63
/ 100
C
Average
Overall Domain Score
SEO 62 · LLM 64 · Perf 64
62
π SEO Score
8 / 13 checks passed
64
π€ LLM Readiness
7 / 11 checks passed
64
β‘ Performance
7 / 11 checks passed
π Extracted Page Tags
Title Tag
Home | NERSC
Meta Description
NERSC is the mission computing facility for the DOE Office of Science. Eleven thousand scientists working on hundreds of projects rely on NERSC to power their results.
H1 Heading
AI for Science Program Now Accepting Proposals
Canonical URL
https://www.nersc.gov
π SEO Audit
62/100β Title Tag
Length: 12 chars (Ideal: 30-60).
β Meta Description
Length: 167 chars (Ideal: 50-160).
β H1 Tag
Found 6 H1 tags. Exactly 1 is recommended.
β
Canonical URL
Canonical URL is set.
β
Open Graph Tags
Found 12 OG properties (4+ recommended).
β
Indexability
Page allows indexing.
β
Mobile Viewport
Viewport meta tag present.
β Image Alt Text
19 of 27 images missing alt.
β Sitemap
No sitemap found in robots.txt.
β
Heading Hierarchy
H1 and H2 structure detected.
β
Internal Links
Found 182 internal links.
β
HSTS Security
HSTS header present.
β
HTTPS
Loads securely over HTTPS.
π€ LLMO
64/100β
Structured Data (JSON-LD)
Found 1 JSON-LD blocks.
β
Schema Entities
Types: governmentorganization
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-US'.
β
Semantic Structure
Uses <main> or <article>.
β
Entity Verification Links
Social/publisher profiles linked.
β‘ Performance
64/100Network Waterfall (Total: 807ms)
- DNS: 125ms
- Connect: 133ms
- TTFB: 616ms
- Download: 191ms
β Time to First Byte (TTFB)
TTFB: 616ms (Target: < 600ms).
β
HTML Payload Size
Raw HTML: 12.3KB (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
E-Commerce
Magento
Analytics & Tracking
Google AnalyticsGoogle Tag Manager
JavaScript
jQuery
CSS Frameworks
Bootstrap
Infrastructure & CDN
Cloudflare
π WHOIS
Registrar
get.gov
Registrant Org
REDACTED FOR PRIVACY
Registrant Email
REDACTED FOR PRIVACY
Registered
1997-10-02
Expires
2026-08-27
Last Updated
2026-03-11
Status
server transfer prohibited
Name Servers
adns.lbl.gov, adns1.es.net, adns2.es.net
π DNS Records
| Type | Value |
|---|---|
| A | 142.93.181.71 |
| MX | esa1.nersc.gov |
| MX | esa2.nersc.gov |
| TXT | v=spf1 include:spfint.lbl.gov |
| TXT | google-site-verification=uHvps0-Ph7ysGihmSyW2dWPRUJ48XV6v8wgz5eC3g2o |
| TXT | google-site-verification=sjx2shtW7Z8FFrhBEpU6uHHULvYWosF3ivEOyugcP_0 |
| NS | adns2.es.net |
| NS | adns.lbl.gov |
| NS | adns1.es.net |
⭐ Community Rating
🚘 No ratings yet — be the first to rate this domain!
Rate this domain: