ymobile.jp
【公式】Y!mobile（ワイモバイル）- 格安SIM・スマホ
Last scanned Jul 25, 2026, 6:25 PM · 1 view
Overall score
Great
Summary
iPhone、Androidなどのスマートフォンやタブレット、SIMカード購入、高速安定のソフトバンク回線への申し込みをご案内します。条件を満たすと月額料金780円（税抜）… This website uses Apache hosted on AWS behind CloudFront CDN. SEO is fair (70/100) and accessibility is excellent (100/100). Security scores good (80/100) and performance good (80/100). Top issue: Title longer than 60 characters.
iPhone、Androidなどのスマートフォンやタブレット、SIMカード購入、高速安定のソフトバンク回線への申し込みをご案内します。条件を満たすと月額料金780円（税抜）から！家族割引やおうち割、PayPay・LINE関連サービス特典も豊富♪
- United States
- Hosted on AWS
Top issues to fix
7 issues found · 2 high priority
Missing Strict-Transport-Security header
SecurityAdd HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
Title longer than 60 characters
SEOShorten the title to under 60 characters so search results don't truncate it.
Meta description longer than 160 characters
SEOTrim the meta description to under 160 characters to avoid truncation in search results.
Multiple H1 headings found
SEOKeep a single H1 per page and demote the others to H2/H3.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
+1 more issue — details in the sections below.
SEO
5 issue(s) found
Performance
715 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
Contact
Email, phone, and address published on this site's own pages.
Meta tags
- Title
- 【公式】Y!mobile（ワイモバイル）- 格安SIM・スマホ
- Description
- iPhone、Androidなどのスマートフォンやタブレット、SIMカード購入、高速安定のソフトバンク回線への申し込みをご案内します。条件を満たすと月額料金780円（税抜）から！家族割引やおうち割、PayPay・LINE関連サービス特典も豊富♪
- Canonical
- https://www.ymobile.jp/
- Language
- ja
- Charset
- UTF-8
- Viewport
- width=device-width, initial-scale=1.0, maximum-scale=1.0
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- AWS
- CDN provider
- CloudFront
- IP address
- 18.172.78.97
- ASN
- AS16509 (AMAZON-02 - Amazon.com, Inc., US)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA |
|
| MX | — |
| TXT | — |
| NS |
|
| CAA | — |
| CNAME |
|
| IPv6 support | Yes |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Cybertrust Japan Co., Ltd.
- Subject
- www.ymobile.jp
- Valid from
- Jan 29, 2026
- Valid to
- Feb 27, 2027
- Days until expiry
- 216
- SAN domains
- www.ymobile.jp
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyMissing
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: none · 0 cookie(s) observed
Content & assets
Headings
H1 2 · H2 19 · H3 41
Links
101 internal · 33 external · 0 broken
Images
100 total · 0 missing alt
Scripts / Styles
22 scripts · 9 stylesheets
JS / CSS size
1003 KB · 2.9 MB
Page size
268 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 1065
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Title longer than 60 characters
- Meta description longer than 160 characters
- Multiple H1 headings found
- No structured data (JSON-LD) found
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://ymobile.jp
- Final URL
- https://www.ymobile.jp:443/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 710 ms
- HTML size
- 268 KB
- Redirect chain
- https://ymobile.jp → https://www.ymobile.jp:443/
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does ymobile.jp use?
- ymobile.jp is built with jQuery, Apache.
- Is ymobile.jp secure (HTTPS)?
- Yes. ymobile.jp uses TLS 1.3 with a certificate issued by Cybertrust Japan Co., Ltd., valid until Feb 27, 2027.
- Who hosts ymobile.jp?
- ymobile.jp is hosted on AWS, behind CloudFront CDN.
- What is ymobile.jp's SEO score?
- ymobile.jp scored 70/100 for SEO in the latest analysis (fair).
- What is ymobile.jp's overall website score?
- ymobile.jp has an overall SiteGraph score of 81/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card