmodo.jp
Language
ja
Charset
utf-8
Viewport
width=device-width, initial-scale=1
Robots meta
max-image-preview:large
Manifest

OpenGraph & Twitter Card

OpenGraph

og:title
ギズモード・ジャパン
og:description
日本最大のテクノロジー＆ガジェット専門メディア。YouTubeや記事を通じて、最新ガジェットの偏愛レビューから、AI／サイエンスの深掘りコンテンツまで幅広く発信しています。「みんなで探求する」を合言葉に、刺激的な未来の体験をシェアします。
og:type
website
og:url
https://www.gizmodo.jp

Twitter Card

twitter:card
summary_large_image
twitter:title
ギズモード・ジャパン
twitter:description
—

Technologies

Detected frameworks, languages, and tools.

Next.jsGoogle Ads

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
Amazon
Subject
gizmodo.jp
Valid from
Oct 21, 2025
Valid to
Nov 18, 2026
Days until expiry
109
SAN domains
gizmodo.jp, *.gizmodo.jp

Security headers

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

Compression: gzip · 2 cookie(s) observed

Content & assets

Headings

H1 0 · H2 47 · H3 2

Links

45 internal · 37 external · 20 broken

Images

54 total · 0 missing alt

Scripts / Styles

20 scripts · 5 stylesheets

JS / CSS size

51.0 KB · 0 B

Page size

218 KB

Robots.txt & Sitemap

robots.txt
Not found
Disallow rules
0
sitemap.xml
Not found
URLs in sitemap
0

SEO issues

  • Title longer than 60 characters
  • Meta description longer than 160 characters
  • No H1 heading found
  • robots.txt not found
  • sitemap.xml not found

Accessibility issues

  • No H1 heading found

Scan details

Requested URL
https://gizmodo.jp
Final URL
https://www.gizmodo.jp/
HTTP status
200
HTTP version
HTTP/2
Response time
13 ms
HTML size
218 KB
Redirect chain
https://gizmodo.jp → https://www.gizmodo.jp/

See something wrong on this report? Request a correction

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Frequently asked questions

What technology does gizmodo.jp use?
gizmodo.jp is built with Next.js, Google Ads.
Is gizmodo.jp secure (HTTPS)?
Yes. gizmodo.jp uses TLS 1.3 with a certificate issued by Amazon, valid until Nov 18, 2026.
Who hosts gizmodo.jp?
Hosting provider information for gizmodo.jp is not available yet.
What is gizmodo.jp's SEO score?
gizmodo.jp scored 70/100 for SEO in the latest analysis (fair).
What is gizmodo.jp's overall website score?
gizmodo.jp has an overall SiteGraph score of 80/100, combining SEO, performance, security, and accessibility.
Has gizmodo.jp's score changed over time?
gizmodo.jp's overall score has stayed steady at 80/100 since Jul 25, 2026.