simonsfoundation.org
Scanned URL: https://simonsfoundation.org
📅 Scan completed: April 11, 2026 at 8:40 PM
75
/ 100
B
Good
Overall Domain Score
SEO 77 · LLM 73 · Perf 73
77
π SEO Score
10 / 13 checks passed
73
π€ LLM Readiness
8 / 11 checks passed
73
β‘ Performance
8 / 11 checks passed
π Extracted Page Tags
Title Tag
Advancing Research in Basic Science and Mathematics | Simons Foundation
Meta Description
The Simons Foundationβs mission is to advance the frontiers of research in mathematics and the basic sciences. We sponsor a range of programs that aim to promote a deeper understanding of our world.
H1 Heading
The Power of the Sun
Canonical URL
https://www.simonsfoundation.org/
π SEO Audit
77/100β Title Tag
Length: 71 chars (Ideal: 30-60).
β Meta Description
Length: 198 chars (Ideal: 50-160).
β
H1 Tag
Found 1 H1 tags. Exactly 1 is recommended.
β
Canonical URL
Canonical URL is set.
β
Open Graph Tags
Found 10 OG properties (4+ recommended).
β
Indexability
Page allows indexing.
β
Mobile Viewport
Viewport meta tag present.
β Image Alt Text
2 of 11 images missing alt.
β
Sitemap
Sitemap declared.
β
Heading Hierarchy
H1 and H2 structure detected.
β
Internal Links
Found 381 internal links.
β
HSTS Security
HSTS header present.
β
HTTPS
Loads securely over HTTPS.
π€ LLMO
73/100β
Structured Data (JSON-LD)
Found 1 JSON-LD blocks.
β
Schema Entities
Types: website, webpage, organization
β FAQ Schema
Missing FAQ schema.
β
Contextual Summary
Description provides good AI context.
β E-E-A-T (Author)
No author meta or schema.
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
73/100Network Waterfall (Total: 259ms)
- DNS: 124ms
- Connect: 132ms
- TTFB: 185ms
- Download: 74ms
β
Time to First Byte (TTFB)
TTFB: 185ms (Target: < 600ms).
β
HTML Payload Size
Raw HTML: 25KB (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
Missing preload/preconnect hints.
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
Lookup inconclusive β use the Verify link to check manually.
β
Google Safe BrowsingVerify β
No unsafe content found per Google Safe Browsing.
βοΈ Technologies
CMS
WordPress
E-Commerce
Magento
Analytics & Tracking
Google Tag Manager
JavaScript
jQuery
Infrastructure & CDN
Cloudflare
π WHOIS
Registrar
Cloudflare, Inc.
Expires
2027-04-03
Registered
2003-04-03
Last Updated
2026-03-09
Status
client transfer prohibited
Name Servers
gabe.ns.cloudflare.com, kim.ns.cloudflare.com
π DNS Records
| Type | Value |
|---|---|
| A | 52.71.21.243 |
| MX | mxb-00672b01.gslb.pphosted.com |
| MX | mxa-00672b01.gslb.pphosted.com |
| TXT | adobe-idp-site-verification=2b9c017d82c08ecebbdf9da4fcefc51888136210837e7305f7786230c2b17eb3 |
| TXT | apple-domain-verification=vnXk53zBHy5NjsYd |
| TXT | atlassian-domain-verification=JZlHGLd1svD7hYYT93l8KdJ7o2bixNTSG3zsJt+j7gl-TM+dUrb0OJCMCSmn2Fhy |
| TXT | canva-site-verification=nbgNfzcy5vl5D5nWeuutTA |
| TXT | docusign=76a02a30-cfd6-47de-84ad-4d1ff6f17e4f |
| TXT | google-site-verification=Bfs4Lk3MNLR7FpnsgSIOSZN0XwS1BTLNVkayuuA2NAg |
| TXT | google-site-verification=mdqKvZB4DlbxIfZh3EToCqyrKbrAznq4gEN6vbAeeNY |
| TXT | jamf-site-verification=vdKUcUiJKJZL69WRJrl-Mg |
| TXT | slack-domain-verification=hrS6cipVAWE0iK3vBcYQiFNctoY9Hl6Hkl0WppfP |
| TXT | v=spf1 include:_u.simonsfoundation.org._spf.smart.ondmarc.com include:mailgun.org ~all |
| TXT | MS=ms78245095 |
| NS | kim.ns.cloudflare.com |
| NS | gabe.ns.cloudflare.com |