preventblindness.org
Scanned URL: https://preventblindness.org
📅 Scan completed: April 13, 2026 at 4:55 PM
74
/ 100
B
Good
Overall Domain Score
SEO 62 · LLM 82 · Perf 82
62
π SEO Score
8 / 13 checks passed
82
π€ LLM Readiness
9 / 11 checks passed
82
β‘ Performance
9 / 11 checks passed
π Extracted Page Tags
Title Tag
A Lifetime of Healthy Vision - Prevent Blindness
Meta Description
Founded in 1908, Prevent Blindness is the nationβs leading volunteer eye health and safety organization dedicated to fighting blindness and saving sight.
H1 Heading
None found
Canonical URL
https://preventblindness.org/
π SEO Audit
62/100β
Title Tag
Length: 48 chars (Ideal: 30-60).
β
Meta Description
Length: 153 chars (Ideal: 50-160).
β H1 Tag
Found 0 H1 tags. Exactly 1 is recommended.
β
Canonical URL
Canonical URL is set.
β
Open Graph Tags
Found 13 OG properties (4+ recommended).
β
Indexability
Page allows indexing.
β
Mobile Viewport
Viewport meta tag present.
β Image Alt Text
4 of 68 images missing alt.
β Sitemap
No sitemap found in robots.txt.
β Heading Hierarchy
Missing H1 or H2 tags.
β
Internal Links
Found 628 internal links.
β HSTS Security
Missing HSTS header.
β
HTTPS
Loads securely over HTTPS.
π€ LLMO
82/100β
Structured Data (JSON-LD)
Found 1 JSON-LD blocks.
β
Schema Entities
Types: person, organization, website, imageobject, webpage, article
β FAQ Schema
Missing FAQ schema.
β
Contextual Summary
Description provides good AI context.
β
E-E-A-T (Author)
Author identity found.
β
Organisation Schema
Business entity defined.
β Breadcrumb Schema
Missing BreadcrumbList.
β
AI Crawler Access
AI agents not blocked.
β
Language Declaration
Language set to 'en-US'.
β
Semantic Structure
Uses <main> or <article>.
β
Entity Verification Links
Social/publisher profiles linked.
β‘ Performance
82/100Network Waterfall (Total: 347ms)
- DNS: 124ms
- Connect: 132ms
- TTFB: 322ms
- Download: 25ms
β
Time to First Byte (TTFB)
TTFB: 322ms (Target: < 600ms).
β
HTML Payload Size
Raw HTML: 56.6KB (Target: < 150KB).
β
Text Compression
Compression enabled (gzip).
β
Cache Policies
Cache-Control headers set.
β
CDN Usage
Edge delivery detected.
β
Secure Delivery (HTTPS)
Served securely.
β Modern Protocol
Using HTTP/1.1.
β Native Lazy Loading
No lazy loading detected.
β
Minified Assets
Minified .js/.css referenced.
β
Preload / Preconnect Hints
Resource hints found.
β
Character Set
UTF-8 declared.
π‘οΈ Security & Blacklist
Cleanβ
Domain is clean.
β
Spamhaus DBLVerify β
Lookup inconclusive β use the Verify link to check manually.
β
SURBLVerify β
Not listed β no threats detected.
β
URIBLVerify β
Not listed β no threats detected.
β
Google Safe BrowsingVerify β
No unsafe content found per Google Safe Browsing.
βοΈ Technologies
CMS
WordPress
E-Commerce
Magento
Analytics & Tracking
Google AnalyticsGoogle Tag ManagerHotjar
JavaScript
ReactjQuery
CSS Frameworks
Font Awesome
Infrastructure & CDN
Cloudflare
π WHOIS
Registrar
Network Solutions, LLC
Expires
2028-05-06
Registered
1997-05-05
Last Updated
2026-03-12
Status
client transfer prohibited
Name Servers
adam.ns.cloudflare.com, hope.ns.cloudflare.com
π DNS Records
| Type | Value |
|---|---|
| A | 172.64.80.1 |
| MX | preventblindness-org.mail.protection.outlook.com |
| TXT | google-site-verification=g0zo0LKykmk5yrvSuZl75ouRBF44lI5GlzilPid8zeM |
| TXT | v=spf1 a mx ip4:104.21.48.227 ip4:199.250.222.125 include:spf.protection.outlook.com Include:outboundmail.blackbaud.net include:mailgun.org ~all |
| TXT | Er8-%4r-Ghy |
| TXT | google-site-verification=Xizom2-s-mpAq8bWP_y_fBTyoOVyWBayOPb8fJEbWXM |
| NS | adam.ns.cloudflare.com |
| NS | hope.ns.cloudflare.com |