ed-cl.com
学校コード入力画面
Last scanned Jul 26, 2026, 5:17 AM · 4 views
Overall score
Great
Summary
This website uses Ruby on Rails hosted on Azure. SEO is fair (55/100) and accessibility is good (80/100). Security scores excellent (90/100) and performance excellent (100/100). Top issue: Missing meta description.
- United States
- Hosted on Azure
Top issues to fix
9 issues found · 3 high priority
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
Missing meta description
SEOAdd a ~150-character meta description to control your search-result snippet and lift click-through rate.
No H1 heading found
SEOAdd exactly one H1 describing the page's main topic — it anchors the document outline for search engines and screen readers.
2 cookies without Secure/HttpOnly flags
SecuritySet Secure and HttpOnly on session cookies so they can't leak over HTTP or be read by injected scripts.
Missing canonical link
SEOAdd <link rel="canonical"> so search engines know which URL variant to index.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
+3 more issues — details in the sections below.
SEO
6 issue(s) found
Performance
968 ms
Security
HTTPS & header checks
Accessibility
2 issue(s) found
Meta tags
- Title
- 学校コード入力画面
- Description
- Canonical
- Language
- Charset
- Viewport
- width=device-width, initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0, user-scalable=no
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- Azure
- CDN provider
- —
- IP address
- 52.140.232.58
- ASN
- AS8075 (MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation, US)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA | — |
| MX | — |
| TXT | — |
| NS | — |
| CAA | — |
| CNAME | — |
| IPv6 support | No |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- GlobalSign nv-sa
- Subject
- *.ed-cl.com
- Valid from
- May 11, 2026
- Valid to
- Nov 26, 2026
- Days until expiry
- 120
- SAN domains
- *.ed-cl.com, ed-cl.com
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyMissing
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyEnabled
- Permissions-PolicyMissing
Compression: none · 3 cookie(s) observed
Content & assets
Headings
H1 0 · H2 0 · H3 0
Links
0 internal · 2 external · 0 broken
Images
1 total · 0 missing alt
Scripts / Styles
4 scripts · 1 stylesheets
JS / CSS size
290 KB · 16.0 KB
Page size
84.3 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Missing meta description
- Missing canonical link
- No H1 heading found
- No structured data (JSON-LD) found
- Missing OpenGraph tags
- sitemap.xml not found
Accessibility issues
- No H1 heading found
- Missing <html lang> attribute
Scan details
- Requested URL
- https://ed-cl.com
- Final URL
- https://idp1.ed-cl.com/login?client_id=portal&nonce=b24aa027d66bdab602f5074d810f1c4a&prompt=login&redirect_uri=https%3A%2F%2Fed-cl.com%2Fusers%2Fauth%2Fpf_user_admin%2Fcallback&response_type=code&scope=openid+feature%3Aaar+classrooms%3Aread+photo_management%3Aphoto%3Acreate.self+photo_management%3Aphoto%3Adelete.self+photo_management%3Aphoto%3Adelete+photo_management%3Astudent_photo%3Adelete.own+photo_management%3Aschedule_retrieval_context%3Aupdate+photo_management%3Aschedule_retrieval_context%3Aupdate.own+photo_management%3Aschedule_retrieval_context%3Aupdate.participating+photo_management%3Aphoto%3Aread.self+photo_management%3Ashared_photo%3Aread+photo_management%3Ashared_photo%3Aread.participating+photo_management%3Ateacher_only_shared_photo%3Aread+photo_management%3Acover_shot%3Aupdate.participating+photo_management%3Acover_shot%3Aupdate.own+photo_management%3Acover_shot%3Aupdate+photo_management%3Acover_shot%3Adelete.self+photo_management%3Acover_shot%3Aread.self+calendar%3Aschedule%3Aread+calendar%3Aschedule%3Awrite+calendar%3Aschedule%3Aread%3Aparticipating+calendar%3Aschedule%3Awrite%3Aown+calendar%3Aschedule_template%3Aread+calendar%3Aschedule_template%3Awrite+aar%3Areflection_entry%3Awrite+aar%3Areflection%3Aread+aar%3Areflection%3Aread%3Aself+aar%3Ateacher_comment%3Aread+aar%3Ateacher_comment%3Aread%3Ato_me+aar%3Ateacher_comment%3Adelete+aar%3Ateacher_comment%3Adelete%3Aself+aar%3Ateacher_comment%3Acreate+aar%3Ateacher_comment%3Acreate%3Aown+aar%3Ateacher_comment%3Aupdate%3Aself&state=84ec2c77167270c75ac85fdcf595de7d
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 967 ms
- HTML size
- 84.3 KB
- Redirect chain
- https://ed-cl.com → https://ed-cl.com/users/sign_in → https://ed-cl.com/users/auth/pf_user_admin → https://idp1.ed-cl.com/oauth/authorize?client_id=portal&nonce=b24aa027d66bdab602f5074d810f1c4a&prompt=login&redirect_uri=https%3A%2F%2Fed-cl.com%2Fusers%2Fauth%2Fpf_user_admin%2Fcallback&response_type=code&scope=openid%20feature%3Aaar%20classrooms%3Aread%20photo_management%3Aphoto%3Acreate.self%20photo_management%3Aphoto%3Adelete.self%20photo_management%3Aphoto%3Adelete%20photo_management%3Astudent_photo%3Adelete.own%20photo_management%3Aschedule_retrieval_context%3Aupdate%20photo_management%3Aschedule_retrieval_context%3Aupdate.own%20photo_management%3Aschedule_retrieval_context%3Aupdate.participating%20photo_management%3Aphoto%3Aread.self%20photo_management%3Ashared_photo%3Aread%20photo_management%3Ashared_photo%3Aread.participating%20photo_management%3Ateacher_only_shared_photo%3Aread%20photo_management%3Acover_shot%3Aupdate.participating%20photo_management%3Acover_shot%3Aupdate.own%20photo_management%3Acover_shot%3Aupdate%20photo_management%3Acover_shot%3Adelete.self%20photo_management%3Acover_shot%3Aread.self%20calendar%3Aschedule%3Aread%20calendar%3Aschedule%3Awrite%20calendar%3Aschedule%3Aread%3Aparticipating%20calendar%3Aschedule%3Awrite%3Aown%20calendar%3Aschedule_template%3Aread%20calendar%3Aschedule_template%3Awrite%20aar%3Areflection_entry%3Awrite%20aar%3Areflection%3Aread%20aar%3Areflection%3Aread%3Aself%20aar%3Ateacher_comment%3Aread%20aar%3Ateacher_comment%3Aread%3Ato_me%20aar%3Ateacher_comment%3Adelete%20aar%3Ateacher_comment%3Adelete%3Aself%20aar%3Ateacher_comment%3Acreate%20aar%3Ateacher_comment%3Acreate%3Aown%20aar%3Ateacher_comment%3Aupdate%3Aself&state=84ec2c77167270c75ac85fdcf595de7d → https://idp1.ed-cl.com/login?client_id=portal&nonce=b24aa027d66bdab602f5074d810f1c4a&prompt=login&redirect_uri=https%3A%2F%2Fed-cl.com%2Fusers%2Fauth%2Fpf_user_admin%2Fcallback&response_type=code&scope=openid+feature%3Aaar+classrooms%3Aread+photo_management%3Aphoto%3Acreate.self+photo_management%3Aphoto%3Adelete.self+photo_management%3Aphoto%3Adelete+photo_management%3Astudent_photo%3Adelete.own+photo_management%3Aschedule_retrieval_context%3Aupdate+photo_management%3Aschedule_retrieval_context%3Aupdate.own+photo_management%3Aschedule_retrieval_context%3Aupdate.participating+photo_management%3Aphoto%3Aread.self+photo_management%3Ashared_photo%3Aread+photo_management%3Ashared_photo%3Aread.participating+photo_management%3Ateacher_only_shared_photo%3Aread+photo_management%3Acover_shot%3Aupdate.participating+photo_management%3Acover_shot%3Aupdate.own+photo_management%3Acover_shot%3Aupdate+photo_management%3Acover_shot%3Adelete.self+photo_management%3Acover_shot%3Aread.self+calendar%3Aschedule%3Aread+calendar%3Aschedule%3Awrite+calendar%3Aschedule%3Aread%3Aparticipating+calendar%3Aschedule%3Awrite%3Aown+calendar%3Aschedule_template%3Aread+calendar%3Aschedule_template%3Awrite+aar%3Areflection_entry%3Awrite+aar%3Areflection%3Aread+aar%3Areflection%3Aread%3Aself+aar%3Ateacher_comment%3Aread+aar%3Ateacher_comment%3Aread%3Ato_me+aar%3Ateacher_comment%3Adelete+aar%3Ateacher_comment%3Adelete%3Aself+aar%3Ateacher_comment%3Acreate+aar%3Ateacher_comment%3Acreate%3Aown+aar%3Ateacher_comment%3Aupdate%3Aself&state=84ec2c77167270c75ac85fdcf595de7d
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Frequently asked questions
- What technology does ed-cl.com use?
- ed-cl.com is built with Ruby on Rails.
- Is ed-cl.com secure (HTTPS)?
- Yes. ed-cl.com uses TLS 1.3 with a certificate issued by GlobalSign nv-sa, valid until Nov 26, 2026.
- Who hosts ed-cl.com?
- ed-cl.com is hosted on Azure.
- What is ed-cl.com's SEO score?
- ed-cl.com scored 55/100 for SEO in the latest analysis (fair).
- What is ed-cl.com's overall website score?
- ed-cl.com has an overall SiteGraph score of 80/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card