61
/ 100
C
Average
Overall Domain Score
SEO 85 · LLM 36 · Perf 55
85
π SEO Score
11 / 13 checks passed
36
π€ LLM Readiness
4 / 11 checks passed
55
β‘ Performance
6 / 11 checks passed
π Extracted Page Tags
Title Tag
Great Internet Mersenne Prime Search - PrimeNet
Meta Description
Great Internet Mersenne Prime Search - Finding world record primes since 1996. GIMPS is an organized search for Mersenne prime numbers using provided free software.
H1 Heading
2136279841-1 is the New Largest Known Prime Number
Canonical URL
https://www.mersenne.org/
π SEO Audit
85/100β
Title Tag
Length: 47 chars (Ideal: 30-60).
β Meta Description
Length: 165 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 0 OG properties (4+ recommended).
β
Indexability
Page allows indexing.
β
Mobile Viewport
Viewport meta tag present.
β
Image Alt Text
0 of 6 images missing alt.
β
Sitemap
Sitemap declared.
β
Heading Hierarchy
H1 and H2 structure detected.
β
Internal Links
Found 82 internal links.
β
HSTS Security
HSTS header present.
β
HTTPS
Loads securely over HTTPS.
π€ LLMO
36/100β Structured Data (JSON-LD)
No JSON-LD found.
β Schema Entities
No schema entities.
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
Missing Organization schema.
β Breadcrumb Schema
Missing BreadcrumbList.
β
AI Crawler Access
AI agents not blocked.
β
Language Declaration
Language set to 'en'.
β
Semantic Structure
Uses <main> or <article>.
β Entity Verification Links
No entity validation links.
β‘ Performance
55/100Network Waterfall (Total: 855ms)
- DNS: 124ms
- Connect: 195ms
- TTFB: 438ms
- Download: 417ms
β
Time to First Byte (TTFB)
TTFB: 438ms (Target: < 600ms).
β
HTML Payload Size
Raw HTML: 8.9KB (Target: < 150KB).
β
Text Compression
Compression enabled (gzip).
β Cache Policies
Missing Cache-Control headers.
β CDN Usage
No CDN headers found.
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
E-Commerce
Magento
Analytics & Tracking
Google AnalyticsGoogle Tag Manager
JavaScript
jQuery
Infrastructure & CDN
PHP
π WHOIS
Registrar
GoDaddy.com, LLC
Expires
2026-12-02
Registered
1996-12-03
Last Updated
2024-06-07
Status
client delete prohibited, client renew prohibited, client transfer prohibited, client update prohibited
Name Servers
ns17.domaincontrol.com, ns18.domaincontrol.com
π DNS Records
| Type | Value |
|---|---|
| A | 209.147.127.187 |
| MX | mx1.forwardemail.net |
| MX | mx2.forwardemail.net |
| TXT | v=spf1 a mx ip4:209.147.127.187 ip4:162.212.57.131 include:spf.forwardemail.net include:_spf.google.com ~all |
| TXT | forward-email=primenet:woltman@alum.mit.edu |
| TXT | NETORGFT10742940.onmicrosoft.com |
| NS | ns18.domaincontrol.com |
| NS | ns17.domaincontrol.com |