nl.go.kr
국립중앙도서관
Last scanned Aug 24, 2026, 1:22 PM · 1 view
Overall score
Great
Summary
국립중앙도서관에 오신 것을 환영합니다. This website uses Google Analytics. SEO is fair (70/100) and accessibility is excellent (100/100). Security scores excellent (100/100) and performance excellent (90/100). Top issue: Missing canonical link.
국립중앙도서관에 오신 것을 환영합니다
Top issues to fix
7 issues found
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.
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.
robots.txt not found
SEOPublish /robots.txt with a Sitemap: directive to guide crawlers.
sitemap.xml not found
SEOPublish an XML sitemap and reference it from robots.txt to speed up page discovery.
+1 more issue — details in the sections below.
SEO
5 issue(s) found
Performance
406 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
국립중앙도서관에 오신 것을 환영합니다
Meta tags
- Title
- 국립중앙도서관
- Description
- 국립중앙도서관에 오신 것을 환영합니다
- Canonical
- Language
- ko
- Charset
- UTF-8
- Viewport
- width=device-width, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0, user-scalable=no
- Robots meta
- INDEX,FOLLOW
- Manifest
Technologies
Detected frameworks, languages, and tools.
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
- DigiCert Inc
- Subject
- *.nl.go.kr
- Valid from
- Feb 20, 2026
- Valid to
- Mar 23, 2027
- Days until expiry
- 210
- SAN domains
- *.nl.go.kr, nl.go.kr
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyEnabled
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: none · 3 cookie(s) observed
Content & assets
Headings
H1 5 · H2 0 · H3 2
Links
2242 internal · 8 external · 20 broken
Images
14 total · 0 missing alt
Scripts / Styles
20 scripts · 13 stylesheets
JS / CSS size
18.4 KB · 0 B
Page size
699 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Missing canonical link
- Multiple H1 headings found
- No structured data (JSON-LD) found
- robots.txt not found
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://nl.go.kr
- Final URL
- https://nl.go.kr
- HTTP status
- 200
- HTTP version
- HTTP/1.1
- Response time
- 392 ms
- HTML size
- 699 KB
- Redirect chain
- https://nl.go.kr
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does nl.go.kr use?
- nl.go.kr is built with jQuery, Google Analytics.
- Is nl.go.kr secure (HTTPS)?
- Yes. nl.go.kr uses TLS 1.3 with a certificate issued by DigiCert Inc, valid until Mar 23, 2027.
- Who hosts nl.go.kr?
- Hosting provider information for nl.go.kr is not available yet.
- What is nl.go.kr's SEO score?
- nl.go.kr scored 70/100 for SEO in the latest analysis (fair).
- What is nl.go.kr's overall website score?
- nl.go.kr has an overall SiteGraph score of 89/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card