Skip to main content
SGSiteGraph

datausa.io

Data USA

Last scanned Jul 26, 2026, 5:18 AM

69

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

    Security

    Add a CSP to control which sources can run scripts — the strongest single defense against XSS.

  • No H1 heading found

    SEO

    Add 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

    Accessibility

    Add alt attributes to images — screen readers depend on them, and they help image SEO.

  • Missing canonical link

    SEO

    Add <link rel="canonical"> so search engines know which URL variant to index.

  • No structured data (JSON-LD) found

    SEO

    Add JSON-LD (Organization, Article, Product…) to become eligible for rich results.

  • robots.txt not found

    SEO

    Publish /robots.txt with a Sitemap: directive to guide crawlers.

+2 more issues — details in the sections below.

65

SEO

5 issue(s) found

60

Performance

268 ms

90

Security

HTTPS & header checks

60

Accessibility

2 issue(s) found

Not enough scan history yet to show a trend — check back after this site has been re-scanned a few more times.

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

OpenGraph & Twitter Card

OpenGraph

og:title
Data USA
og:description
The most comprehensive visualization of U.S. public data. Data USA provides an open, easy-to-use platform that turns data into knowledge.
og:type
article
og:url

Twitter Card

twitter:card
twitter:title
twitter:description

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

TypeValue
A
  • 34.133.93.172
AAAA
MX
  • alt4.aspmx.l.google.com
  • aspmx.l.google.com
  • alt1.aspmx.l.google.com
  • alt2.aspmx.l.google.com
  • alt3.aspmx.l.google.com
TXT
NS
  • beau.ns.cloudflare.com
  • sharon.ns.cloudflare.com
CAA
CNAME
IPv6 supportNo

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

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.