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itmedia.co.jp

IT総合情報ポータル「ITmedia」Home

Last scanned Jul 21, 2026, 11:28 AM · 2 views

93

Overall score

Excellent

Top issues to fix

3 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.

  • No structured data (JSON-LD) found

    SEO

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

Summary

テクノロジー関連のニュース及び速報を中心に、レビューや特集記事を掲載。. This website uses Nginx hosted on AWS behind CloudFront CDN. SEO is excellent (90/100) and accessibility is excellent (100/100). Security scores good (85/100) and performance excellent (100/100). Top issue: No structured data (JSON-LD) found.

90

SEO

1 issue(s) found

100

Performance

684 ms

85

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.

Contact

Email, phone, and address published on this site's own pages.

Source: https://www.itmedia.co.jp/help

Meta tags

Title
IT総合情報ポータル「ITmedia」Home
Description
テクノロジー関連のニュース及び速報を中心に、レビューや特集記事を掲載。
Canonical
https://www.itmedia.co.jp/
Language
ja
Charset
shift_jis
Viewport
width=device-width
Robots meta
noydir
Manifest

OpenGraph & Twitter Card

OpenGraph

og:title
IT総合情報ポータル「ITmedia」Home
og:description
テクノロジー関連のニュース及び速報を中心に、レビューや特集記事を掲載。
og:type
website
og:url
https://www.itmedia.co.jp/

Twitter Card

twitter:card
summary
twitter:title
—
twitter:description
—

Technologies

Detected frameworks, languages, and tools.

Google AnalyticsGoogle AdsMeta PixelNginx

Hosting & CDN

Hosting provider
AWS
CDN provider
CloudFront
IP address
13.225.5.30
ASN
AS16509 (AMAZON-02 - Amazon.com, Inc., US)

DNS records

TypeValue
A
  • 13.225.5.30
  • 13.225.5.34
  • 13.225.5.75
  • 13.225.5.54
AAAA—
MX—
TXT—
NS—
CAA—
CNAME—
IPv6 supportNo

TLS / SSL certificate

Version
TLS 1.3
Issuer
Amazon
Subject
itmedia.co.jp
Valid from
May 18, 2026
Valid to
Dec 1, 2026
Days until expiry
133
SAN domains
itmedia.co.jp, *.itmedia.co.jp, *.atmarkit.itmedia.co.jp, *.sys.itmedia.co.jp, *.ips.itmedia.co.jp, *.techfactory.itmedia.co.jp, *.office.itmedia.co.jp, *.kn.itmedia.co.jp, *.executive.itmedia.co.jp, *.marketing.itmedia.co.jp, *.cms.itmedia.co.jp, *.techtarget.itmedia.co.jp, *.api.itmedia.co.jp, *.ips.sys.itmedia.co.jp

Security headers

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

Compression: gzip · 0 cookie(s) observed

Content & assets

Headings

H1 1 · H2 4 · H3 117

Links

153 internal · 60 external · 0 broken

Images

16 total · 0 missing alt

Scripts / Styles

81 scripts · 5 stylesheets

JS / CSS size

904 KB · 66.2 KB

Page size

94.4 KB

Robots.txt & Sitemap

robots.txt
Found
Disallow rules
0
sitemap.xml
Found
URLs in sitemap
-1

SEO issues

  • No structured data (JSON-LD) found

Accessibility issues

No accessibility issues detected.

Scan details

Requested URL
https://itmedia.co.jp
Final URL
https://www.itmedia.co.jp/
HTTP status
200
HTTP version
HTTP/2
Response time
683 ms
HTML size
94.4 KB
Redirect chain
https://itmedia.co.jp → https://www.itmedia.co.jp/

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Frequently asked questions

What technology does itmedia.co.jp use?
itmedia.co.jp is built with Google Analytics, Google Ads, Meta Pixel, Nginx.
Is itmedia.co.jp secure (HTTPS)?
Yes. itmedia.co.jp uses TLS 1.3 with a certificate issued by Amazon, valid until Dec 1, 2026.
Who hosts itmedia.co.jp?
itmedia.co.jp is hosted on AWS, behind CloudFront CDN.
What is itmedia.co.jp's SEO score?
itmedia.co.jp scored 90/100 for SEO in the latest analysis (excellent).
What is itmedia.co.jp's overall website score?
itmedia.co.jp has an overall SiteGraph score of 93/100, combining SEO, performance, security, and accessibility.