qiita.com
Qiita
Last scanned Jul 31, 2026, 8:00 PM · 9 views
Overall score
Great
Summary
Qiitaは、エンジニアに関する知識を記録・共有するためのサービスです。 プログラミングに関するTips、ノウハウ、メモを簡単に記録 & 公開することができます��… This website uses Nginx behind CloudFront CDN. SEO is good (75/100) and accessibility is excellent (90/100). Security scores excellent (90/100) and performance excellent (90/100). Top issue: Meta description longer than 160 characters.
Qiitaは、エンジニアに関する知識を記録・共有するためのサービスです。 プログラミングに関するTips、ノウハウ、メモを簡単に記録 & 公開することができます。
Top issues to fix
7 issues found · 2 high priority
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
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.
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.
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
4 issue(s) found
Performance
409 ms
Security
HTTPS & header checks
Accessibility
1 issue(s) found
Score history
+5 overall since Jul 24, 2026
- Overall
- 86
- SEO
- 75
- Security
- 90
- Performance
- 90
- Accessibility
- 90
Organization
Company details published in this site's own structured data.
Qiitaは、エンジニアに関する知識を記録・共有するためのサービスです。 プログラミングに関するTips、ノウハウ、メモを簡単に記録 & 公開することができます。
Meta tags
- Title
- Qiita
- Description
- Qiitaは、エンジニアに関する知識を記録・共有するためのサービスです。 プログラミングに関するTips、ノウハウ、メモを簡単に記録 & 公開することができます。
- Canonical
- https://qiita.com/
- Language
- ja
- Charset
- utf-8
- Viewport
- width=device-width,initial-scale=1,shrink-to-fit=no,viewport-fit=cover
- Robots meta
- Manifest
- https://qiita.com/manifest.json
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- —
- CDN provider
- CloudFront
- 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
- Amazon
- Subject
- qiita.com
- Valid from
- Sep 3, 2025
- Valid to
- Oct 1, 2026
- Days until expiry
- 62
- SAN domains
- qiita.com, *.qiita.com
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyMissing
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyEnabled
- Permissions-PolicyMissing
Compression: gzip · 1 cookie(s) observed
Content & assets
Headings
H1 0 · H2 31 · H3 0
Links
200 internal · 54 external · 20 broken
Images
111 total · 0 missing alt
Scripts / Styles
12 scripts · 2 stylesheets
JS / CSS size
79.8 KB · 40.5 KB
Page size
322 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Meta description longer than 160 characters
- No H1 heading found
- robots.txt not found
- sitemap.xml not found
Accessibility issues
- No H1 heading found
Scan details
- Requested URL
- https://qiita.com
- Final URL
- https://qiita.com
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 403 ms
- HTML size
- 322 KB
- Redirect chain
- https://qiita.com
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does qiita.com use?
- qiita.com is built with Ruby on Rails, Nginx.
- Is qiita.com secure (HTTPS)?
- Yes. qiita.com uses TLS 1.3 with a certificate issued by Amazon, valid until Oct 1, 2026.
- Who hosts qiita.com?
- Hosting provider information for qiita.com is not available yet.
- What is qiita.com's SEO score?
- qiita.com scored 75/100 for SEO in the latest analysis (fair).
- What is qiita.com's overall website score?
- qiita.com has an overall SiteGraph score of 86/100, combining SEO, performance, security, and accessibility.
- Has qiita.com's score changed over time?
- qiita.com's overall score has improved by 5 points (from 81 to 86) since Jul 24, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card