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Domain report

jblearning.com

jblearning.com ranks in the top 0.013% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 27 distinct hosts observed under it.

Explore jblearning.com in the Web Graph

Connectivity

#17,354harmonic-centrality rank
Top percentile
0.013%
Hosts observed
27

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://jblearning.com/ answered with HTTP 200.

DNS records

A
  • 104.18.217.42
  • 104.18.216.42
AAAA
  • 2606:4700::6812:d82a
  • 2606:4700::6812:d92a
MX
  • 0 jblearning-com.mail.protection.outlook.com.
NS
  • cass.ns.cloudflare.com.
  • henry.ns.cloudflare.com.

Live preview

Screenshot of jblearning.com

This site sends "X-Frame-Options: SAMEORIGIN", which blocks embedding it here.

Since jblearning.com can't be embedded live, this is a captured screenshot instead — a snapshot from whenever it was last rendered, not necessarily this exact moment.

Domain registration (WHOIS / RDAP)

RDAP lookup failed (HTTP 429).

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-cache, no-store
Content-Encoding
Not sent

Security

Content-Security-Policy
default-src 'self' blob:;style-src 'self' 'unsafe-inline' 'unsafe-eval' https://fonts.googleapis.com https://nexus.ensighten.com https://tags.srv.stackadapt.com https://use.fontawesome.com;script-src 'self' 'unsafe-inline' 'unsafe-eval' blob: https://bat.bing.com https://cdn.sitesearch360.com https://code.jquery.com https://connect.facebook.net https://googleads.g.doubleclick.net https://live-chat.ps.five9.com https://js.hsadspixel.net https://js.hs-analytics.net https://js.hs-banner.com https://js.hs-scripts.com https://js.hsforms.net https://js.hubspot.com https://js.sitesearch360.com https://js.zi-scripts.com https://kit.fontawesome.com https://nexus.ensighten.com https://player.vimeo.com https://snap.licdn.com https://tags.srv.stackadapt.com https://ws-assets.zoominfo.com https://www.googletagmanager.com https://www.youtube.com *.ceros.site https://www.google.com https://www.gstatic.com;img-src 'self' data: https:;font-src 'self' https://fonts.gstatic.com https://use.fontawesome.com;connect-src 'self' https://ka-f.fontawesome.com https://ad.doubleclick.net https://analytics.google.com https://api.hubapi.com https://app.ps.five9.com https://bat.bing.com https://cdn.sitesearch360.com https://checkout.jblearning.com https://cta-service-cms2.hubspot.com https://ecom.sitesearch360.com https://forms.hsforms.com https://sheets.googleapis.com https://hubspot-forms-static-embed.s3.amazonaws.com https://js.zi-scripts.com https://nexus.ensighten.com https://pagead2.googlesyndication.com https://px.ads.linkedin.com https://static.hsappstatic.net https://stats.g.doubleclick.net https://t.nc0.co https://tags.srv.stackadapt.com https://ws.zoominfo.com https://www.google.com https://www.google-analytics.com https://www.googletagmanager.com;frame-src 'self' https://2491413.hs-sites.com https://checkout.jblearning.com https://forms.hsforms.com https://js.hsforms.net https://live-chat.ps.five9.com https://player.vimeo.com https://scribehow.com *.ceros.site https://view.ceros.com https://www.youtube.com https://www.google.com https://www.gstatic.com;object-src 'none';block-all-mixed-content;form-action 'self' https:;frame-ancestors 'self';, upgrade-insecure-requests
Strict-Transport-Security
max-age=16070400; includeSubDomains
X-Frame-Options
SAMEORIGIN
X-Content-Type-Options
Not sent
Referrer-Policy
Not sent
Permissions-Policy
Not sent

What each security header does

Redirect chain

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

    → https://jblearning.com/

  2. 2.https://jblearning.com/HTTP 301

    → https://www.jblearning.com/

  3. 3.https://www.jblearning.com/HTTP 200

Meta tags

Title
Jones & Bartlett Learning | Learning Resources and Tools
Description
Jones & Bartlett Learning is a leading provider of instructional, assessment, and learning management solutions for the secondary, post-secondary, and professional markets.
Canonical
https://www.jblearning.com
Robots
Not set
Generator
Sitefinity 14.4.8153.0 DX
Open Graph title
Jones & Bartlett Learning | Learning Resources and Tools
Open Graph description
Jones & Bartlett Learning is a leading provider of instructional, assessment, and learning management solutions for the secondary, post-secondary, and professional markets.
Open Graph image
Not set
Open Graph type
website
Twitter card
Not set
Twitter title
Not set
Twitter image
Not set

robots.txt

Disallow rules (User-agent: *)
0
Disallow rules (other agents)
0

Sitemap declared:

  • https://www.jblearning.com/sitemap/sitemap.xml

Technology detected

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

  • Cloudflarecdn

    Server: cloudflare

  • Google Tag Manageranalytics

    Found "googletagmanager.com/gtm.js" in the page's HTML

Related domains

Similar connectivity

Domains ranked just above and below it in the same snapshot.