sciencehistory.org

Scanned URL: https://sciencehistory.org

69

πŸ” SEO Score

9 / 13 checks passed

82

πŸ€– LLM Readiness

9 / 11 checks passed

91

⚑ Performance

10 / 11 checks passed

πŸ“ Extracted Page Tags
Title Tag
Science History Institute
Meta Description
The Science History Institute is a free museum and library that collects, preserves, interprets, and shares the stories behind the science.
H1 Heading
None found
Canonical URL
https://www.sciencehistory.org/
πŸ” SEO Audit
69/100
❌ Title Tag
Length: 25 chars (Ideal: 30-60).
βœ… Meta Description
Length: 139 chars (Ideal: 50-160).
❌ H1 Tag
Found 0 H1 tags. Exactly 1 is recommended.
βœ… Canonical URL
Canonical URL is set.
βœ… Open Graph Tags
Found 10 OG properties (4+ recommended).
βœ… Indexability
Page allows indexing.
βœ… Mobile Viewport
Viewport meta tag present.
❌ Image Alt Text
7 of 37 images missing alt.
βœ… Sitemap
Sitemap declared.
❌ Heading Hierarchy
Missing H1 or H2 tags.
βœ… Internal Links
Found 82 internal links.
βœ… HSTS Security
HSTS header present.
βœ… HTTPS
Loads securely over HTTPS.
πŸ€– LLMO
82/100
βœ… Structured Data (JSON-LD)
Found 1 JSON-LD blocks.
βœ… Schema Entities
Types: webpage, imageobject, breadcrumblist, website, organization
❌ FAQ Schema
Missing FAQ schema.
βœ… Contextual Summary
Description provides good AI context.
❌ E-E-A-T (Author)
No author meta or schema.
βœ… Organisation Schema
Business entity defined.
βœ… Breadcrumb Schema
Site architecture is machine-readable.
βœ… AI Crawler Access
AI agents not blocked.
βœ… Language Declaration
Language set to 'en-US'.
βœ… Semantic Structure
Uses <main> or <article>.
βœ… Entity Verification Links
Social/publisher profiles linked.
⚑ Performance
91/100
Network Waterfall (Total: 315ms)
  • DNS: 125ms
  • Connect: 126ms
  • TTFB: 168ms
  • Download: 147ms
βœ… Time to First Byte (TTFB)
TTFB: 168ms (Target: < 600ms).
βœ… HTML Payload Size
Raw HTML: 53.4KB (Target: < 150KB).
βœ… Text Compression
Compression enabled (gzip).
βœ… Cache Policies
Cache-Control headers set.
βœ… CDN Usage
Edge delivery detected.
βœ… Secure Delivery (HTTPS)
Served securely.
❌ Modern Protocol
Using HTTP/1.1.
βœ… Native Lazy Loading
Images use loading='lazy'.
βœ… Minified Assets
Minified .js/.css referenced.
βœ… Preload / Preconnect Hints
Resource hints found.
βœ… Character Set
UTF-8 declared.
πŸ›‘οΈ Security & Blacklist
Clean
βœ… Domain is clean.
βœ… Spamhaus DBLVerify β†—
Lookup inconclusive β€” use the Verify link to check manually.
βœ… SURBLVerify β†—
Not listed β€” no threats detected.
βœ… URIBLVerify β†—
Lookup inconclusive β€” use the Verify link to check manually.
βœ… Google Safe BrowsingVerify β†—
No unsafe content found per Google Safe Browsing.
βš™οΈ Technologies
CMS
WordPress
E-Commerce
Magento
Analytics & Tracking
Google AnalyticsGoogle Tag ManagerHotjarMeta Pixel
Advertising
Microsoft Ads
JavaScript
jQuery
Infrastructure & CDN
Nginx
πŸ“‹ WHOIS
Registrar
GoDaddy.com, LLC
Expires
2027-02-17
Registered
2004-02-17
Last Updated
2025-06-23
Status
client delete prohibited, client renew prohibited, client transfer prohibited, client update prohibited
Name Servers
ns0.dnsmadeeasy.com, ns1.dnsmadeeasy.com, ns2.dnsmadeeasy.com, ns3.dnsmadeeasy.com, ns4.dnsmadeeasy.com
πŸ”— DNS Records
TypeValue
A23.185.0.3
MXsciencehistory.sendio.com
TXTadobe-idp-site-verification=bffb857bd877b4797ad5a4cc3dc2b60b6bc6d355d05d5cae84cc491bd1652534
TXTfacebook-domain-verification=vys7q5knu5z2sydhxv84438za9g5tw
TXTgoogle-site-verification=L2gxPMzL6Sm5hnJvsunByD-tCS-bkxabm3Fyqmd0rTA
TXTVGZzkZTRzEdJcFe+/NuWx7P7MSzJS6Dx1TTarRCl//4kcKfUL8px64wA78W4sCUWIq6ZVuQd0PjzaQFgyUYvCg==
TXT4PZfuGuQxXyNyv/cy1GWA5o4ROfdJ3klMbICg32+gjyaouZktgZBnIja+pP6yeIniAvigeTHYhylHPw1VJRPxg==
TXTv=spf1 include:_s00195855.autospf.email -all
TXTatlassian-domain-verification=hQeaZL8t/dRO3/ZcJHSgogiVnFujBYjFQCTIW3LHGwDswXHTcoILrzPCqhFhAkH6
TXTZOOM_verify_46aHucVqRpWA0caBv_asNA
TXTatlassian-domain-verification=9RtOJL6VzlXxSdRyVhSkLS/N3kI8HL00wS1fEJ1oevurTRSaRiHp9xlbgQ87gleQ
TXTgoogle-site-verification=0Zyvg0PvgEPRrBx3wgB7rJZsB-5xrKAcXr9MEqDgPjE
TXTgoogle-site-verification=ZSZz2Ioe0om1pqN8K0TZ5-cLN6wcgxmdVn-9_ZpN9I8
TXTcanva-site-verification=whHrUl6xvc5IpfaEx0D3zQ
NSns4.dnsmadeeasy.com
NSns3.dnsmadeeasy.com
NSns1.dnsmadeeasy.com
NSns0.dnsmadeeasy.com
NSns2.dnsmadeeasy.com

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