costco.co.kr
코스트코 온라인몰 | 코스트코 코리아
Last scanned Jul 27, 2026, 2:43 PM · 1 view
Overall score
Fair
Summary
언제 어디서나 쉽고 간편하게! 코스트코 온라인몰의 놀라운 혜택을 만나보세요. This website uses Angular. SEO is good (85/100) and accessibility is good (75/100). Security scores good (85/100) and performance fair (55/100). Top issue: No H1 heading found.
언제 어디서나 쉽고 간편하게! 코스트코 온라인몰의 놀라운 혜택을 만나보세요.
Top issues to fix
8 issues found · 1 high priority
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.
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.
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.
sitemap.xml not found
SEOPublish an XML sitemap and reference it from robots.txt to speed up page discovery.
More than 20% of images are missing alt text
AccessibilityAdd alt attributes to the remaining images (use alt="" for purely decorative ones).
+2 more issues — details in the sections below.
SEO
2 issue(s) found
Performance
2.10 s
Security
HTTPS & header checks
Accessibility
2 issue(s) found
Organization
Company details published in this site's own structured data.
언제 어디서나 쉽고 간편하게! 코스트코 온라인몰의 놀라운 혜택을 만나보세요.
Contact
Email, phone, and address published on this site's own pages.
Meta tags
- Title
- 코스트코 온라인몰 | 코스트코 코리아
- Description
- 언제 어디서나 쉽고 간편하게! 코스트코 온라인몰의 놀라운 혜택을 만나보세요.
- Canonical
- https://www.costco.co.kr/
- Language
- ko
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1
- Robots meta
- index,follow
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- —
- CDN provider
- —
- IP address
- 23.208.178.158
- 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
- prod-sip.costco.co.uk
- Valid from
- Jul 13, 2026
- Valid to
- Jan 20, 2027
- Days until expiry
- 177
- SAN domains
- prod-sip.costco.co.uk, costcowholesalees.costco.es, costcowholesalefr.costco.fr, media-prod-sip.costco.co.kr, media-prod-sip.costco.co.uk, media-prod-sip.costco.com.mx, media-prod-sip.costco.com.tw, media.costco.co.jp, media.costco.co.kr, media.costco.co.nz, media.costco.co.uk, media.costco.com.au, media.costco.com.mx, media.costco.com.tw, media.costco.es, media.costco.fr, media.costco.is, media.costco.se, prod-sip.costco.co.jp, prod-sip.costco.co.kr, prod-sip.costco.com.au, prod-sip.costco.com.mx, prod-sip.costco.com.tw, prod-sip.costco.es, prod-sip.costco.fr, prod-sip.costco.is, signin-intl.costco.com, signinapi-intl.costco.com, www.costco.co.jp, www.costco.co.kr, www.costco.co.nz, www.costco.co.uk, www.costco.com.au, www.costco.com.mx, www.costco.com.tw, www.costco.es, www.costco.fr, www.costco.is, www.costco.se, www.costcowholesalees.costco.es, www.costcowholesalefr.costco.fr, www.occ.costco.co.jp
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyEnabled
- X-Frame-OptionsMissing
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 2 cookie(s) observed
Content & assets
Headings
H1 0 · H2 0 · H3 1
Links
671 internal · 34 external · 2 broken
Images
208 total · 59 missing alt
Scripts / Styles
20 scripts · 3 stylesheets
JS / CSS size
1.5 MB · 175 KB
Page size
2.6 MB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- No H1 heading found
- sitemap.xml not found
Accessibility issues
- More than 20% of images are missing alt text
- No H1 heading found
Scan details
- Requested URL
- https://costco.co.kr
- Final URL
- https://www.costco.co.kr:443/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 2.05 s
- HTML size
- 2.6 MB
- Redirect chain
- https://costco.co.kr → https://www.costco.co.kr:443/
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Frequently asked questions
- What technology does costco.co.kr use?
- costco.co.kr is built with Angular.
- Is costco.co.kr secure (HTTPS)?
- Yes. costco.co.kr uses TLS 1.3 with a certificate issued by DigiCert Inc, valid until Jan 20, 2027.
- Who hosts costco.co.kr?
- Hosting provider information for costco.co.kr is not available yet.
- What is costco.co.kr's SEO score?
- costco.co.kr scored 85/100 for SEO in the latest analysis (great).
- What is costco.co.kr's overall website score?
- costco.co.kr has an overall SiteGraph score of 76/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card