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sicklecelldisease.org

https://sicklecelldisease.org· First analyzed 19 May 2026· Updated 19 May 2026
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sicklecelldisease.org
Desktop screenshot of sicklecelldisease.org
Mobile screenshot of sicklecelldisease.org
Mobile

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Hosting Provider

IP Address

67.225.143.33

Site Location

🇺🇸 United Statesvia ip

Server Location

🇺🇸 Lansing, United States

ASN

AS32244

Organization

SourceDNS

Server

Apache

Nameservers

ns64.worldnic.com.ns63.worldnic.com.

Performance

96

Core Web Vitals

Weight

First Contentful Paint
1.1 s10%
Speed Index
1.4 s10%
Largest Contentful Paint
25%
Total Blocking Time
0.0 ms30%
Cumulative Layout Shift
0.00025%
8.8 MB
87 requests
0–49
50–89
90–100

Architecture Stack

Monolithic
⚙️ SSR
Frontend
Styling
Bootstrap
CMS
WordPressv6.9.4
Infrastructure
Hosting
SourceDNS

SEO Analysis

C69/100
19
8
2
Meta Tags4/15
Content10/12
Headings6/8
Technical23/25
E-E-A-T2/7
Images1/7
Links5/5
URL5/5
Social3/5
Freshness4/4
Mobile3/4
Indexability3/3
S
sicklecelldisease.orgsicklecelldisease.org

Home - SCDAA

No description available for this page.

Title Length12 chars

Recommended: 50-60 chars (~77px / 580px)

Description Length0 chars

Recommended: 120-160 chars

Issues (2)

  • Missing meta description — important for click-through rates in SERPs
  • Most images missing alt text (36/37) — critical for accessibility and SEO

Crawlability

Sitemap

Type: index

9 URLs

9 sub-sitemaps

robots.txt

5 rules

Sitemap reference found

Local SEO

Local Search Readiness

31/100
Needs Work
9 8

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AI & LLM Readiness

D54/100
Bot Access
20/25
Machine Read.
13/25
Schema Data
6/25
Citation
15/25

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.txtinvalid
llms-full.txt
Semantic HTML
Heading Hierarchy
Text ratio:2%
Words:867
Token eff.:Optimal
Sections/1K:21.9

Structured Data

4 JSON-LD
Organization×1.1WebSiteBreadcrumbList

Citation Readiness

Opening Summary60w
Descriptive Headingsavg 5w
Canonical URL
Open Graph1/3
Twitter Card2/3
Language Tag
Publish Date
Author Info
Lists
Tables
TL;DR / Summary
About Page Link
Recommendations (10)
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.
C
61/100
9
Passed
5
Critical
3
Warnings
Images & Alt Text
15/20
Checks if images have descriptive alt text for screen readers and visually impaired users.
Semantic Structure
11/20
Evaluates proper use of HTML5 semantic elements (header, nav, main, footer) and heading hierarchy.
Forms & Inputs
7/15
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
11/15
Ensures all interactive elements are reachable and operable via keyboard (tab, enter, escape).
ARIA & Roles
2/15
Checks correct use of WAI-ARIA attributes (roles, states, properties) for assistive technologies.
4 recommendations
  • Accessibility recommendation preview...

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.
4/100
F
1.11 g
CO₂e / view
8.8 MB
Page Weight
5%
Cleaner Than
New Visitor
1.27 g
vs
Returning (cached)
636 mg
Annual (10K/mo)
133.6 kg
Emission Segments
Data Center
249 mg
Network
267 mg
Device
598 mg
Resource Breakdown
JavaScript
873.9 KB
Images
6.0 MB
CSS
1.8 MB
HTML
86.4 KB
Other
300 B
Green Hosting Not Verified
SourceDNS
10 recommendations
  • Carbon footprint recommendation preview...
F

Security Score

21%Critical
Interactive

HTTPS

No WAF

31d

Certificate Details

Type

Domain Validated (DV)

Certificate Authority

Let's Encrypt

Key Algorithm

RSA (2048 bit)

Signature

SHA-256 with RSA

TLS Version

TLSv1.2

HTTP Protocol

HTTP/2

Valid From

22.03.2026

Valid Until

20.06.2026

Subject Alternative Names (2)

sicklecelldisease.orgwww.sicklecelldisease.org

SHA-256 Fingerprint

D7:0B:26:30:01:FA:48:C8:DD:5F:97:04:D5:BB:E2:C3:3C:53:99:14...

Top Recommendations

Security recommendation preview

HTTP Headers

Developer Console

content-type
text/html; charset=UTF-8
date
Tue, 19 May 2026 22:53:00 GMT
link
<https://sicklecelldisease.org/wp-json/>; rel="https://api.w...
server
Apache
Good Warning Issue

Email Infrastructure

Barracuda

Score

90

SPF
DKIM
DMARC

DMARC Policy

None (Monitor Only)

MX Records (2)

d257167a.ess.barracudanetworks.com
d257167b.ess.barracudanetworks.com

Domain Information

sicklecelldisease.org

Domain Age
28y 9m

Created

27.08.1997

Expires

26.08.2027

Last Updated

10.10.2022

Registrar

Network Solutions, LLC

DNSSEC
Not Enabled

Privacy & Compliance

Cookie Consent Banner
Privacy Policy
Terms of Service

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.
C
65/100
Mobile Friendly1 breakpoint
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.
Viewport
width=device-width
2 recommendations
  • Mobile compatibility recommendation preview...

Typography & Readability

Arial

WCAG Partial
67/100
Readability
/30
22/30

25px · LH 1.20

Hierarchy
/20
14/20

2.4x ratio

WCAG
/25
13/25

1:1 min contrast

Performance
/25
18/25

System fonts

Heading Font

Arial

Sans60px

Body Font

Arial

Sans25px

Contrast Ratio

1:1

23 issues

Reading Comfort

~40 CPL

Narrow lines
60px
h1
50px
h2
31px
h3
24px
h4
25px
p

✅ Excellent readability: 25px body text is ideal for all devices.

⚠️ Tight line spacing (1.20). Increase to 1.4–1.6 for better readability.

⚠️ Hard to read: Flesch score 42/100. Simplify sentences for wider reach.

⚠️ Partial contrast: 23 elements below WCAG AA threshold (min 1.0:1).

⚠️ Minor heading issue: 0 level skip(s) detected. Maintain sequential order for screen readers.

✅ Strong hierarchy: Headlines are 2.4x larger than body text.

GGoogle FontsFlesch 42

Color Palette

9 unique colors
5.74:1 AA Dark
#666666
Other· 29.9%
#ffffff
Text· 13.7%
#111407
Primary· 18.1%
#353b1e
Secondary· 15.5%
#731416
Accent· 7.7%
#212810
Secondary· 6.4%
#4d2c21
Secondary· 2.6%

Business & Marketing Stack

2 Tools Detected

Growing

Behavior Analytics

2

User behavior and product analytics

1

Categories

2

Total Tools

0

Enterprise

0

Mid-Market

Assessment: Growing marketing technology adoption

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Scripts & Styles

30 Resources

20
Scripts
10
Styles
5
Async
2
Defer

Top Script Sources

sicklecelldisease.org(16)googletagmanager.com(2)gstatic.com(1)static.ctctcdn.com(1)

Website Identity

SCDAA

Organization
Location detected: 🇺🇸 United Statesvia ip
Network Solutions, LLC📧 Barracudaen-US

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Last analyzed: 19 May 2026 at 22:53

Historical Analysis & Change Tracking

sicklecelldisease.org Technology Stack - Built With jQuery, jQuery UI, Owl Carousel, Fancybox, Bootstrap | StackOptic | StackOptic