explainthatstuff.com

Scanned URL: https://explainthatstuff.com

85

πŸ” SEO Score

11 / 13 checks passed

45

πŸ€– LLM Readiness

5 / 11 checks passed

73

⚑ Performance

8 / 11 checks passed

πŸ“ Extracted Page Tags
Title Tag
Explain that Stuff
Meta Description
A collection of FREE, easy-to-understand science, technology, and how-it-works articles for the whole family!
H1 Heading
The FREE science and technology book
Canonical URL
https://www.explainthatstuff.com/
πŸ” SEO Audit
85/100
❌ Title Tag
Length: 18 chars (Ideal: 30-60).
βœ… Meta Description
Length: 109 chars (Ideal: 50-160).
βœ… H1 Tag
Found 1 H1 tags. Exactly 1 is recommended.
βœ… Canonical URL
Canonical URL is set.
βœ… Open Graph Tags
Found 6 OG properties (4+ recommended).
βœ… Indexability
Page allows indexing.
βœ… Mobile Viewport
Viewport meta tag present.
βœ… Image Alt Text
0 of 45 images missing alt.
❌ Sitemap
No sitemap found in robots.txt.
βœ… Heading Hierarchy
H1 and H2 structure detected.
βœ… Internal Links
Found 8 internal links.
βœ… HSTS Security
HSTS header present.
βœ… HTTPS
Loads securely over HTTPS.
πŸ€– LLMO
45/100
βœ… Structured Data (JSON-LD)
Found 2 JSON-LD blocks.
βœ… Schema Entities
Types: 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.
❌ Breadcrumb Schema
Missing BreadcrumbList.
βœ… AI Crawler Access
AI agents not blocked.
❌ Language Declaration
Missing <html> lang attribute.
❌ Semantic Structure
No semantic HTML5 wrappers.
❌ Entity Verification Links
No entity validation links.
⚑ Performance
73/100
Network Waterfall (Total: 1035ms)
  • DNS: 253ms
  • Connect: 264ms
  • TTFB: 417ms
  • Download: 618ms
βœ… Time to First Byte (TTFB)
TTFB: 417ms (Target: < 600ms).
βœ… HTML Payload Size
Raw HTML: 16.8KB (Target: < 150KB).
βœ… Text Compression
Compression enabled (gzip).
βœ… Cache Policies
Cache-Control headers set.
❌ CDN Usage
No CDN headers found.
βœ… Secure Delivery (HTTPS)
Served securely.
❌ Modern Protocol
Using HTTP/1.1.
βœ… Native Lazy Loading
Images use loading='lazy'.
❌ Minified Assets
No minified assets linked.
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
E-Commerce
Magento
Infrastructure & CDN
ApachePHP
πŸ“‹ WHOIS
Registrar
Tucows Domains Inc.
Registered
2006-04-22
Expires
2027-04-22
Last Updated
2025-07-13
Status
active
Name Servers
ns0.zen.co.uk, ns1.zen.co.uk
πŸ”— DNS Records
TypeValue
A209.142.64.143
MXmail.explainthatstuff.com
TXTe4ghpe2dvbg4gh9qa34kj3fg2l
TXTv=spf1 +mx +a +ip4:209.142.64.143 ~all
NSns1.zen.co.uk
NSns0.zen.co.uk

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