datausa.io
Data USA
Last scanned Jul 26, 2026, 5:18 AM
Overall score
Fair
Summary
The most comprehensive visualization of U.S. This website uses Nginx hosted on Google Cloud. SEO is fair (65/100) and accessibility is fair (60/100). Security scores excellent (90/100) and performance fair (60/100). Top issue: Missing canonical link.
The most comprehensive visualization of U.S. public data. Data USA provides an open, easy-to-use platform that turns data into knowledge.
- United States
- Hosted on Google Cloud
Top issues to fix
8 issues found · 3 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.
Over half of images are missing alt text
AccessibilityAdd alt attributes to images — screen readers depend on them, and they help image SEO.
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.
robots.txt not found
SEOPublish /robots.txt with a Sitemap: directive to guide crawlers.
+2 more issues — details in the sections below.
SEO
5 issue(s) found
Performance
268 ms
Security
HTTPS & header checks
Accessibility
2 issue(s) found
Organization
Company details published in this site's own structured data.
The most comprehensive visualization of U.S. public data. Data USA provides an open, easy-to-use platform that turns data into knowledge.
Contact
Email, phone, and address published on this site's own pages.
Meta tags
- Title
- Data USA
- Description
- The most comprehensive visualization of U.S. public data. Data USA provides an open, easy-to-use platform that turns data into knowledge.
- Canonical
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- Google Cloud
- CDN provider
- —
- IP address
- 34.133.93.172
- ASN
- AS396982 (GOOGLE-CLOUD-PLATFORM - Google 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
- *.datausa.io
- Valid from
- Jun 23, 2026
- Valid to
- Sep 21, 2026
- Days until expiry
- 56
- SAN domains
- *.datausa.io, datausa.io
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyMissing
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyEnabled
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 0 · H2 8 · H3 0
Links
36 internal · 2 external · 4 broken
Images
6 total · 4 missing alt
Scripts / Styles
9 scripts · 5 stylesheets
JS / CSS size
4.2 MB · 2.8 MB
Page size
61.0 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Missing canonical link
- No H1 heading found
- No structured data (JSON-LD) found
- robots.txt not found
- sitemap.xml not found
Accessibility issues
- Over half of images are missing alt text
- No H1 heading found
Scan details
- Requested URL
- https://datausa.io
- Final URL
- https://datausa.io
- HTTP status
- 200
- HTTP version
- HTTP/1.1
- Response time
- 267 ms
- HTML size
- 61.0 KB
- Redirect chain
- https://datausa.io
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does datausa.io use?
- datausa.io is built with Google Analytics, Nginx.
- Is datausa.io secure (HTTPS)?
- Yes. datausa.io uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Sep 21, 2026.
- Who hosts datausa.io?
- datausa.io is hosted on Google Cloud.
- What is datausa.io's SEO score?
- datausa.io scored 65/100 for SEO in the latest analysis (fair).
- What is datausa.io's overall website score?
- datausa.io has an overall SiteGraph score of 69/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card