healthdata.gov

https://healthdata.gov· First analyzed 07 May 2026· Updated 07 May 2026

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healthdata.gov

Mobile

Sponsored

Hosting Provider

Amazon Web Services (AWS)

aws.amazon.com

IP Address

3.33.161.206

Site Location

🇨🇦 Canadavia ip

Server Location

🇨🇦 Montreal, Canada

ASN

AS16509

Organization

AWS Global Accelerator (GLOBAL)

Server

Nginx

CDN

Azure Cdn

Nameservers

ns2-07.azure-dns.net.ns3-07.azure-dns.org.ns4-07.azure-dns.info.ns1-07.azure-dns.com.

Performance

Core Web Vitals

Weight

First Contentful Paint

1.9 s10%

Speed Index

2.5 s10%

Largest Contentful Paint

—25%

Total Blocking Time

0.0 ms30%

Cumulative Layout Shift

0.00025%

5.4 MB

49 requests

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Ghost

Technology Stack

11 Technologies Detected

Other

D3.js Chart.js Highcharts

Libraries

CSS Frameworks

Icon Libraries

Analytics

Web Servers

Security

Customer Support

CDN

SEO Analysis

D53/100

Meta Tags4/15

Content3/12

Headings5/8

Technical17/25

E-E-A-T0/7

Images4/7

Links5/5

URL5/5

Social3/5

Freshness0/4

Mobile4/4

Indexability3/3

healthdata.govhealthdata.gov

HealthData.gov

No description available for this page.

Title Length14 chars

Recommended: 50-60 chars (~82px / 580px)

Description Length0 chars

Recommended: 120-160 chars

Issues (2)

• Missing meta description — important for click-through rates in SERPs
• Very thin content (0 words). Search engines need substantial content for ranking.

9 issues found

Upgrade to view details

Crawlability

Sitemap

Type: index

1 URLs

1 sub-sitemaps

robots.txt

61 rules

Sitemap reference found

Local SEO

Local Search Readiness

13/100

Poor

4 11 2

This site doesn't appear to be a local business. Local SEO signals are optional for non-local websites.

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AI & LLM Readiness

F32/100

Bot Access

20/25

Machine Read.

7/25

Schema Data

3/25

Citation

2/25

AI Bot Access

14/14 accessible

AI Search

OAI-SearchBot

PerplexityBot

Claude-SearchBot

Gemini-Deep-Research

DuckAssistBot

Training

GPTBot

ClaudeBot

Google-Extended

Meta-ExternalAgent

Bytespiderinfo

Amazonbot

Applebot-Extended

CCBotinfo

Fetch

ChatGPT-User

Machine Readability

llms.txt

llms-full.txt

Semantic HTML

Heading Hierarchy

Text ratio:0%

Words:779

Token eff.:Optimal

Structured Data

1 JSON-LD

WebSiteSearchAction

Citation Readiness

Opening Summary

Descriptive Headings

Canonical URL

Open Graph0/3

Twitter Card0/3

Language Tag

Publish Date

Author Info

Lists

Tables

TL;DR / Summary

About Page Link

Recommendations (12)

AI readiness recommendation preview...

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Accessibility

WCAG 2.1 Compliance

Evaluates how accessible your website is for users with disabilities, based on WCAG 2.1 guidelines. Checks images, forms, keyboard navigation, ARIA roles, and color contrast.

63/100

Passed

Critical

Warnings

Images & Alt Text

20/20

Checks if images have descriptive alt text for screen readers and visually impaired users.

Semantic Structure

3/20

Evaluates proper use of HTML5 semantic elements (header, nav, main, footer) and heading hierarchy.

Forms & Inputs

15/15

Verifies form fields have labels, error messages are clear, and inputs are properly associated.

Color & Contrast

15/15

Tests text-to-background color contrast ratios against WCAG AA/AAA minimum requirements.

Keyboard & Focus

9/15

Ensures all interactive elements are reachable and operable via keyboard (tab, enter, escape).

ARIA & Roles

1/15

Checks correct use of WAI-ARIA attributes (roles, states, properties) for assistive technologies.

2 recommendations

•Accessibility recommendation preview...

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Carbon Footprint

SWDM v4 · Eco-Score

Carbon emissions estimated using the Sustainable Web Design Model v4 (SWDM v4). Factors in data center, network, and device energy across new and returning visitors. Grade thresholds based on HTTP Archive percentiles.

35/100

563 mg

CO₂e / view

5.4 MB

Page Weight

Cleaner Than

New Visitor

644 mg

Returning (cached)

322 mg

Annual (10K/mo)

67.6 kg

Emission Segments

Data Center

28 mg

Network

166 mg

Device

370 mg

Resource Breakdown

JavaScript

172.6 KB

Images

26.1 KB

CSS

5.1 MB

HTML

162.7 KB

Other

5.2 KB

Green Hosting Verified

Amazon Web Services (AWS)

Provider Match

4 recommendations

•Carbon footprint recommendation preview...

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Security Score

46%Poor

Interactive

HTTPS

No WAF

326d

Certificate Details

Type

Domain Validated (DV)

Certificate Authority

GlobalSign nv-sa

Key Algorithm

RSA (2048 bit)

Signature

SHA-256 with RSA

TLS Version

TLSv1.2

HTTP Protocol

HTTP/1.1

Valid From

25.02.2026

Valid Until

29.03.2027

OCSP Stapling

Enabled

Subject Alternative Names (1)

healthdata.gov

SHA-256 Fingerprint

83:DC:4E:86:32:AD:FC:AB:C0:5E:1E:94:0D:71:71:52:F3:00:A5:C8...

Top Recommendations

Security recommendation preview

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HTTP Headers

Developer Console

cache-control

🟡 0s(max-age=0, private, must-revalidate)

connection

keep-alive

content-encoding

📦 Gzip(gzip)

content-security-policy-report-only

default-src 'self'; base-uri 'self'; frame-ancestors 'self' ...

content-type

text/html; charset=utf-8

date

Thu, 07 May 2026 00:53:39 GMT

Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

SPF

DKIM

DMARC

DMARC Policy

Reject (Strictest)

Domain Information

healthdata.gov

Domain Age

15y 2m

Created

16.02.2011

Expires

05.02.2027

Last Updated

10.02.2026

Registrar

get.gov

DNSSEC

Not Enabled

Privacy & Compliance

Cookie Consent Banner

GDPR Indicators

Data Protection Officer mentioned

Mobile Compatibility

Viewport & Responsive Test

Tests how well your website works on mobile devices. Checks viewport configuration, responsive layout, touch targets, font readability, and simulates rendering across different screen sizes.

36/100

Not Mobile Friendly

Viewport Meta

The viewport meta tag tells mobile browsers how to scale the page. Without it, mobile devices render at desktop width.

Responsive Design

Uses CSS media queries or flexible layouts to adapt content to different screen sizes automatically.

Touch Icons

Apple touch icons and favicons displayed when users add the site to their home screen on mobile devices.

Readable Font Size

Base font size should be at least 16px on mobile to ensure text is readable without zooming.

Relative Units

Using em, rem, %, or vw instead of fixed px values allows content to scale properly across screen sizes.

No H-Scroll Risk

No elements wider than the viewport that would cause horizontal scrolling on mobile devices.

Tap Targets OK

Interactive elements (buttons, links) are at least 48x48px with enough spacing to prevent accidental taps.

No Fixed Widths

No elements with fixed pixel widths that could overflow on smaller screens and break the layout.

3 recommendations

•Mobile compatibility recommendation preview...

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Typography & Readability

Arial

WCAG Partial

56/100

Readability

/30

15/30

24px · LH 1.00

Hierarchy

/20

12/20

1.46x ratio

WCAG

/25

13/25

1:1 min contrast

Performance

/25

16/25

System fonts

Heading Font

Arial

Sans35px

Body Font

Arial

Sans24px

Contrast Ratio

1:1

6 issues

Reading Comfort

~42 CPL

Narrow lines

35px

28px

21px

24px

✅ Excellent readability: 24px body text is ideal for all devices.

⚠️ Tight line spacing (1.00). Increase to 1.4–1.6 for better readability.

❌ Very complex text: Flesch score 30/100. Consider shorter sentences and simpler words.

⚠️ Partial contrast: 6 elements below WCAG AA threshold (min 1.0:1).

⚠️ Minor heading issue: 1 level skip(s) detected. Maintain sequential order for screen readers.

⚠️ Weak hierarchy: Headlines should be ≥2x body size for clear visual structure.

Flesch 30

Color Palette

7 unique colors

Light

#ffffff

Background· 25.9%

#1a4480

Accent· 45.400000000000006%

#262a4f

Secondary· 8.7%

#005fa3

Primary· 7.4%

#6585a6

Secondary· 6%

#1e386a

Accent· 0.5%

Business & Marketing Stack

1 Tools Detected

Growing

Behavior Analytics

Google AnalyticsFree

User behavior and product analytics

Sponsored

Scripts & Styles

20 Resources

Scripts

Styles

Async

Defer

Top Script Sources

cdn.socrata.com(9)local(1)

Website Identity

healthdata.gov

[email protected]

15 years old

Location detected: 🇨🇦 Canadavia ip

get.goven

Social Profiles

X (Twitter)

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Last analyzed: 07 May 2026 at 00:54

Historical Analysis & Change Tracking