structurizr.com
Structurizr
Last scanned Aug 24, 2026, 1:22 PM · 1 view
Overall score
Great
Summary
Visualise, document and explore your software architecture with Structurizr. This website uses Cloudflare Analytics hosted on Cloudflare behind Cloudflare CDN. SEO is fair (65/100) and accessibility is good (75/100). Security scores excellent (90/100) and performance excellent (100/100). Top issue: Missing canonical link.
Visualise, document and explore your software architecture with Structurizr
- United States
- Hosted on Cloudflare
Top issues to fix
9 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.
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.
Missing OpenGraph tags
SEOAdd og:title/og:description/og:image so shared links render a proper preview card.
+3 more issues — details in the sections below.
SEO
5 issue(s) found
Performance
470 ms
Security
HTTPS & header checks
Accessibility
2 issue(s) found
Organization
Company details published in this site's own structured data.
Visualise, document and explore your software architecture with Structurizr
Meta tags
- Title
- Structurizr
- Description
- Visualise, document and explore your software architecture with Structurizr
- Canonical
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1, shrink-to-fit=no
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- Cloudflare
- CDN provider
- Cloudflare
- IP address
- 172.67.223.154
- ASN
- AS13335 (CLOUDFLARENET - Cloudflare, Inc., US)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA |
|
| MX |
|
| TXT |
|
| NS |
|
| CAA | — |
| CNAME | — |
| IPv6 support | Yes |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Let's Encrypt
- Subject
- structurizr.com
- Valid from
- Aug 10, 2026
- Valid to
- Nov 8, 2026
- Days until expiry
- 75
- SAN domains
- *.structurizr.com, structurizr.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 0 · H3 0
Links
18 internal · 18 external · 3 broken
Images
37 total · 12 missing alt
Scripts / Styles
11 scripts · 6 stylesheets
JS / CSS size
180 KB · 167 KB
Page size
20.1 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 7
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Missing canonical link
- No H1 heading found
- No structured data (JSON-LD) found
- Missing OpenGraph tags
- sitemap.xml not found
Accessibility issues
- More than 20% of images are missing alt text
- No H1 heading found
Scan details
- Requested URL
- https://structurizr.com
- Final URL
- https://structurizr.com
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 470 ms
- HTML size
- 20.1 KB
- Redirect chain
- https://structurizr.com
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does structurizr.com use?
- structurizr.com is built with jQuery, Cloudflare Analytics.
- Is structurizr.com secure (HTTPS)?
- Yes. structurizr.com uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Nov 8, 2026.
- Who hosts structurizr.com?
- structurizr.com is hosted on Cloudflare, behind Cloudflare CDN.
- What is structurizr.com's SEO score?
- structurizr.com scored 65/100 for SEO in the latest analysis (fair).
- What is structurizr.com's overall website score?
- structurizr.com has an overall SiteGraph score of 82/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card