chemspider.com

Scanned URL: https://chemspider.com

📅 Scan completed: April 12, 2026 at 8:33 AM

38
/ 100
F
Poor
Overall Domain Score
SEO 54 · LLM 9 · Perf 45
54

πŸ” SEO Score

7 / 13 checks passed

9

πŸ€– LLM Readiness

1 / 11 checks passed

45

⚑ Performance

5 / 11 checks passed

πŸ“ Extracted Page Tags
Title Tag
ERROR: The request could not be satisfied
Meta Description
None found
H1 Heading
403 ERROR
Canonical URL
None found
πŸ” SEO Audit
54/100
βœ… Title Tag
Length: 41 chars (Ideal: 30-60).
❌ Meta Description
No description found.
βœ… H1 Tag
Found 1 H1 tags. Exactly 1 is recommended.
❌ Canonical URL
Missing canonical tag.
❌ Open Graph Tags
Found 0 OG properties (4+ recommended).
βœ… Indexability
Page allows indexing.
❌ Mobile Viewport
Missing viewport tag.
βœ… Image Alt Text
No images found.
❌ Sitemap
No sitemap found in robots.txt.
βœ… Heading Hierarchy
H1 and H2 structure detected.
❌ Internal Links
Found 0 internal links.
βœ… HSTS Security
HSTS header present.
βœ… HTTPS
Loads securely over HTTPS.
πŸ€– LLMO
9/100
❌ Structured Data (JSON-LD)
No JSON-LD found.
❌ Schema Entities
No schema entities.
❌ FAQ Schema
Missing FAQ schema.
❌ Contextual Summary
Description too short for AI context.
❌ E-E-A-T (Author)
No author meta or schema.
❌ Organisation Schema
Missing Organization schema.
❌ 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
45/100
Network Waterfall (Total: 340ms)
  • DNS: 28ms
  • Connect: 29ms
  • TTFB: 36ms
  • Download: 304ms
βœ… Time to First Byte (TTFB)
TTFB: 36ms (Target: < 600ms).
βœ… HTML Payload Size
Raw HTML: 0.9KB (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.
❌ Native Lazy Loading
No lazy loading detected.
❌ Minified Assets
No minified assets linked.
❌ Preload / Preconnect Hints
Missing preload/preconnect hints.
❌ Character Set
Missing UTF-8 charset.
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.
πŸ“‹ WHOIS
Registrar
DomainSpot LLC
Registered
2006-11-04
Expires
2027-11-04
Last Updated
2025-09-08
Status
client transfer prohibited
Name Servers
a1-90.akam.net, a22-67.akam.net, a28-64.akam.net, a3-65.akam.net, a6-66.akam.net, a7-67.akam.net
πŸ”— DNS Records
TypeValue
A76.223.34.124
A13.248.160.137
MXeu-smtp-inbound-2.mimecast.com
MXeu-smtp-inbound-1.mimecast.com
TXTgoogle-site-verification=Dx2K2U99zQOhg72BNVPX0JCvry2uJPB7LOYdXktnbwI
TXTv=spf1 include:eu._netblocks.mimecast.com ~all
TXT5z5pz87d4c9pklbxl805g2xh2pj5kyrv
TXTg0s4px6dx1bf76jgt7cq6wq33b2zcd10
NSa1-90.akam.net
NSa22-67.akam.net
NSa28-64.akam.net
NSa7-67.akam.net
NSa3-65.akam.net
NSa6-66.akam.net

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