What technology does yahoo.co.jp use?

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

Is yahoo.co.jp secure (HTTPS)?

Yes. yahoo.co.jp uses TLS 1.3 with a certificate issued by Cybertrust Japan Co., Ltd., valid until Dec 4, 2026.

Who hosts yahoo.co.jp?

yahoo.co.jp is hosted on YAHOO - LY Corporation, JP.

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

yahoo.co.jp scored 75/100 for SEO in the latest analysis (fair).

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

yahoo.co.jp has an overall SiteGraph score of 81/100, combining SEO, performance, security, and accessibility.

Is yahoo.co.jp hiring?

yahoo.co.jp has a careers page; check it directly for current openings.

yahoo.co.jp

Yahoo! JAPAN

Last scanned Jul 15, 2026, 11:52 AM

Overall score

Great

Top issues to fix

8 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.
2 cookies 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.
Multiple H1 headings found
SEO
Keep a single H1 per page and demote the others to H2/H3.
No structured data (JSON-LD) found
SEO
Add JSON-LD (Organization, Article, Product…) to become eligible for rich results.

+2 more issues — details in the sections below.

Summary

あなたの毎日をアップデートする情報ポータル。検索、ニュース、天気、スポーツ、メール、ショッピング、オークションなど便利なサービスを展開しています。. This website is hosted on YAHOO - LY Corporation, JP. SEO is good (75/100) and accessibility is excellent (100/100). Security scores good (80/100) and performance good (75/100). Top issue: Meta description longer than 160 characters.

SEO

4 issue(s) found

Performance

294 ms

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.yahoo.co.jp:443/contact

Meta tags

Title: Yahoo! JAPAN
Description: あなたの毎日をアップデートする情報ポータル。検索、ニュース、天気、スポーツ、メール、ショッピング、オークションなど便利なサービスを展開しています。
Canonical: https://www.yahoo.co.jp/
Language: ja
Charset: utf-8
Viewport: width=1010
Robots meta: noodp
Manifest

Technologies

Detected frameworks, languages, and tools.

No technologies detected.

Hosting & CDN

Hosting provider: YAHOO - LY Corporation, JP
CDN provider: —
IP address: 182.22.24.124
ASN: AS23816 (YAHOO - LY Corporation, JP)

DNS records

Type	Value
A	182.22.24.124
AAAA	—
MX	—
TXT	—
NS	—
CAA	—
CNAME	edge12.g.yimg.jp
IPv6 support	No

TLS / SSL certificate

Version: TLS 1.3
Issuer: Cybertrust Japan Co., Ltd.
Subject: edge01.yahoo.co.jp
Valid from: Nov 5, 2025
Valid to: Dec 4, 2026
Days until expiry: 142
SAN domains: edge01.yahoo.co.jp, *.yahoo.co.jp, *.yahooapis.jp, *.ane.yahoo.co.jp, *.auctions.yahoo.co.jp, *.auctions.yahooapis.jp, *.box.yahooapis.jp, *.bylines.news.yahoo.co.jp, *.c.yimg.jp, *.carnavi.yahooapis.jp, *.carview.co.jp, *.carview.yahoo.co.jp, *.chiebukuro.yahoo.co.jp, *.clorder.yahoo.co.jp, *.cvw.jp, *.digitalguide.jp, *.east.edge.storage-yahoo.jp, *.east.edge.storage-yahoobox.jp, *.edge.storage-yahoo.jp, *.edit.yahooapis.jp, *.finance.yahoo.co.jp, *.geocities.jp, *.global.edge.storage-yahoo.jp, *.gyao.yahoo.co.jp, *.jobcatalog.yahoo.co.jp, *.listing.yahoo.co.jp, *.loco.yahoo.co.jp, *.lycorp.co.jp, *.mail.yahoo.co.jp, *.marketing.yahoo.co.jp, *.mkcloud-api.carview.co.jp, *.mkimg.carview.co.jp, *.ms.yahoo.co.jp, *.lycorp-security.jp, *.news.yahoo.co.jp, *.news.yahooapis.jp, *.order.yahoo.co.jp, *.points.yahoo.co.jp, *.psi.yahoo.co.jp, activity.travel.yahoo-net.jp, *.search.yahooapis.jp, *.shopping.c.yimg.jp, *.shopping.srv.yimg.jp, *.shopping.yahoo.co.jp, *.shopping.yahooapis.jp, *.snsimg.carview.co.jp, *.store.yahoo.co.jp, *.travel.yahoo.co.jp, *.wallet.yahoo.co.jp, *.wallet.yahooapis.jp, *.webhosting.yahoo.co.jp, *.west.edge.storage-yahoo.jp, *.west.edge.storage-yahoobox.jp, *.xml.listing.yahoo.co.jp, *.yahoo-help.jp, *.yahoo-net.jp, *.yahoo.jp, *.yahoobox.jp, *.yimg.jp, *.yjtag.jp, *.yjtag.yahoo.co.jp, *.ys-insurance.co.jp, *.push.yahooapis.jp, add.dir.yahoo.co.jp, api.y.clorder.yahoo.co.jp, arc.help.yahoo.co.jp, biztx.points.yahooapis.jp, carview.co.jp, cgi2.r-agent.yahoo.co.jp, cksync.pdsp.yahoo.co.jp, cm.froma.yahoo.co.jp, compass.ymobile.yahoo.co.jp, custom.search.yahoo.co.jp, e.developer.yahoo.co.jp, forms.business.yahoo.co.jp, frame.games.yahoo.co.jp, hrm.grmtrez.yahoo.co.jp, im.ov.yahoo.co.jp, info.hatalike.yahoo.co.jp, movie.chocotle.yahoo.co.jp, online.security.yahoo.co.jp, poiedit.map.yahoo.co.jp, portal.yadui.business.yahoo.co.jp, ssl-tools.kainavi.search.yahoo.co.jp, ssl.api.olp.yahooapis.jp, ssl.map.srv.yimg.jp, www.bosaiguide.jp, www.lohaco.yahoo.co.jp, www.search311.jp, www.sp-hinan.jp, www.techbasevn.com, yahoo.co.jp, yahoo.jp, yj.pn, yjtag.jp

Security headers

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

Compression: gzip · 4 cookie(s) observed

Content & assets

Headings

H1 79 · H2 0 · H3 0

Links

0 internal · 199 external · 5 broken

Images

55 total · 1 missing alt

Scripts / Styles

27 scripts · 1 stylesheets

JS / CSS size

1.7 MB · 1.8 MB

Page size

33.6 KB

Robots.txt & Sitemap

robots.txt: Found
Disallow rules: 2
sitemap.xml: Not found
URLs in sitemap: 0

SEO issues

Meta description longer than 160 characters
Multiple H1 headings found
No structured data (JSON-LD) found
sitemap.xml not found

Careers

View careers page

This company has an active careers page, but individual openings weren't reliably parsed from it — visit the page above for current listings.

Scan details

Requested URL: https://yahoo.co.jp
Final URL: https://www.yahoo.co.jp:443/
HTTP status: 200
HTTP version: HTTP/2
Response time: 294 ms
HTML size: 33.6 KB
Redirect chain: https://yahoo.co.jp → https://www.yahoo.co.jp:443/

Frequently asked questions

What technology does yahoo.co.jp use?: We did not detect any specific technologies for yahoo.co.jp in the latest scan.
Is yahoo.co.jp secure (HTTPS)?: Yes. yahoo.co.jp uses TLS 1.3 with a certificate issued by Cybertrust Japan Co., Ltd., valid until Dec 4, 2026.
Who hosts yahoo.co.jp?: yahoo.co.jp is hosted on YAHOO - LY Corporation, JP.
What is yahoo.co.jp's SEO score?: yahoo.co.jp scored 75/100 for SEO in the latest analysis (fair).
What is yahoo.co.jp's overall website score?: yahoo.co.jp has an overall SiteGraph score of 81/100, combining SEO, performance, security, and accessibility.
Is yahoo.co.jp hiring?: yahoo.co.jp has a careers page; check it directly for current openings.