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SGSiteGraph

tv-asahi.co.jp

テレビ朝日

Last scanned Jul 29, 2026, 5:00 PM · 9 views

77

Overall score

Fair

Summary

テレビ朝日公式ホームページ。番組の最新情報やニュース、イベントや映画などテレビ朝日に関する様々な情報をお届けします。. This website uses Nginx behind Fastly CDN. SEO is fair (60/100) and accessibility is excellent (90/100). Security scores fair (65/100) and performance excellent (100/100). Top issue: Meta description longer than 160 characters.

テレビ朝日公式ホームページ。番組の最新情報やニュース、イベントや映画などテレビ朝日に関する様々な情報をお届けします。

Top issues to fix

10 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.

  • 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.

60

SEO

6 issue(s) found

100

Performance

127 ms

65

Security

HTTPS & header checks

90

Accessibility

1 issue(s) found

Score history

+3 overall since Jul 21, 2026

Overall
77
SEO
60
Security
65
Performance
100
Accessibility
90

Organization

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

テレビ朝日公式ホームページ。番組の最新情報やニュース、イベントや映画などテレビ朝日に関する様々な情報をお届けします。

Meta tags

Title
テレビ朝日
Description
テレビ朝日公式ホームページ。番組の最新情報やニュース、イベントや映画などテレビ朝日に関する様々な情報をお届けします。
Canonical
Language
ja
Charset
utf-8
Viewport
width=device-width, initial-scale=1
Robots meta
Manifest

OpenGraph & Twitter Card

OpenGraph

og:title
テレビ朝日
og:description
—
og:type
website
og:url
https://www.tv-asahi.co.jp/

Twitter Card

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

Technologies

Detected frameworks, languages, and tools.

Nginx

Hosting & CDN

Hosting provider
—
CDN provider
Fastly
IP address
—
ASN
—

DNS records

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

TLS / SSL certificate

Version
TLS 1.3
Issuer
Cybertrust Japan Co., Ltd.
Subject
*.tv-asahi.co.jp
Valid from
Nov 27, 2025
Valid to
Dec 20, 2026
Days until expiry
143
SAN domains
*.tv-asahi.co.jp, tv-asahi.co.jp

Security headers

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

Compression: gzip · 0 cookie(s) observed

Content & assets

Headings

H1 0 · H2 0 · H3 0

Links

0 internal · 0 external · 0 broken

Images

0 total · 0 missing alt

Scripts / Styles

10 scripts · 1 stylesheets

JS / CSS size

7.4 KB · 0 B

Page size

9.3 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 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://tv-asahi.co.jp
Final URL
https://www.tv-asahi.co.jp/
HTTP status
200
HTTP version
HTTP/2
Response time
127 ms
HTML size
9.3 KB
Redirect chain
https://tv-asahi.co.jp → https://www.tv-asahi.co.jp/

See something wrong on this report? Request a correction

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Frequently asked questions

What technology does tv-asahi.co.jp use?
tv-asahi.co.jp is built with Nginx.
Is tv-asahi.co.jp secure (HTTPS)?
Yes. tv-asahi.co.jp uses TLS 1.3 with a certificate issued by Cybertrust Japan Co., Ltd., valid until Dec 20, 2026.
Who hosts tv-asahi.co.jp?
Hosting provider information for tv-asahi.co.jp is not available yet.
What is tv-asahi.co.jp's SEO score?
tv-asahi.co.jp scored 60/100 for SEO in the latest analysis (fair).
What is tv-asahi.co.jp's overall website score?
tv-asahi.co.jp has an overall SiteGraph score of 77/100, combining SEO, performance, security, and accessibility.
Has tv-asahi.co.jp's score changed over time?
tv-asahi.co.jp's overall score has improved by 3 points (from 74 to 77) since Jul 21, 2026.