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Domain report

sciencedirect.com

sciencedirect.com ranks in the top 0.000066% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 52 distinct hosts observed under it.

Explore sciencedirect.com in the Web Graph

Connectivity

#88harmonic-centrality rank
Top percentile
0.000066%
Hosts observed
52

From the Common Crawl cc-main-2026-jul-aug-sep hyperlink graph, 133,241,980 domains total. What this rank means

HTTPS reachability

200HTTP status

https://sciencedirect.com/ answered with HTTP 200.

DNS records

A
  • 203.22.241.8
  • 203.22.241.11
  • 203.22.241.10
  • 203.22.241.9
AAAA
No records found.
MX
  • 10 sciencedirect-com.mail.protection.outlook.com.
NS
  • elmo.ns.cloudflare.com.
  • sofia.ns.cloudflare.com.

Live preview

This is a live, sandboxed embed of sciencedirect.com — not a copy. What it shows can change any time the site itself does.

Domain registration (WHOIS / RDAP)

Registrar
SafeNames Ltd.
Registered
1997-03-12
Expires
2031-03-13
Last changed
2025-10-14

Nameservers: ELMO.NS.CLOUDFLARE.COM, SOFIA.NS.CLOUDFLARE.COM

Status: client delete prohibited, client transfer prohibited, client update prohibited

How to read WHOIS and RDAP data

SSL certificate

Certificate Transparency lookup failed (HTTP 429).

How to check when a certificate expires

HTTP & security headers

Response

Server
cloudflare
Content-Type
text/html; charset=utf-8
Cache-Control
no-store, no-cache, max-age=0
Content-Encoding
Not sent

Security

Content-Security-Policy
Not sent
Strict-Transport-Security
max-age=2678400; preload
X-Frame-Options
Not sent
X-Content-Type-Options
nosniff
Referrer-Policy
Not sent
Permissions-Policy
Not sent

What each security header does

Redirect chain

  1. 1.http://sciencedirect.com/HTTP 301

    → https://www.sciencedirect.com/

  2. 2.https://www.sciencedirect.com/HTTP 200

Meta tags

Title
ScienceDirect.com | Science, health and medical journals, full text articles and books.
Description
ScienceDirect is the world's leading source for scientific, technical, and medical research. Explore journals, books and articles.
Canonical
https://www.sciencedirect.com
Robots
INDEX,FOLLOW,NOARCHIVE
Generator
Not set
Open Graph title
Not set
Open Graph description
Not set
Open Graph image
Not set
Open Graph type
Not set
Twitter card
Not set
Twitter title
Not set
Twitter image
Not set

robots.txt

Disallow rules (User-agent: *)
1
Disallow rules (other agents)
313

Sitemaps declared:

  • https://www.sciencedirect.com/sitemap.xml
  • https://www.sciencedirect.com/topics/sitemap-topics.xml
  • https://www.sciencedirect.com/journal/sitemap-0.xml
  • https://www.sciencedirect.com/bookseries/sitemap-0.xml
  • https://www.sciencedirect.com/handbook/sitemap-0.xml
  • https://www.sciencedirect.com/book/sitemap-0.xml
  • https://www.sciencedirect.com/referencework/sitemap-0.xml
  • https://www.sciencedirect.com/browse/sitemap.xml
  • https://www.sciencedirect.com/author/sitemap.xml
  • https://www.sciencedirect.com/science/article/abs/sitemap-0.xml
  • https://www.sciencedirect.com/science/article/abs/sitemap-1.xml
  • https://www.sciencedirect.com/science/article/abs/sitemap-2.xml
  • https://www.sciencedirect.com/science/article/abs/sitemap-3.xml
  • https://www.sciencedirect.com/science/article/abs/sitemap-4.xml
  • https://www.sciencedirect.com/science/article/abs/sitemap-5.xml
  • https://www.sciencedirect.com/science/article/abs/sitemap-6.xml
  • https://www.sciencedirect.com/science/article/abs/sitemap-7.xml
  • https://www.sciencedirect.com/science/article/abs/sitemap-8.xml
  • https://www.sciencedirect.com/science/article/abs/sitemap-9.xml
  • https://www.sciencedirect.com/science/article/abs/sitemap-10.xml
  • https://www.sciencedirect.com/science/article/abs/sitemap-11.xml
  • https://www.sciencedirect.com/science/article/abs/sitemap-12.xml
  • https://www.sciencedirect.com/science/article/abs/sitemap-13.xml
  • https://www.sciencedirect.com/science/article/abs/sitemap-14.xml
  • https://www.sciencedirect.com/science/article/abs/sitemap-15.xml
  • https://www.sciencedirect.com/science/article/abs/sitemap-16.xml
  • https://www.sciencedirect.com/science/article/abs/sitemap-17.xml
  • https://www.sciencedirect.com/science/article/abs/sitemap-18.xml
  • https://www.sciencedirect.com/science/article/abs/sitemap-19.xml
  • https://www.sciencedirect.com/science/article/abs/sitemap-20.xml
  • https://www.sciencedirect.com/science/article/abs/sitemap-21.xml
  • https://www.sciencedirect.com/org/journal/sitemap-0.xml

Technology detected

Best-effort, based on a small set of well-known signals — this may be incomplete.

  • Cloudflarecdn

    Server: cloudflare

  • Cloudflare Bot Managementcdn

    Cookie set: __cf_bm

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