What technology does zakzak.co.jp use?

We did not detect any specific technologies for zakzak.co.jp in the latest scan.

Is zakzak.co.jp secure (HTTPS)?

Yes. zakzak.co.jp uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Aug 22, 2026.

Who hosts zakzak.co.jp?

Hosting provider information for zakzak.co.jp is not available yet.

What is zakzak.co.jp's SEO score?

zakzak.co.jp scored 80/100 for SEO in the latest analysis (great).

What is zakzak.co.jp's overall website score?

zakzak.co.jp has an overall SiteGraph score of 82/100, combining SEO, performance, security, and accessibility.

zakzak.co.jp

zakⅡ｜エンタメ情報の舞台裏を取材し独自の切り口で深掘り

Last scanned Jul 26, 2026, 5:17 AM

Overall score

Great

Summary

zakⅡ(ザクツー)は、エンタメ情報の舞台裏を取材し独自の切り口で深掘り。スキャンダルをはじめ芸能界のトラブル・騒動・炎上案件、今ネットで注目のインフル��… SEO is good (80/100) and accessibility is good (85/100). Security scores good (75/100) and performance excellent (90/100). Top issue: Title longer than 60 characters.

zakⅡ(ザクツー)は、エンタメ情報の舞台裏を取材し独自の切り口で深掘り。スキャンダルをはじめ芸能界のトラブル・騒動・炎上案件、今ネットで注目のインフルエンサー、YouTuber動向などの情報も充実。他のサイトにはないバラエティーに富んだ記事をお届けします。

Top issues to fix

10 issues found · 1 high priority

Missing Strict-Transport-Security header
Security
Add HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.
TLS certificate expires in 27 days
Security
Renew soon or enable auto-renewal to avoid a browser-warning outage.
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.
Title longer than 60 characters
SEO
Shorten the title to under 60 characters so search results don't truncate it.
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.

SEO

4 issue(s) found

Performance

507 ms

Security

HTTPS & header checks

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.

X (Twitter)Facebook

Contact

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

Email: hiromi.nakamoto@sankei.co.jp hiroshi.okamoto@sankei.co.jp satoshi.fukuda@sankei.co.jp

Meta tags

Title: zakⅡ｜エンタメ情報の舞台裏を取材し独自の切り口で深掘り
Description: zakⅡ(ザクツー)は、エンタメ情報の舞台裏を取材し独自の切り口で深掘り。スキャンダルをはじめ芸能界のトラブル・騒動・炎上案件、今ネットで注目のインフルエンサー、YouTuber動向などの情報も充実。他のサイトにはないバラエティーに富んだ記事をお届けします。
Canonical: https://www.zakzak.co.jp/
Language: ja
Charset: UTF-8
Viewport: width=device-width, initial-scale=1
Robots meta: nocache, noarchive
Manifest: https://www.zakzak.co.jp/manifest.json

Technologies

Detected frameworks, languages, and tools.

No technologies detected.

Hosting & CDN

Hosting provider: —
CDN provider: —
IP address: —
ASN: —

DNS records

Type	Value
A	—
AAAA	—
MX	—
TXT	—
NS	—
CAA	—
CNAME	—
IPv6 support	No

TLS / SSL certificate

Version: TLS 1.3
Issuer: Let's Encrypt
Subject: sankei.web.arc-cdn.net
Valid from: May 24, 2026
Valid to: Aug 22, 2026
Days until expiry: 27
SAN domains: sandbox.iza.ne.jp.ieknas.com, sandbox.sankei.com.ieknas.com, sandbox.zakzak.co.jp.ieknas.com, sankei.web.arc-cdn.net, www.iza.ne.jp, www.sankei.com, www.sankeibiz.jp, www.zakzak.co.jp

Security headers

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

Compression: gzip · 1 cookie(s) observed

Content & assets

Headings

H1 1 · H2 16 · H3 32

Links

31 internal · 26 external · 8 broken

Images

41 total · 12 missing alt

Scripts / Styles

43 scripts · 4 stylesheets

JS / CSS size

395 KB · 5.4 KB

Page size

477 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
robots.txt not found
sitemap.xml not found

Scan details

Requested URL: https://zakzak.co.jp
Final URL: https://www.zakzak.co.jp/
HTTP status: 200
HTTP version: HTTP/2
Response time: 498 ms
HTML size: 477 KB
Redirect chain: https://zakzak.co.jp → https://www.zakzak.co.jp/

See something wrong on this report? Request a correction

Frequently asked questions

What technology does zakzak.co.jp use?: We did not detect any specific technologies for zakzak.co.jp in the latest scan.
Is zakzak.co.jp secure (HTTPS)?: Yes. zakzak.co.jp uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Aug 22, 2026.
Who hosts zakzak.co.jp?: Hosting provider information for zakzak.co.jp is not available yet.
What is zakzak.co.jp's SEO score?: zakzak.co.jp scored 80/100 for SEO in the latest analysis (great).
What is zakzak.co.jp's overall website score?: zakzak.co.jp has an overall SiteGraph score of 82/100, combining SEO, performance, security, and accessibility.