jitenon.jp
辞典オンライン
Last scanned Aug 5, 2026, 4:00 PM · 10 views
Overall score
Great
Summary
辞典オンラインは、漢字辞典、四字熟語辞典、ことわざ辞典、国語辞典、人物名鑑などさまざまな辞書・辞典を収録した総合辞典サイトです。. This website uses Google Analytics hosted on Cloudflare behind Cloudflare CDN. SEO is excellent (95/100) and accessibility is good (85/100). Security scores fair (65/100) and performance excellent (100/100). Top issue: Meta description longer than 160 characters.
辞典オンラインは、漢字辞典、四字熟語辞典、ことわざ辞典、国語辞典、人物名鑑などさまざまな辞書・辞典を収録した総合辞典サイトです。
- United States
- Hosted on Cloudflare
Top issues to fix
8 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.
Missing X-Content-Type-Options header
SecurityAdd X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
Missing X-Frame-Options header
SecurityAdd X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
1 cookie without Secure/HttpOnly flags
SecuritySet 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
SEOTrim the meta description to under 160 characters to avoid truncation in search results.
+2 more issues — details in the sections below.
SEO
1 issue(s) found
Performance
758 ms
Security
HTTPS & header checks
Accessibility
1 issue(s) found
Score history
+3 overall since Jul 26, 2026
- Overall
- 87
- SEO
- 95
- Security
- 65
- Performance
- 100
- Accessibility
- 85
Organization
Company details published in this site's own structured data.
辞典オンラインは、漢字辞典、四字熟語辞典、ことわざ辞典、国語辞典、人物名鑑などさまざまな辞書・辞典を収録した総合辞典サイトです。
Meta tags
- Title
- 辞典オンライン
- Description
- 辞典オンラインは、漢字辞典、四字熟語辞典、ことわざ辞典、国語辞典、人物名鑑などさまざまな辞書・辞典を収録した総合辞典サイトです。
- Canonical
- https://jitenon.jp/
- Language
- ja
- Charset
- UTF-8
- Viewport
- width=device-width,initial-scale=1
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- Cloudflare
- CDN provider
- Cloudflare
- IP address
- 172.67.173.52
- ASN
- AS13335 (CLOUDFLARENET - Cloudflare, Inc., US)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA |
|
| MX |
|
| TXT |
|
| NS |
|
| CAA | — |
| CNAME | — |
| IPv6 support | Yes |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Let's Encrypt
- Subject
- jitenon.jp
- Valid from
- Jun 21, 2026
- Valid to
- Sep 19, 2026
- Days until expiry
- 44
- SAN domains
- *.jitenon.jp, jitenon.jp
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 1 cookie(s) observed
Content & assets
Headings
H1 1 · H2 2 · H3 9
Links
10 internal · 20 external · 1 broken
Images
19 total · 9 missing alt
Scripts / Styles
15 scripts · 3 stylesheets
JS / CSS size
821 KB · 159 B
Page size
16.1 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 10
- sitemap.xml
- Found
- URLs in sitemap
- 3
SEO issues
- Meta description longer than 160 characters
Accessibility issues
- More than 20% of images are missing alt text
Scan details
- Requested URL
- https://jitenon.jp
- Final URL
- https://jitenon.jp
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 758 ms
- HTML size
- 16.1 KB
- Redirect chain
- https://jitenon.jp
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does jitenon.jp use?
- jitenon.jp is built with jQuery, Google Analytics, Cloudflare Analytics, Google Ads.
- Is jitenon.jp secure (HTTPS)?
- Yes. jitenon.jp uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Sep 19, 2026.
- Who hosts jitenon.jp?
- jitenon.jp is hosted on Cloudflare, behind Cloudflare CDN.
- What is jitenon.jp's SEO score?
- jitenon.jp scored 95/100 for SEO in the latest analysis (excellent).
- What is jitenon.jp's overall website score?
- jitenon.jp has an overall SiteGraph score of 87/100, combining SEO, performance, security, and accessibility.
- Has jitenon.jp's score changed over time?
- jitenon.jp's overall score has improved by 3 points (from 84 to 87) since Jul 26, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card