a-ha.io
아하 | 궁금할 땐, 아하!
Last scanned Aug 3, 2026, 3:00 PM · 8 views
Overall score
Excellent
Summary
질문답변이 돈이 되는 지식 앱테크 커뮤니티, 아하. This website uses Next.js hosted on AWS behind CloudFront CDN. SEO is excellent (100/100) and accessibility is excellent (100/100). Security scores fair (65/100) and performance excellent (100/100).
아하 (Aha)
질문답변이 돈이 되는 지식 앱테크 커뮤니티, 아하.
- United States
- Hosted on AWS
Top issues to fix
6 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.
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.
1 broken link on the page
SEOFix or remove broken links — they waste crawl budget and erode user trust.
SEO
0 issue(s) found
Performance
701 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Score history
+2 overall since Jul 26, 2026
- Overall
- 91
- SEO
- 100
- Security
- 65
- Performance
- 100
- Accessibility
- 100
Organization
Company details published in this site's own structured data.
Meta tags
- Title
- 아하 | 궁금할 땐, 아하!
- Description
- 질문답변이 돈이 되는 지식 앱테크 커뮤니티, 아하.
- Canonical
- https://www.a-ha.io
- Language
- ko
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- AWS
- CDN provider
- CloudFront
- IP address
- 18.172.64.27
- ASN
- AS16509 (AMAZON-02 - Amazon.com, Inc., US)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA | — |
| MX | — |
| TXT | — |
| NS | — |
| CAA | — |
| CNAME | — |
| IPv6 support | No |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Amazon
- Subject
- a-ha.io
- Valid from
- Jan 15, 2026
- Valid to
- Feb 13, 2027
- Days until expiry
- 194
- SAN domains
- a-ha.io, *.a-ha.io, *.api.a-ha.io
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 2 cookie(s) observed
Content & assets
Headings
H1 1 · H2 1 · H3 0
Links
25 internal · 2 external · 1 broken
Images
23 total · 0 missing alt
Scripts / Styles
52 scripts · 1 stylesheets
JS / CSS size
866 KB · 250 KB
Page size
265 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 3
- sitemap.xml
- Found
- URLs in sitemap
- 200
SEO issues
No SEO issues detected.
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://a-ha.io
- Final URL
- https://www.a-ha.io
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 696 ms
- HTML size
- 265 KB
- Redirect chain
- https://a-ha.io → https://www.a-ha.io
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does a-ha.io use?
- a-ha.io is built with Next.js.
- Is a-ha.io secure (HTTPS)?
- Yes. a-ha.io uses TLS 1.3 with a certificate issued by Amazon, valid until Feb 13, 2027.
- Who hosts a-ha.io?
- a-ha.io is hosted on AWS, behind CloudFront CDN.
- What is a-ha.io's SEO score?
- a-ha.io scored 100/100 for SEO in the latest analysis (excellent).
- What is a-ha.io's overall website score?
- a-ha.io has an overall SiteGraph score of 91/100, combining SEO, performance, security, and accessibility.
- What company operates a-ha.io?
- a-ha.io is operated by 아하 (Aha). 질문답변이 돈이 되는 지식 앱테크 커뮤니티, 아하.
- Has a-ha.io's score changed over time?
- a-ha.io's overall score has improved by 2 points (from 89 to 91) since Jul 26, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card