stamen.com
Stamen | Data Visualization Design Agency & Cartography Firm
Last scanned Aug 24, 2026, 1:22 PM · 1 view
Overall score
Great
Summary
More than 20 years of building impactful, award-winning visualizations and custom data viz tools. This website uses WordPress hosted on Cloudflare behind Cloudflare CDN. SEO is good (85/100) and accessibility is fair (70/100). Security scores fair (65/100) and performance excellent (100/100). Top issue: Meta description longer than 160 characters.
More than 20 years of building impactful, award-winning visualizations and custom data viz tools. Recipient of National Interaction Design Award from the Smithsonian.
- United States
- Hosted on Cloudflare
Top issues to fix
8 issues found · 3 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.
Over half of images are missing alt text
AccessibilityAdd alt attributes to images — screen readers depend on them, and they help image SEO.
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.
Meta description longer than 160 characters
SEOTrim the meta description to under 160 characters to avoid truncation in search results.
+2 more issues — details in the sections below.
SEO
3 issue(s) found
Performance
318 ms
Security
HTTPS & header checks
Accessibility
1 issue(s) found
Organization
Company details published in this site's own structured data.
More than 20 years of building impactful, award-winning visualizations and custom data viz tools. Recipient of National Interaction Design Award from the Smithsonian.
Contact
Email, phone, and address published on this site's own pages.
- info@stamen.com
Source: https://stamen.com/contact/
Meta tags
- Title
- Stamen | Data Visualization Design Agency & Cartography Firm
- Description
- More than 20 years of building impactful, award-winning visualizations and custom data viz tools. Recipient of National Interaction Design Award from the Smithsonian.
- Canonical
- https://stamen.com/
- Language
- en-US
- Charset
- UTF-8
- Viewport
- width=device-width, initial-scale=1
- Robots meta
- index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- Cloudflare
- CDN provider
- Cloudflare
- IP address
- 141.193.213.10
- ASN
- AS209242 (CLOUDFLARESPECTRUM - Cloudflare London, LLC, US)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA | — |
| MX |
|
| TXT |
|
| NS |
|
| CAA | — |
| CNAME | — |
| IPv6 support | No |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Let's Encrypt
- Subject
- stamen.com
- Valid from
- Jun 29, 2026
- Valid to
- Sep 27, 2026
- Days until expiry
- 33
- SAN domains
- stamen.com
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 1 cookie(s) observed
Content & assets
Headings
H1 2 · H2 4 · H3 0
Links
17 internal · 1 external · 0 broken
Images
23 total · 12 missing alt
Scripts / Styles
84 scripts · 13 stylesheets
JS / CSS size
823 KB · 37.3 KB
Page size
119 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Found
- URLs in sitemap
- -1
SEO issues
- Meta description longer than 160 characters
- Multiple H1 headings found
- robots.txt not found
Accessibility issues
- Over half of images are missing alt text
Careers
This company has an active careers page, but individual openings weren't reliably parsed from it — visit the page above for current listings.
Scan details
- Requested URL
- https://stamen.com
- Final URL
- https://stamen.com
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 316 ms
- HTML size
- 119 KB
- Redirect chain
- https://stamen.com
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Frequently asked questions
- What technology does stamen.com use?
- stamen.com is built with WordPress, jQuery, Google Analytics.
- Is stamen.com secure (HTTPS)?
- Yes. stamen.com uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Sep 27, 2026.
- Who hosts stamen.com?
- stamen.com is hosted on Cloudflare, behind Cloudflare CDN.
- What is stamen.com's SEO score?
- stamen.com scored 85/100 for SEO in the latest analysis (great).
- What is stamen.com's overall website score?
- stamen.com has an overall SiteGraph score of 81/100, combining SEO, performance, security, and accessibility.
- Is stamen.com hiring?
- stamen.com has a careers page; check it directly for current openings.
OpenGraph & Twitter Card
OpenGraph
Twitter Card