83
/ 100
A
Great
Overall Domain Score
SEO 85 · LLM 82 · Perf 82
85
π SEO Score
11 / 13 checks passed
82
π€ LLM Readiness
9 / 11 checks passed
82
β‘ Performance
9 / 11 checks passed
π Extracted Page Tags
Title Tag
James Webb Space Telescope - NASA Science
Meta Description
Webb is the premier observatory of the next decade, serving thousands of astronomers worldwide. It studies every phase in the history of our Universe.
H1 Heading
James Webb Space Telescope
Canonical URL
https://science.nasa.gov/mission/webb/
π SEO Audit
85/100β
Title Tag
Length: 41 chars (Ideal: 30-60).
β
Meta Description
Length: 150 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 13 OG properties (4+ recommended).
β
Indexability
Page allows indexing.
β
Mobile Viewport
Viewport meta tag present.
β Image Alt Text
30 of 83 images missing alt.
β Sitemap
No sitemap found in robots.txt.
β
Heading Hierarchy
H1 and H2 structure detected.
β
Internal Links
Found 1 internal links.
β
HSTS Security
HSTS header present.
β
HTTPS
Loads securely over HTTPS.
π€ LLMO
82/100β
Structured Data (JSON-LD)
Found 2 JSON-LD blocks.
β
Schema Entities
Types: organization, website, imageobject, webpage, person, article, newsarticle
β FAQ Schema
Missing FAQ schema.
β
Contextual Summary
Description provides good AI context.
β
E-E-A-T (Author)
Author identity found.
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
82/100Network Waterfall (Total: 864ms)
- DNS: 0ms
- Connect: 0ms
- TTFB: 9ms
- Download: 855ms
β
Time to First Byte (TTFB)
TTFB: 9ms (Target: < 600ms).
β
HTML Payload Size
Raw HTML: 56.3KB (Target: < 150KB).
β
Text Compression
Compression enabled (gzip).
β
Cache Policies
Cache-Control headers set.
β CDN Usage
No CDN headers found.
β
Secure Delivery (HTTPS)
Served securely.
β Modern Protocol
Using HTTP/1.1.
β
Native Lazy Loading
Images use loading='lazy'.
β
Minified Assets
Minified .js/.css referenced.
β
Preload / Preconnect Hints
Resource hints found.
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
ReactjQuery
Infrastructure & CDN
Nginx
π WHOIS
Registrar
Amazon Registrar, Inc.
Expires
2027-01-28
Registered
2008-01-28
Last Updated
2025-12-29
Status
client delete prohibited, client transfer prohibited, client update prohibited
Name Servers
ns-1055.awsdns-03.org, ns-1567.awsdns-03.co.uk, ns-351.awsdns-43.com, ns-716.awsdns-25.net
π DNS Records
| Type | Value |
|---|---|
| A | 192.0.66.161 |
| TXT | google-site-verification=fR9lTj0cCldTf11xwhusPKPdyQ_EDnrTgDopScmVWtE |
| NS | ns-351.awsdns-43.com |
| NS | ns-716.awsdns-25.net |
| NS | ns-1055.awsdns-03.org |
| NS | ns-1567.awsdns-03.co.uk |